How Much Tax Do You Pay on Options Trading Profit?

Table of Contents

1. Introduction

Purpose

This report provides a comprehensive analysis of the tax implications associated with profits and losses generated from options trading activities undertaken by individual investors. The primary objective is to elucidate the complex tax regulations governing these financial instruments, with a specific focus on the regulatory environments of the United States (US) and Sweden. By examining the core principles and specific rules in these jurisdictions, this analysis aims to equip investors with a clearer understanding of their potential tax liabilities and reporting obligations.

Scope

The scope of this report encompasses the fundamental principles of options taxation, primarily their treatment as capital gains. It delves into the critical impact of holding periods on applicable tax rates, particularly within the US framework, and explores how the duration of option contracts influences tax calculations in Sweden. The analysis further investigates the differential tax treatment applied to various types of options, including standard equity options, index and futures options (such as US Section 1256 contracts), and employee-related stock options (including Swedish Qualified Employee Stock Options – QESOs). A significant portion is dedicated to the treatment of trading losses, covering rules for offsetting gains, limitations on deductions, loss carryover provisions, and specific constraints like the US wash sale and straddle rules, alongside Sweden’s partial deductibility rules for certain instruments. The report provides a detailed examination of the specific tax regulations, capital gains tax rates, and official reporting forms required in the US (IRS) and Sweden (Skatteverket). It also considers how an individual’s overall income level can influence the effective tax rate on options profits within each jurisdiction. Finally, it underscores the importance of adhering to compliance requirements and seeking guidance from official sources and qualified tax professionals.

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Target Audience

This report is intended for individual investors who possess a degree of financial literacy but may not be experts in tax law. It is designed for those actively engaged in, or considering, options trading who require a detailed, practical, and actionable guide to navigate the associated tax implications in the US and Sweden. The style is formal and authoritative, maintaining objectivity and precision while explaining technical concepts clearly.

Disclaimer

The information presented herein is for general informational purposes only and does not constitute personalized tax, legal, or financial advice. Tax laws are complex and subject to change, and their application depends significantly on individual circumstances. Investors should consult with qualified tax professionals familiar with their specific situation and the relevant jurisdictions before making any financial or tax-related decisions.¹ Reliance solely on this report without seeking tailored professional advice is not recommended.

2. Fundamentals of Options Taxation

Capital Gains Treatment

The cornerstone of options taxation in both the United States and Sweden is the treatment of profits derived from trading these instruments primarily as capital gains.³ When an investor sells or closes an option contract for more than its cost basis, the resulting profit is generally subject to capital gains tax. Similarly, losses incurred are typically treated as capital losses, subject to specific rules regarding their deductibility. This capital treatment distinguishes options trading profits from ordinary income sources like salaries, although exceptions exist, particularly concerning certain employee stock options.

Taxable Events

Understanding precisely when a tax liability or a deductible loss arises is crucial. Several distinct events related to an option contract can trigger tax consequences:

Sale/Closing Before Expiration: The most straightforward taxable event occurs when an option holder sells their contract, or an option writer buys back their contract (closing the position), before the expiration date. The difference between the proceeds received (or cost paid to close) and the initial cost basis (premium paid or received) results in a capital gain or loss.³ In Sweden, this closing transaction is referred to as “kvittning” or “nettning”.³
Expiration (Förfall in Sweden):

For the Holder: If an option contract expires worthless (out-of-the-money), the holder realizes a capital loss equal to the premium paid for the option, plus any transaction costs. This loss is generally recognized on the expiration date.³
For the Writer (Utfärdare in Sweden): If an option written expires worthless, the writer retains the premium initially received. This premium is treated as a short-term capital gain in the US, recognized in the year the option expires.¹⁰ In Sweden, the premium received is taxed as capital income upon expiration.³
Exercise/Assignment (Lösen in Sweden): The tax treatment upon exercise differs significantly depending on the type of option (call or put) and the party involved (holder or writer):

Holder Exercises a Call: When the holder exercises a call option to purchase the underlying asset (e.g., stock), this action itself is generally not a taxable event in either jurisdiction. Instead, the premium paid for the call option, along with any transaction costs, is added to the cost basis of the acquired underlying asset. Taxation is deferred until the underlying asset is eventually sold.³
Holder Exercises a Put: When the holder exercises a put option to sell the underlying asset, this is considered a sale of the underlying asset and thus a taxable event. The premium paid for the put option, plus transaction costs, is subtracted from the proceeds received from the sale of the underlying asset when calculating the capital gain or loss on that asset.³
Writer Assigned on a Short Call: When the writer of a call option is assigned, they are obligated to sell the underlying asset. This sale is a taxable event. The premium initially received for writing the call option is added to the proceeds from the sale of the underlying asset, increasing the potential capital gain or decreasing the capital loss on the asset.³
Writer Assigned on a Short Put: When the writer of a put option is assigned, they are obligated to buy the underlying asset. This purchase itself is generally not a taxable event. The premium initially received for writing the put option is subtracted from the cost basis of the acquired underlying asset. This reduced basis will affect the capital gain or loss calculation when the underlying asset is eventually sold.³

Holder vs. Writer Distinction

It is imperative to distinguish between the tax rules applicable to the option holder (buyer) and the option writer (seller or utfärdare). The holder pays a premium for a right, while the writer receives a premium for assuming an obligation.³ Their respective tax consequences upon sale, expiration, or exercise reflect these opposing positions.³ For instance, the expiration of an option results in a loss for the holder but a gain for the writer.

Swedish Specifics: Terminology and Basis Calculation

Swedish tax law uses the term “avyttring” (disposal or divestment) to encompass various events that finalize an option position, including sale (kvittning), cash settlement (kontantavräkning), and expiration (förfall).³ When calculating the cost basis (“omkostnadsbelopp”) for options of the same type and class (“samma slag och sort”), Swedish taxpayers must use the average cost method (“genomsnittsmetoden”). The standard rule (“schablonregeln”), which allows using 20% of the sales price as the cost basis for certain other securities, is explicitly disallowed for options.⁴

The intricate interplay between the type of action taken (selling, expiring, exercising), the role of the participant (holder or writer), and the specific rules of the jurisdiction determines the timing, character, and amount of taxable income or deductible loss. A superficial understanding, merely recognizing a profit or loss, is insufficient for accurate tax compliance. One must analyze the specific transaction pathway to determine the correct tax treatment.

3. Holding Period & Duration: Impact on Tax Rates

The length of time an option is held or the duration specified in its contract plays a significant role in taxation, but its impact differs markedly between the US and Swedish systems.

