Capital Gains Tax Explained: Short-Term vs Long-Term in 2026

Published August 20, 2026 · 9 min read

When you sell an investment for more than you paid, the profit is called a capital gain. The IRS taxes that gain — but the rate depends on one critical factor: how long you held the investment before selling.

Hold for less than a year and you pay the same rates as your regular paycheck — up to 37%. Hold for more than a year and you qualify for much lower long-term capital gains rates of 0%, 15%, or 20%. That single decision — when to sell — can save you thousands of dollars.

This guide explains exactly how capital gains tax works in 2026, with rates, thresholds, crypto rules, and a worked example showing the real dollar difference.

What Is a Capital Gain?

A capital gain is the profit you make when you sell a capital asset for more than you paid. A capital loss is the opposite — when you sell for less than you paid. Capital assets include:

• Stocks, ETFs, and mutual funds
• Bonds
• Cryptocurrency (Bitcoin, Ethereum, etc.)
• Real estate (with some exceptions)
• Collectibles (art, coins, jewelry)
• Business property

The amount of tax you owe is calculated on your net gain — the sale price minus your original cost (called your cost basis). If you bought 10 shares of stock at $50 each ($500 total) and sold them for $800, your capital gain is $300.

Short-Term vs Long-Term: The Most Important Distinction

The IRS splits capital gains into two categories based on how long you owned the asset:

Waiting just one day past the one-year mark can drop your tax rate significantly. If you are in the 22% income tax bracket and sell a stock after 364 days, you pay 22% on the gain. Sell after 366 days and you pay 15%. On a $10,000 gain, that is $700 in savings just by waiting.

Long-Term Capital Gains Tax Rates for 2026

Long-term capital gains tax rates are based on your taxable income (not just your investment profit). In 2026, the thresholds for single filers are:

Source: IRS Topic 409 — Capital Gains and Losses. Thresholds are adjusted annually for inflation.

Notice that the 0% rate applies to a surprising number of people. A single person with $49,000 in total taxable income — wages plus capital gains — pays zero federal tax on long-term investment profits. This is one of the most underused tax advantages in the U.S. tax code.

Short-Term Capital Gains: Taxed Like a Paycheck

Short-term capital gains are added directly to your ordinary income and taxed at the same federal rates that apply to your salary. There is no special rate — it is just more income in your existing bracket.

For example, if you earn $70,000 in salary and $15,000 from selling stocks held less than a year, your total taxable income for the year is $85,000 (minus your standard deduction). You pay tax on all of it using the standard seven federal brackets.

This is why day traders and frequent stock flippers often face much higher tax bills than long-term investors — every profitable trade generates short-term gains taxed at up to 37%.

The Net Investment Income Tax (NIIT): An Extra 3.8%

High earners face a second layer of tax on investment income called the Net Investment Income Tax (NIIT). It adds 3.8% on top of your regular capital gains rate if your Modified Adjusted Gross Income (MAGI) exceeds:

• $200,000 for single filers
• $250,000 for married filing jointly
• $125,000 for married filing separately

These thresholds have never been adjusted for inflation since the NIIT was created in 2013, which means more people get hit every year as incomes rise. (IRS — Net Investment Income Tax)

If you are a single filer earning $250,000 and you sell stock for a $50,000 long-term gain, you pay:

Capital Gains on Cryptocurrency

The IRS treats cryptocurrency as property, not currency. That means every taxable event — selling crypto for cash, trading one coin for another, or using crypto to buy goods — triggers a capital gain or loss. The same short-term and long-term rules apply.

Key points for crypto investors:

• Every trade is taxable. Swapping Bitcoin for Ethereum is a taxable event. You owe tax on the gain from the Bitcoin you “sold,” even if no cash ever hit your bank account.
• Crypto received as income is ordinary income. Mining rewards, staking rewards, and payments received in crypto are taxed as ordinary income at your regular rate — not as capital gains.
• You must track your cost basis. Your gain or loss on each transaction depends on what you originally paid. Keeping records is essential — brokers and exchanges now report this to the IRS on Form 1099-DA.
• Losses can offset gains. If you sell one crypto at a loss and another at a gain, the loss reduces your taxable gain.