US: Short-Term vs. Long-Term Capital Gains Rates

In the United States, the holding period is a critical determinant of the tax rate applied to capital gains. The Internal Revenue Service (IRS) distinguishes between:

Short-Term Capital Gains/Losses: Resulting from the sale or disposition of assets held for one year or less.⁷
Long-Term Capital Gains/Losses: Resulting from the sale or disposition of assets held for more than one year.⁷

This distinction applies directly to options contracts themselves if they are sold before expiration. If an option is exercised, the holding period of the underlying stock acquired determines whether the subsequent gain or loss upon selling the stock is short-term or long-term.¹⁰ The holding period for stock acquired via exercising a call option begins the day after the exercise.¹⁰

The tax rate implications are substantial:

Short-term capital gains are taxed at the taxpayer’s ordinary income tax rates, which are progressive and range from 10% to 37% (for 2024/2025), depending on taxable income and filing status. Higher earners may also be subject to the 3.8% Net Investment Income Tax (NIIT).¹⁵
Long-term capital gains benefit from preferential tax rates, which are 0%, 15%, or 20%, based on the taxpayer’s overall taxable income. Most taxpayers fall into the 15% bracket for long-term gains. The NIIT may also apply to long-term gains for high earners.⁷

An important exception exists for option writers. When an option writer closes their position (buys it back) or the option expires worthless, the resulting gain (premium received) or loss is always treated as short-term, regardless of how long the option contract was open.¹⁰

Sweden: Contract Duration and Writer Taxation

Swedish tax law generally does not apply different tax rates based on whether a capital gain is short-term or long-term. Profits from the sale of securities, including options, are typically taxed at a flat capital gains rate of 30% (“inkomst av kapital”).²⁸

However, the contractual duration (“löptid”) of an option – specifically whether its term is one year or less (“kort option”) versus more than one year (“lång option”) – significantly affects the tax calculation and timing for the option writer (“utfärdaren”) only when the option is exercised (“lösen”) ³:

Short Duration (≤ 1 Year): If an option with a duration of one year or less is exercised, the premium received by the writer is always integrated into the capital gains calculation for the underlying asset transaction (added to sales proceeds for a call, reducing basis for a put) in the year of exercise.³
Long Duration (> 1 Year): If an option with a duration longer than one year is exercised:

If the exercise occurs in the same calendar year the option was written, the premium is integrated into the capital gains calculation for the underlying asset, similar to short-duration options.³
If the exercise occurs in a subsequent calendar year, the premium received by the writer is taxed separately as capital income in the year the option was issued. The subsequent sale or purchase of the underlying asset upon exercise is then taxed according to standard capital gains rules, without adjusting for the previously taxed premium.³

Therefore, while the concept of time is relevant in both tax systems, its application and consequences diverge significantly. In the US, the holding period directly dictates the applicable tax rate for the option holder (and for the underlying asset if acquired via exercise), creating a strong incentive to hold assets for over a year. In Sweden, the contractual duration primarily impacts the method and timing of tax calculation for the option writer upon exercise, rather than the tax rate itself. This difference underscores the need for investors operating in both markets to understand the distinct ways time influences tax outcomes.

4. Tax Treatment Across Different Option Types

The tax regulations governing options are not monolithic; they vary considerably based on the specific type of option contract being traded or utilized. Investors must accurately identify the nature of their options to apply the correct tax rules.

Standard Equity Options (Stocks, ETFs)

These are options contracts where the underlying asset is the stock of a specific company or shares of an Exchange Traded Fund (ETF).

United States: Gains and losses from trading standard equity options are subject to the short-term and long-term capital gains rules based on the holding period, as previously described.¹⁰ It is important to note that while options on single stocks or narrow-based ETFs follow these standard rules, options on broad-based stock index ETFs (like SPY, although specifics can vary) might potentially fall under the Section 1256 rules described below.³² Taxpayers should verify the classification of specific ETF options.
Sweden: Options on stocks and ETFs are generally treated as securities (“värdepapper”) and taxed as capital gains (“kapitalvinst”) at the standard 30% rate upon disposal (avyttring).³ If these options are market-listed (“marknadsnoterade”), they are reported in Section A of the K4 form.⁵ Based on the absence of specific limitations for listed stock/index options in the provided materials, losses are likely fully deductible (100%) against relevant capital gains.⁴

Index, Futures, Currency, and Commodity Options

This category includes options contracts based on broader market indices, futures contracts, foreign currencies, or physical commodities.

United States – Section 1256 Contracts: A special set of rules under Internal Revenue Code Section 1256 often applies to certain types of these contracts. Qualifying contracts typically include regulated futures contracts, options on futures, foreign currency contracts traded on regulated exchanges, and options on broad-based stock market indices (e.g., S&P 500 Index options (SPX), VIX options).¹⁰ Non-equity options, including broad-based index options, generally fall under this section.³² Key features include:

60/40 Rule: Regardless of the actual holding period, 60% of the capital gain or loss is treated as long-term, and 40% is treated as short-term.¹⁰ This blended rate is often advantageous compared to the standard short-term rate, especially for frequent traders.
Mark-to-Market Accounting: Contracts held open at the end of the tax year (December 31st) must be treated as if they were sold at their fair market value on that date. This means unrealized gains and losses are recognized annually for tax purposes.¹⁰ The basis is adjusted accordingly for the following year.³⁶
Reporting: Gains and losses from Section 1256 contracts are reported on IRS Form 6781, not typically on Form 8949.³³
Wash Sale Rule Exemption: The wash sale rules generally do not apply to Section 1256 contracts.³⁶ However, straddle rules may still be relevant.¹⁰
Sweden: The tax treatment and reporting vary by the specific type:

Market-Listed Index Options: Reported in K4 Section A, likely taxed at 30% capital gains rate.⁵
Market-Listed Interest Rate Options: Reported in K4 Section C.⁵ For unlisted interest rate options, only 70% of any capital loss is deductible.⁴
Currency Options (Valutaoptioner): Reported in K4 Section C.⁵ Capital losses are only 70% deductible.⁹
Commodity Options (Råvaruoptioner): Reported in K4 Section D.⁵ Capital losses are only 70% deductible.⁹ Skatteverket notes no obligation for financial institutions to provide control data (“Kontrolluppgift”) for these options.⁵
Unlisted Options (General): Reported in K4 Section D (unless currency).⁵

Employee Stock Options (ESOs) and Incentive Plans

These are distinct from options traded on public exchanges and are typically granted by employers as part of compensation packages. Their tax treatment often involves a blend of employment income and capital gains.

United States:

Nonstatutory Stock Options (NSOs): These are the default type if not qualifying as ISOs. The “spread” (the difference between the Fair Market Value (FMV) of the stock and the exercise price) is taxed as ordinary employment income (subject to income and payroll taxes) at the time of exercise.¹⁰ The amount recognized as income is added to the cost basis of the shares. When the shares are later sold, any further appreciation is treated as a capital gain (short-term or long-term depending on the holding period starting from the exercise date).⁴⁰
Incentive Stock Options (ISOs): These offer potentially more favorable tax treatment if specific requirements are met. Generally, there is no regular income tax event at the time of grant or exercise.⁴⁰ However, the spread at exercise is an adjustment item for the Alternative Minimum Tax (AMT), which could trigger AMT liability.¹⁹ If the shares acquired through exercise are held for at least two years from the grant date AND one year from the exercise date (the “holding period requirements”), the entire gain realized upon the eventual sale of the shares is taxed as a long-term capital gain.¹⁰ If these holding periods are not met (a “disqualifying disposition”), the tax treatment reverts partially to NSO-like rules: the spread at exercise (or the actual gain on sale, if lower) is taxed as ordinary income in the year of sale, and any additional gain is capital gain.⁴⁰ Employers issue Form 3921 upon ISO exercise.⁴⁰
Employee Stock Purchase Plans (ESPPs): Allow employees to buy company stock, often at a discount. Taxation depends on the discount and holding periods. Similar to ISOs, meeting holding period requirements can lead to more favorable capital gains treatment, while failing them results in some ordinary income recognition.⁴⁰ Employers issue Form 3922 upon the first transfer of stock acquired via an ESPP.⁴⁰
Sweden:

Personaloptioner (Standard Employee Stock Options): These are typically viewed as a right to acquire shares in the future, linked to continued employment, and are generally not considered transferable securities (“värdepapper”).⁴ The taxable event occurs upon exercise. The spread between the stock’s FMV at exercise and the exercise price paid is taxed as income from employment (“inkomst av tjänst”) at progressive rates.⁴⁴ The employer is liable for social security contributions on this benefit amount.⁴⁵ When the employee subsequently sells the acquired shares, any gain or loss from the exercise date value is treated under standard capital gains rules (30% tax).⁴⁴ Employees are generally required to inform their employer upon exercising these options to facilitate correct payroll reporting.⁴⁹
Kvalificerade Personaloptioner (QESOs – Qualified Employee Stock Options): A special, tax-advantaged regime was introduced in 2018 and expanded in 2022 for certain (typically smaller, younger) companies meeting strict criteria regarding size, age, industry, ownership structure, employee tenure, and option value limits.⁴ If all conditions are met, there is no income tax (tjänst) for the employee, and no social security contributions for the employer, at the time of grant or exercise.⁴⁵ Instead, the entire economic benefit is taxed solely as income from capital (“inkomst av kapital”) when the employee eventually sells the shares acquired through the QESO.⁴⁵ The capital gains tax rate is typically 25% for shares in unlisted companies that often issue QESOs.⁴⁶
Options Qualifying as Securities (e.g., Warrants, Transferable Call Options): If an option received in an employment context is considered a transferable security (“värdepapper”) – meaning it can be freely sold and is not contingent on continued employment – the tax treatment differs significantly. The benefit (FMV of the option less any price paid by the employee) is taxed as income from employment (“tjänst”) at the time the employee acquires the option (at grant).⁴⁵ This taxed benefit amount then forms part of the option’s cost basis. Any subsequent appreciation in the option’s value is taxed as capital gain (kapital) when the option is sold, or if exercised, the basis carries over to the acquired shares, and gain/loss is realized upon the share sale.⁴⁵
Synthetic Options / Stock Appreciation Rights (SARs): These instruments provide cash payments based on stock price appreciation rather than actual shares. Depending on the specific structure (e.g., whether the employee can choose cash or shares, whether the option is transferable), they may be taxed as employment income either at vesting or exercise.⁴

The significant variation in tax rules across option types highlights a critical point: investors and employees cannot apply a one-size-fits-all approach. Misclassifying an option can lead to substantial errors in tax calculation and reporting. The distinction between traded options (primarily capital gains treatment) and employee options (often involving initial ordinary/employment income taxation) is particularly important due to the typically higher rates applied to employment income. Furthermore, specific regimes like the US Section 1256 rules and the Swedish QESO program offer notable tax advantages but come with specific eligibility requirements and unique accounting or reporting procedures. Understanding these nuances is essential for both compliance and strategic financial planning.

5. Navigating Options Trading Losses

Incurring losses is an inherent risk in options trading. Tax systems provide mechanisms to deduct these losses, but the rules governing their utilization are specific and often restrictive.

General Offset Principle

In both the US and Sweden, the primary way to utilize capital losses from options trading is to offset them against capital gains realized within the same tax year.² This netting process reduces the overall taxable capital gain.

United States Specific Loss Rules

The US tax code includes several important rules and limitations regarding capital losses:

Matching Short-Term and Long-Term: Losses must first be used to offset gains of the same character. Short-term capital losses offset short-term capital gains, and long-term capital losses offset long-term capital gains. If a net loss remains in one category, it can then be used to offset net gains in the other category.⁸
Limit on Deduction Against Ordinary Income: If, after offsetting all capital gains, a net capital loss remains, taxpayers can deduct a portion of that loss against their ordinary income (such as wages). However, this deduction is limited to $3,000 per year for individuals and married couples filing jointly, or $1,500 per year for those married filing separately.⁸
Capital Loss Carryover: Any net capital loss exceeding the $3,000 annual deduction limit against ordinary income is not lost. It can be carried forward indefinitely to subsequent tax years. In future years, the carried-over loss retains its original character (short-term or long-term) and can be used to offset capital gains and then up to $3,000 of ordinary income annually until the loss is fully utilized.⁸
Wash Sale Rule (Section 1091): This rule prevents taxpayers from claiming a loss on the sale of a security if they acquire a “substantially identical” security within a 61-day window (30 days before the sale, the day of the sale, and 30 days after the sale). This applies to options as well.¹⁰ If a wash sale occurs, the loss deduction is disallowed for that transaction. Instead, the disallowed loss amount is added to the cost basis of the replacement security, effectively deferring the loss recognition until the replacement security is sold.¹⁰ Notably, the wash sale rule generally does not apply to Section 1256 contracts.³⁶
Straddle Rules (Section 1092): Straddles involve holding offsetting positions (e.g., long and short positions in the same or similar assets, including options) that substantially reduce the risk of loss. Complex rules under Section 1092 generally prevent recognizing a loss on one leg of a straddle before the gain on the offsetting leg is recognized. Losses may be deferred until the offsetting gain position is closed.¹⁰ Section 1256 contracts can be part of “mixed straddles,” which have specific elective treatments.³⁴
Worthless Options and Securities: When an option expires worthless, the loss (equal to the premium paid) is treated as a capital loss occurring on the expiration date.³ If stock acquired via an option later becomes worthless due to events like bankruptcy, a capital loss equal to the adjusted basis can generally be claimed.⁸ Specific guidance may apply to unique situations like losses incurred due to failures of platforms like Celsius or FTX.⁶¹

Sweden Specific Loss Rules

Sweden’s approach to capital losses differs in several key aspects:

Offsetting within the Year: Capital losses (“kapitalförlust”) are primarily used to offset capital gains (“kapitalvinst”) realized within the same tax year.²
No General Carryforward/Carryback: Unlike the US, Sweden generally does not permit the carryforward of standard capital losses to future tax years or carryback to previous years.² Losses not utilized against gains in the year they occur are handled through the deficit reduction mechanism (see below). (Note: The US allows carryback for Section 1256 contract losses specifically ³²).
70% Deductibility Limitation: A significant feature of the Swedish system is that for certain asset classes, only 70% of the calculated capital loss is actually allowed as a deduction against capital gains. This limitation explicitly applies to:

Unlisted interest rate options.⁴
Currency options.⁹
Commodity options.⁹
Cryptocurrencies (taxed as “other assets”).²

Full Deductibility (Implied): For standard market-listed stock options and market-listed index options (reported in K4 Section A), the available guidance does not mention a 70% limitation. This strongly suggests that losses on these instruments are likely fully (100%) deductible against relevant capital gains.³
Deficit Reduction (“Underskott av Kapital”): If, after offsetting allowable capital losses against capital gains, a net capital loss (a deficit, “underskott”) remains for the year, this deficit provides a tax reduction (skattereduktion) against the taxpayer’s other taxes, such as municipal and state income tax, social security contributions, or property tax. The tax reduction is calculated as:

30% of the deficit amount up to SEK 100,000.
21% of the deficit amount exceeding SEK 100,000.² It is crucial to remember that the deficit amount itself is calculated after applying the 70% rule where applicable. For example, a SEK 10,000 loss on currency options only contributes SEK 7,000 (70% of 10,000) to the potential deficit calculation.

The differing approaches to loss utilization create distinct planning considerations. The US system, with its modest $3,000 limit against ordinary income and indefinite carryforward, emphasizes the long-term value of losses primarily for offsetting future capital gains. Taxpayers must navigate the complexities of the wash sale and straddle rules. Sweden’s system, lacking a general carryforward for standard capital losses, places importance on utilizing losses within the tax year. The 70% deductibility rule for specific assets significantly diminishes the tax shield provided by losses on those instruments. However, the deficit reduction mechanism offers a partial, immediate rebate against other taxes for unutilized losses, a feature not directly mirrored in the US system’s limited offset against ordinary income.

6. Jurisdictional Deep Dive: Rates and Reporting

Navigating the tax landscape requires understanding the specific rates, forms, and procedures mandated by the relevant tax authorities – the Internal Revenue Service (IRS) in the US and Skatteverket in Sweden.

United States (Internal Revenue Service – IRS)

Tax Rates (2024 & 2025): US tax rates on options gains depend heavily on the holding period and the taxpayer’s overall income.

Short-Term Capital Gains: Taxed as ordinary income. For 2024 and 2025, there are seven brackets: 10%, 12%, 22%, 24%, 32%, 35%, and 37%. The applicable rate depends on the taxpayer’s filing status (Single, Married Filing Jointly, etc.) and total taxable income.¹⁵
Long-Term Capital Gains: Taxed at preferential rates of 0%, 15%, or 20%. The specific rate depends on taxable income thresholds that vary by filing status and are adjusted annually for inflation.⁷ See Table 1 below for 2024 and 2025 thresholds.
Section 1256 Contracts: Subject to the blended 60% long-term / 40% short-term rate structure, irrespective of holding period.¹⁰
Net Investment Income Tax (NIIT): An additional 3.8% tax applies to the lesser of net investment income or the excess of modified adjusted gross income (MAGI) over certain thresholds ($200,000 for Single, $250,000 for Married Filing Jointly for 2024/2025). This tax applies to capital gains from options.¹⁶
Special Rates: Higher maximum rates apply to long-term gains from collectibles (28%), certain qualified small business stock (28%), and unrecaptured Section 1250 gain on real estate (25%).¹⁸

Table 1: US Long-Term Capital Gains Tax Rates (Tax Years 2024 & 2025)

Filing Status	0% Rate Income Threshold	15% Rate Income Threshold	20% Rate Income Threshold
2024 (Filed in 2025)
Single	Up to $47,025	$47,026 to $518,900	Over $518,900
Married Filing Jointly	Up to $94,050	$94,051 to $583,750	Over $583,750
Married Filing Separately	Up to $47,025	$47,026 to $291,850	Over $291,850
Head of Household	Up to $63,000	$63,001 to $551,350	Over $551,350
2025 (Filed in 2026)
Single	Up to $48,350	$48,351 to $533,400	Over $533,400
Married Filing Jointly	Up to $96,700	$96,701 to $600,050	Over $600,050
Married Filing Separately	Up to $48,350	$48,351 to $300,000	Over $300,000
Head of Household	Up to $64,750	$64,751 to $566,700	Over $566,700

*Source: [15, 21, 22, 24, 25, 62]*
*Note: Short-term capital gains are taxed at ordinary income rates. The 3.8% Net Investment Income Tax may apply in addition to the rates above for higher-income individuals.*

Reporting Forms: Accurate reporting requires several key forms:

Form 1099-B (Proceeds From Broker and Barter Exchange Transactions): Provided by brokers, detailing sales transactions, proceeds, dates, and often cost basis information for covered securities.⁶³ Taxpayers use this form to reconcile their reporting.
Form 8949 (Sales and Other Dispositions of Capital Assets): This form is used to report the details of each individual capital asset transaction. It serves to reconcile the amounts reported on Form 1099-B with the taxpayer’s records and report any adjustments (like wash sale losses) or transactions not reported on a 1099-B. It is divided into Part I (Short-Term) and Part II (Long-Term), with checkboxes (A, B, C for short-term; D, E, F for long-term) indicating whether basis was reported to the IRS and whether the transaction was reported on a 1099-B.⁸ Multiple Form 8949 pages may be needed.
Schedule D (Form 1040 – Capital Gains and Losses): This form summarizes the totals from all Form 8949 pages. It also reports other capital gain items like capital gain distributions from mutual funds, carryover losses from prior years, and gains/losses from other forms (like Form 6781). The net capital gain or loss calculated on Schedule D flows to the main Form 1040.⁸
Form 6781 (Gains and Losses From Section 1256 Contracts and Straddles): This specialized form is required for reporting gains and losses from Section 1256 contracts (using the mark-to-market and 60/40 rules) and recognized gains/losses related to straddle positions.³²
Other Forms: Depending on circumstances, Form 4952 (Investment Interest Expense Deduction) ³⁵ or Form 6251 (Alternative Minimum Tax – Individuals) ³⁹ might be necessary.
Key IRS Resources: Taxpayers should refer to official IRS guidance:

Publication 550: Investment Income and Expenses ¹⁰
Publication 544: Sales and Other Dispositions of Assets ⁶
Publication 525: Taxable and Nontaxable Income ⁴⁰
Instructions for Schedule D (Form 1040), Form 8949, and Form 6781.

Sweden (Skatteverket – Swedish Tax Agency)

Tax Rates: Sweden generally employs a flatter rate structure for capital income but distinguishes it from employment income.

Income from Capital (Inkomst av Kapital): Profits from selling options and other securities are typically taxed at a flat rate of 30%.²⁸ This rate applies regardless of the holding period.
Income from Employment (Inkomst av Tjänst): Benefits derived from certain employee options (standard “Personaloptioner” at exercise, or options qualifying as securities at grant) are taxed as employment income.⁴⁴ This income is subject to progressive municipal tax rates (around 32% on average, varies by location) and, for higher earners, state income tax (currently 20% on income above a certain threshold).⁷¹ Employer social security contributions (approx. 31.42%) also apply.⁴⁵
Qualified Employee Stock Options (QESOs): Under this special regime, the benefit is not taxed as employment income. Instead, the entire gain is taxed under the Kapital rules (typically 25% for unlisted shares) only when the acquired shares are eventually sold.⁴⁵
Reporting Procedures: Reporting is done via the annual income tax return (“Inkomstdeklaration 1”).
K4 Form (Bilaga K4 – Värdepapper m.m.): This is the essential appendix for reporting gains and losses on securities, including options.⁵ It must be filed alongside the main tax return. The K4 form categorizes assets into specific sections:
Table 2: Swedish K4 Form Reporting Guide for Options

Option Type	K4 Section	Key Tax Treatment Note
Market-Listed Stock Options	Section A	30% Capital Gain; Loss likely 100% deductible
Market-Listed Index Options	Section A	30% Capital Gain; Loss likely 100% deductible
Market-Listed Interest Rate Options	Section C	30% Capital Gain; Loss likely 100% deductible
Unlisted Interest Rate Options	Section D	30% Capital Gain; Loss 70% deductible ⁴
Currency Options (Listed or Unlisted)	Section C	30% Capital Gain; Loss 70% deductible ⁹
Commodity Options (Listed or Unlisted)	Section D	30% Capital Gain; Loss 70% deductible ⁹
Other Unlisted Options (Non-Currency)	Section D	30% Capital Gain; Loss deductibility depends on specifics

*Source: [4, 5, 9, 30]*

* **E-tjänst (E-service):** Skatteverket provides an online portal for filing tax returns (“Inkomstdeklaration 1” including K4). This service often pre-fills some transaction data received from Swedish financial institutions via “Kontrolluppgift” statements. The system can automatically calculate gains/losses (using the average cost method) and transfer totals to the main declaration.[5, 29] The standard filing deadline is May 2nd following the tax year.[13, 29, 30, 43, 56, 72, 73]
* **Kontrolluppgift:** These are information reports sent by banks and brokers to Skatteverket (and often to the taxpayer) detailing transactions like option issuance or disposals.[5, 14] However, taxpayers are ultimately responsible for ensuring correct and complete reporting on the K4 form.
* **Självrättelse (Voluntary Correction):** If a taxpayer discovers errors or omissions in previous tax returns, they can submit a voluntary correction to Skatteverket, potentially avoiding penalties.[29]

Special Tax Regimes:
Investeringssparkonto (ISK – Investment Savings Account): This popular account type offers significant tax simplification for eligible assets, which can include standard exchange-traded options.⁷⁴ Instead of taxing actual capital gains and dividends, ISK assets are subject to an annual standardized tax (“schablonskatt”). This tax is calculated based on the account’s capital base (market value plus deposits) multiplied by the government borrowing rate plus a small percentage (currently 1%). This amount is then taxed as income from capital at the 30% rate.³¹ For highly profitable options trading, the ISK can result in substantially lower taxes compared to standard capital gains taxation, as the tax is levied irrespective of actual profits or losses within the account.³¹
Key Skatteverket Resources: Official guidance can be found on the Skatteverket website (skatteverket.se). Relevant sections include information on “Värdepapper” (Securities), “Derivat” (Derivatives), “Optioner” (Options), the K4 form, and the ISK. The “Rättslig vägledning” (Legal Guidance) section provides in-depth legal interpretations.³ Skatteverket also publishes downloadable brochures, such as SKV 380 covering options and futures.³

The comparison reveals different structural approaches to reporting. The US system, heavily reliant on Form 1099-B for reconciliation, organizes reporting primarily around the short-term versus long-term holding period distinction and carves out exceptions like Section 1256 contracts onto separate forms. Sweden’s K4 form, while utilizing broker data where available, structures reporting based on the type of asset and its listing status, directly linking certain categories (like currency or commodity options) to specific loss deductibility rules. Furthermore, the Swedish ISK presents a fundamentally alternative tax calculation method, moving away from transaction-based capital gains tax entirely, a structure without a direct equivalent for standard brokerage accounts in the US.

7. The Role of Overall Income

An individual’s overall income level plays a role in determining the final tax burden on options trading profits, although the mechanisms differ between the US and Sweden.

US Impact

In the United States, overall taxable income is a primary factor influencing the tax rate applied to options gains:

Direct Rate Determination: Both short-term and long-term capital gains tax rates are directly tied to income brackets. Short-term gains are added to other ordinary income and taxed at the marginal rate corresponding to the taxpayer’s total taxable income (10% to 37%).¹⁵ Long-term gains fall into the 0%, 15%, or 20% brackets based on specific income thresholds that vary with filing status.¹⁵ Consequently, higher overall income pushes options gains into higher tax brackets, increasing the effective tax rate.
Net Investment Income Tax (NIIT): Higher income levels can trigger the additional 3.8% NIIT. This tax applies to net investment income (including options gains) for taxpayers whose modified adjusted gross income exceeds thresholds ($200,000 for Single, $250,000 for Married Filing Jointly).¹⁶ This adds another layer of taxation directly linked to income level.

Swedish Impact

In Sweden, the relationship between overall income and the tax rate on standard options gains is less direct, but income level remains relevant in specific contexts:

Flat Capital Gains Rate: The standard 30% tax rate applied to capital gains (“inkomst av kapital”) from traded options is generally flat and does not vary based on the taxpayer’s total income.²⁸ Whether an individual earns SEK 300,000 or SEK 3,000,000, the rate on their net capital gains from standard options trading remains 30%.
Employment Income Taxation: For employee options taxed as income from employment (“inkomst av tjänst”), the individual’s overall income is highly relevant. This benefit income is added to other employment earnings and taxed at progressive municipal and state income tax rates. Higher overall income pushes this benefit into higher marginal tax brackets.⁴⁴
Value of Deficit Reduction: While the capital gains rate is flat, the value derived from a net capital loss deficit (“underskott”) is linked to income taxes. The deficit provides a tax reduction (30% or 21%) against taxes owed on other income (like employment income).² Therefore, a taxpayer with higher overall income and thus higher income tax liability potentially derives a greater absolute monetary benefit from the deficit reduction compared to someone with lower income taxes payable.

In essence, the US tax system exhibits a more direct and graduated sensitivity to overall income levels when taxing options gains, affecting both short-term and long-term rates as well as triggering potential surtaxes like the NIIT. Sweden’s system imposes a flat rate on most capital gains from traded options, making overall income less relevant for that specific calculation. However, income level significantly impacts the taxation of employee options treated as employment benefits and influences the practical value of utilizing capital loss deficits against other tax liabilities.

8. Conclusion and Recommendations

The taxation of options trading profits and losses presents considerable complexity for individual investors, particularly when navigating the distinct regulatory landscapes of the United States and Sweden. This analysis highlights that while both jurisdictions primarily treat gains as capital gains, significant divergences exist in rate structures, the implications of holding periods versus contract duration, the treatment of specific option types (notably US Section 1256 contracts and Swedish QESOs), rules governing loss utilization, and reporting procedures.

Key complexities include the US distinction between short-term (taxed as ordinary income) and long-term (preferential rates) capital gains, a concept largely absent in Sweden’s flat 30% capital gains tax regime for traded options. The US Section 1256 rules offer a unique 60/40 blended rate and mark-to-market accounting for certain contracts, while Sweden’s QESO regime provides substantial tax advantages for qualifying employee options by deferring and recharacterizing tax liability to the capital income category upon final share sale. Loss treatment also differs markedly: the US allows a limited deduction against ordinary income ($3,000/year) and indefinite carryforward, constrained by wash sale and straddle rules. Sweden generally disallows carryforward for standard capital losses but offers a deficit reduction against other taxes, while imposing a 70% deductibility limit on losses from specific instruments like currency and commodity options. Furthermore, the Swedish ISK offers a fundamentally different, standardized taxation method that bypasses capital gains tax altogether for eligible assets held within the account.

Given these intricacies, several recommendations are paramount for investors engaging in options trading:

Meticulous Record-Keeping: Maintaining detailed and accurate records is non-negotiable. This includes tracking all transaction dates (purchase, sale, exercise, expiration), prices, premiums paid or received, commissions and fees, adjustments to basis (e.g., from option premiums upon exercise), and specific details identifying the type of option and underlying asset.¹¹ Relying solely on broker statements (like Form 1099-B or Kontrolluppgift) may be insufficient, as adjustments or specific categorizations required by tax authorities might be necessary. Accurate basis tracking is crucial for correct gain/loss calculation.
Consult Official Resources: Investors should familiarize themselves with the primary guidance provided by the relevant tax authorities. Key resources include:

IRS: Publication 550 (Investment Income and Expenses), Publication 544 (Sales and Other Dispositions of Assets), Publication 525 (Taxable and Nontaxable Income), and the instructions for Forms 1040 (Schedule D), 8949, and 6781.⁶
Skatteverket: The official website (skatteverket.se), specific guidance pages on Options (Optioner), Derivatives (Derivat), the K4 form, Investment Savings Accounts (ISK), the detailed legal guidance (Rättslig vägledning), and official brochures like SKV 380.³

Seek Qualified Professional Advice: Due to the complexity of options taxation and the significant differences between jurisdictions, consulting with qualified tax professionals is strongly recommended.¹ A professional advisor experienced in the taxation of financial instruments and familiar with the specific rules of the investor’s country (or countries) of tax residence can provide personalized guidance based on individual circumstances, including income level, residency status, the specific types of options traded, and interactions with other investments. They can assist with accurate reporting, compliance, and strategic tax planning, such as optimizing loss utilization or evaluating the benefits of specific account types like the Swedish ISK.

In conclusion, while options trading can offer significant financial opportunities, it brings corresponding tax obligations that demand careful attention. Proactive tax planning, diligent record-keeping, and a thorough understanding of the applicable rules in the relevant jurisdiction are essential for ensuring compliance and potentially optimizing after-tax investment returns. Given the nuances and potential pitfalls, professional tax advice should be considered an integral part of an options trading strategy.

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Works cited

RSU vesting period split between the US and Sweden – TurboTax Support – Intuit, accessed on April 20, 2025, https://ttlc.intuit.com/community/investments-and-rental-properties/discussion/rsu-vesting-period-split-between-the-us-and-sweden/00/2041335
Guide to crypto tax losses in Sweden (2024) – Divly, accessed on April 20, 2025, https://divly.com/en/guides/crypto-losses-sweden
38 Optioner och terminer – Skatteverket, accessed on April 20, 2025, https://skatteverket.se/download/18.3cb5994b10aa9624273800082/
Beskattning av optioner | Rättslig vägledning | Skatteverket, accessed on April 20, 2025, https://www4.skatteverket.se/rattsligvagledning/edition/2025.1/2823.html
Optioner | Skatteverket, accessed on April 20, 2025, https://skatteverket.se/privat/skatter/vardepapper/omovrigavardepapper/derivat/optioner.4.233f91f71260075abe880009571.html
Publication 544 (2024), Sales and Other Dispositions of Assets | Internal Revenue Service, accessed on April 20, 2025, https://www.irs.gov/publications/p544
Topic no. 409, Capital gains and losses | Internal Revenue Service, accessed on April 20, 2025, https://www.irs.gov/taxtopics/tc409
How to Deduct Stock Losses From Your Tax Bill – Investopedia, accessed on April 20, 2025, https://www.investopedia.com/articles/personal-finance/100515/heres-how-deduct-your-stock-losses-your-tax-bill.asp
Optioner och terminer – Skatteverket, accessed on April 20, 2025, https://www.skatteverket.se/download/18.18e1b10334ebe8bc8000115131/kapitel_38.pdf
How Are Options Taxed? | Charles Schwab, accessed on April 20, 2025, https://www.schwab.com/learn/story/how-are-options-taxed
Options – Tax Portal FAQ, accessed on April 20, 2025, https://www.taxportalfaq.com/options
Teckningsoptioner | Skatteverket, accessed on April 20, 2025, https://www.skatteverket.se/privat/skatter/arbeteochinkomst/formaner/incitamentsprogram/teckningsoptioner.4.69ef368911e1304a625800018214.html
Köpoptioner | Skatteverket, accessed on April 20, 2025, https://www.skatteverket.se/privat/skatter/arbeteochinkomst/formaner/incitamentsprogram/kopoptioner.4.69ef368911e1304a625800015852.html
Optioner, terminer och andra derivat – Rättslig vägledning – Skatteverket, accessed on April 20, 2025, https://www4.skatteverket.se/rattsligvagledning/edition/2025.1/325695.html
2024-2025 Long-Term Capital Gains Tax Rates | Bankrate, accessed on April 20, 2025, https://www.bankrate.com/investing/long-term-capital-gains-tax/
2024 and 2025 capital gains tax rates – Fidelity Investments, accessed on April 20, 2025, https://www.fidelity.com/learning-center/smart-money/capital-gains-tax-rates
A Guide to the Capital Gains Tax Rate: Short-term vs. Long-term Capital Gains Taxes – TurboTax Tax Tips & Videos, accessed on April 20, 2025, https://turbotax.intuit.com/tax-tips/investments-and-taxes/guide-to-short-term-vs-long-term-capital-gains-taxes-brokerage-accounts-etc/L7KCu9etn
Long-Term vs. Short-Term Capital Gains – Investopedia, accessed on April 20, 2025, https://www.investopedia.com/articles/personal-finance/101515/comparing-longterm-vs-shortterm-capital-gain-tax-rates.asp
Short vs. Long-Term Capital Gains & Tax Rates – Carta, accessed on April 20, 2025, https://carta.com/learn/equity/stock-options/taxes/capital-gains/
Capital Gains and Losses – TurboTax Tax Tips & Videos – Intuit, accessed on April 20, 2025, https://turbotax.intuit.com/tax-tips/investments-and-taxes/capital-gains-and-losses/L7GF1ouP8
2024 Tax Brackets | 2024-2025 Federal Tax Brackets & Rates – Tax Foundation, accessed on April 20, 2025, https://taxfoundation.org/data/all/federal/2024-tax-brackets/
What are the 2024-2025 tax brackets and federal tax rates? – H&R Block, accessed on April 20, 2025, https://www.hrblock.com/tax-center/irs/tax-brackets-and-rates/what-are-the-tax-brackets/
Understanding the New 2025 Tax Policies: Capital Gains Tax Rates and Rules, accessed on April 20, 2025, https://www.bankerslife.com/insights/personal-finance/understanding-the-new-2025-tax-policies-capital-gains-tax-rates-and-rules/
State-by-State Capital Gains Tax Rates for 2025 – The Entrust Group, accessed on April 20, 2025, https://www.theentrustgroup.com/blog/state-capital-gains-tax
Capital Gains Tax Rates and Potential Changes in 2025 – Investopedia, accessed on April 20, 2025, https://www.investopedia.com/taxes/capital-gains-tax-101/
Are Options Trading Losses Tax-Deductible? – Gallet Dreyer & Berkey, LLP, accessed on April 20, 2025, https://www.gdblaw.com/resources/are-options-trading-losses-tax-deductible
Are Options Trading Losses Tax-Deductible? | Nasdaq, accessed on April 20, 2025, https://www.nasdaq.com/articles/are-options-trading-losses-tax-deductible
Sale of shares and other securities – Skatteverket, accessed on April 20, 2025, https://www.skatteverket.se/servicelankar/otherlanguages/inenglishengelska/individualsandemployees/declaringtaxesforindividuals/howtofileyourtaxreturn/thecontentsoftheincometaxreturn/saleofsharesothersecurities.4.7be5268414bea064694c7b5.html
Guide to declaring crypto taxes in Sweden (2025) – Divly, accessed on April 20, 2025, https://divly.com/en/guides/sweden
How forex trading is taxed in Sweden | Scandinavian Capital Markets, accessed on April 20, 2025, https://scandinavianmarkets.com/2023/09/23/how-forex-trading-is-taxed-in-sweden/
How Does Capital Gains Tax Work in Sweden? – eToro, accessed on April 20, 2025, https://www.etoro.com/investing/capital-gains-tax-sweden/
FUTURES & SECTION 1256 CONTRACTS – TradeLog, accessed on April 20, 2025, https://tradelog.com/education/futures-section-1256-contracts/
Section 1256 Contract: Definition and Tax Rules – Investopedia, accessed on April 20, 2025, https://www.investopedia.com/terms/s/section-1256-contract.asp
Form 6781 – Contracts and Straddles – HELP CENTER, accessed on April 20, 2025, https://taxpros.zohodesk.com/portal/en/kb/articles/form-6781-contracts-and-straddles
Publication 550 (2024), Investment Income and Expenses | Internal Revenue Service, accessed on April 20, 2025, https://www.irs.gov/publications/p550
Do 1256 contracts offer taxpayers favorable tax treatment?, accessed on April 20, 2025, https://www.aifundservices.com/1256-contracts-tax-treatment
Gains and Losses From Section 1256 Contracts and Straddles – IRS, accessed on April 20, 2025, https://www.irs.gov/pub/irs-access/f6781_accessible.pdf
Gains and Losses From Section 1256 Contracts and Straddles – Reginfo.gov, accessed on April 20, 2025, https://www.reginfo.gov/public/do/DownloadDocument?objectID=1314001
About Publication 550, Investment Income and Expenses | Internal Revenue Service, accessed on April 20, 2025, https://www.irs.gov/forms-pubs/about-publication-550
Topic no. 427, Stock options | Internal Revenue Service, accessed on April 20, 2025, https://www.irs.gov/taxtopics/tc427
Sweden – Individual – Income determination – Worldwide Tax Summaries (PwC), accessed on April 20, 2025, https://taxsummaries.pwc.com/sweden/individual/income-determination
Stocks (options, splits, traders) 5 | Internal Revenue Service, accessed on April 20, 2025, https://www.irs.gov/faqs/capital-gains-losses-and-sale-of-home/stocks-options-splits-traders/stocks-options-splits-traders-5
Personaloptioner – Skatteverket, accessed on April 20, 2025, https://www.skatteverket.se/privat/skatter/arbeteochinkomst/formaner/incitamentsprogram/personaloptioner.4.69ef368911e1304a625800014505.html
Stock Options – Skatteverket, accessed on April 20, 2025, https://www.skatteverket.se/servicelankar/otherlanguages/inenglishengelska/individualsandemployees/newinswedenandwillbeemployedhere/doyouparticipateinastockincentiveplan/stockoptions.4.7be5268414bea064694c967.html
How are stock options taxed in Sweden? (eng) – Optionspartner, accessed on April 20, 2025, https://www.optionspartner.se/stock-options-sweden/
Global Tax Alert – Sweden: Incentives in merger and acquisitions | DLA Piper, accessed on April 20, 2025, https://www.dlapiper.com/en/insights/publications/2022/02/global-tax-alert–sweden-incentives-in-merger-and-acquisitions
Employee Stock options in Sweden and their tax consequences – Accountor Group, accessed on April 20, 2025, https://www.accountor.com/en/sweden/news/employee-stock-options-sweden-and-their-tax-consequences
Optioner som förmån- privat – Skatteverket, accessed on April 20, 2025, https://www.skatteverket.se/privat/skatter/arbeteochinkomst/formaner/incitamentsprogram/optioner.4.69ef368911e1304a625800014407.html
Do you participate in a Stock Incentive Plan – Skatteverket, accessed on April 20, 2025, https://www.skatteverket.se/servicelankar/otherlanguages/inenglishengelska/individualsandemployees/newinswedenandwillbeemployedhere/doyouparticipateinastockincentiveplan.4.7be5268414bea064694c910.html
The Ultimate Guide to Stock Options in Swedish Startups – StartupTools Sweden, accessed on April 20, 2025, https://startuptools.org/se/ultimate-guide-stock-options-swedish-startups/
A Guide to Employee Equity in Sweden | Carta UK, accessed on April 20, 2025, https://carta.com/uk/en/learn/startups/compensation/employee-equity/sweden/
Options that qualify as securities – Skatteverket, accessed on April 20, 2025, https://www.skatteverket.se/servicelankar/otherlanguages/inenglishengelska/individualsandemployees/newinswedenandwillbeemployedhere/doyouparticipateinastockincentiveplan/optionsthatqualifyassecurities.4.7be5268414bea064694c95a.html
skatteverket.se, accessed on April 20, 2025, https://skatteverket.se/4.64a656d113f4c7597011b3/12.48cfd212185efbb440b6bca.htm?state=executePaging&isRenderingAjaxPagingResult=true&query=buy+facebook+stock+now%7CBityard+More+Profit&startAtHit=
skatteverket.se, accessed on April 20, 2025, https://skatteverket.se/4.64a656d113f4c7597011b3/12.48cfd212185efbb440b6bb1.htm?state=executePaging&isRenderingAjaxPagingResult=true&query=compass+share+price+lse%7CBitYard+Buy+Bitcoin&startAtHit=
skatteverket.se, accessed on April 20, 2025, https://skatteverket.se/4.64a656d113f4c7597011b3/12.48cfd212185efbb440b6bca.htm?state=executePaging&isRenderingAjaxPagingResult=true&query=medallia+stock+price%7CBitYard.com+Yield+Farming&startAtHit=
Syntetiska optioner – Skatteverket, accessed on April 20, 2025, https://www.skatteverket.se/privat/skatter/arbeteochinkomst/formaner/incitamentsprogram/syntetiskaoptioner.4.69ef368911e1304a625800018223.html
SARs — Stock Appreciation Rights | Skatteverket, accessed on April 20, 2025, https://www.skatteverket.se/servicelankar/otherlanguages/inenglishengelska/individualsandemployees/newinswedenandwillbeemployedhere/doyouparticipateinastockincentiveplan/sarsstockappreciationrights.4.7be5268414bea064694c988.html
How To Deduct Stock Losses From Your Taxes | Bankrate, accessed on April 20, 2025, https://www.bankrate.com/investing/how-to-deduct-stock-losses-from-taxes/
Capital Loss Carryover: Definition, Rules, and Example – Investopedia, accessed on April 20, 2025, https://www.investopedia.com/terms/c/capital-loss-carryover.asp
Schedule D: How To Report Your Capital Gains (Or Losses) To The IRS | Bankrate, accessed on April 20, 2025, https://www.bankrate.com/investing/schedule-d-reporting-your-capital-gains-or-losses/
Crypto Tax Sweden: 2025 Guide – Koinly, accessed on April 20, 2025, https://koinly.io/guides/crypto-tax-sweden/
IRS releases tax inflation adjustments for tax year 2025 | Internal Revenue Service, accessed on April 20, 2025, https://www.irs.gov/newsroom/irs-releases-tax-inflation-adjustments-for-tax-year-2025
About Form 8949, Sales and other Dispositions of Capital Assets | Internal Revenue Service, accessed on April 20, 2025, https://www.irs.gov/forms-pubs/about-form-8949
Guide to Schedule D: Capital Gains and Losses – TurboTax Tax Tips & Videos – Intuit, accessed on April 20, 2025, https://turbotax.intuit.com/tax-tips/investments-and-taxes/guide-to-schedule-d-capital-gains-and-losses/L1bKWgPea
The Purpose of IRS Form 8949 – Investopedia, accessed on April 20, 2025, https://www.investopedia.com/articles/personal-finance/083015/purpose-irs-form-8949.asp
IRS Form 8949 & Schedule D for Traders – TradeLog, accessed on April 20, 2025, https://tradelog.com/education/form-8949/
Topic no. 429, Traders in securities (information for Form 1040 or 1040-SR filers) – IRS, accessed on April 20, 2025, https://www.irs.gov/taxtopics/tc429
2024 Instructions for Schedule D – Capital Gains and Losses – IRS, accessed on April 20, 2025, https://www.irs.gov/pub/irs-pdf/i1040sd.pdf
What is Schedule D? | Capital gains and losses – Fidelity Investments, accessed on April 20, 2025, https://www.fidelity.com/learning-center/smart-money/schedule-d
2024 Publication 550 – IRS, accessed on April 20, 2025, https://www.irs.gov/pub/irs-pdf/p550.pdf
Taxes in Sweden for US Expats, accessed on April 20, 2025, https://www.taxesforexpats.com/country-guides/sweden/us-tax-preparation-in-sweden.html
How To Declare Taxes On Stocks In Sweden – Skatt på aktier – YouTube, accessed on April 20, 2025, https://www.youtube.com/watch?v=gkvY90xse5Q
Option trading : r/TillSverige – Reddit, accessed on April 20, 2025, https://www.reddit.com/r/TillSverige/comments/1d4oyjm/option_trading/
Skatt på investeringssparkonto | Skatteverket, accessed on April 20, 2025, https://skatteverket.se/privat/skatter/vardepapper/investeringssparkontoisk.4.5fc8c94513259a4ba1d800037851.html