(IRS — Virtual Currencies)

Home Sale Capital Gains Exclusion

Selling your home can create a large capital gain — but the IRS offers a generous exclusion. If you owned your home and used it as your primary residence for at least 2 of the last 5 years, you can exclude:

• $250,000 of gain if you are a single filer
• $500,000 of gain if you are married filing jointly

Example: You bought a home for $300,000 and sell it for $700,000. Your gain is $400,000. If you are married, you exclude $500,000 — so your entire $400,000 gain is tax-free. You only owe tax if the gain exceeds the exclusion. (IRS Topic 701 — Sale of Your Home)

Tax-Loss Harvesting: Offset Gains With Losses

If you have investments that are worth less than you paid, you can sell them to create a capital loss — and use that loss to reduce your taxable gains. This strategy is called tax-loss harvesting.

Here is how the math works:

• Capital losses first offset capital gains of the same type (short-term losses offset short-term gains; long-term losses offset long-term gains).
• Excess losses can then offset gains of the other type.
• If losses exceed all gains, you can deduct up to $3,000 in net losses against your ordinary income per year.
• Any remaining unused losses carry forward to future tax years — there is no limit on how many years you can carry them.

Important: Watch out for the wash-sale rule. If you sell a stock at a loss and buy the same (or substantially identical) stock within 30 days before or after, the IRS disallows the loss. You cannot claim the deduction.

Worked Example: Short-Term vs Long-Term on the Same $10,000 Gain

Let’s say you are a single filer earning $80,000 in salary. You sell a stock for a $10,000 profit. Here is what you pay depending on when you sell:

By holding the investment for just one more day past the one-year mark, this investor saves $700 in federal taxes — with no additional risk required. On a $50,000 gain, the savings would be $3,500. On top of federal tax, you also owe state income tax on capital gains in most states, making the timing decision even more valuable.

State Taxes on Capital Gains

Most states tax capital gains as ordinary income — there is no separate lower rate like at the federal level. A few exceptions:

• No income tax states: Texas, Florida, Nevada, Washington (except its new capital gains tax on gains over $262,000), Wyoming, Alaska, and South Dakota charge zero state tax on capital gains.
• High-tax states: California taxes capital gains at up to 13.3% — the same rate as regular income. A California resident in the top bracket pays up to 33.3% combined (20% federal + 3.8% NIIT + 13.3% CA state) on long-term capital gains.
• Lower rate states: A handful of states offer reduced rates on long-term gains. Always check your state’s specific rules.

(Tax Foundation — State Capital Gains Tax Rates)

How to Report Capital Gains

Capital gains are reported on Schedule D of your federal tax return, along with Form 8949, which lists each individual transaction. Your broker will send you a Form 1099-B (or 1099-DA for crypto) at the end of the year showing your sale proceeds. You are responsible for knowing your cost basis and calculating the gain.

Most tax software (TurboTax, H&R Block, FreeTaxUSA) can import your 1099-B directly from major brokers, making the reporting process straightforward for most investors.

If you expect to owe more than $1,000 in federal tax from capital gains during the year, you may need to pay quarterly estimated taxes to avoid an underpayment penalty. This applies to large one-time gains from selling stock, real estate, or a business. (IRS — Estimated Taxes)

5 Strategies to Reduce Your Capital Gains Tax Bill

1. Hold for over a year. The single biggest lever — converting short-term gains to long-term cuts your rate from up to 37% down to 0%, 15%, or 20%.
2. Use tax-advantaged accounts. Investments inside a 401(k) or IRA grow without triggering capital gains each year. Roth accounts make qualified withdrawals entirely tax-free.
3. Harvest losses. Sell losing investments to offset gains before year-end. Just avoid the wash-sale rule.
4. Give appreciated stock to charity. Donating shares directly to a charity avoids the capital gains tax entirely and still gives you a deduction for the full market value.
5. Time large sales around your income. If you expect lower income one year (a gap between jobs, early retirement), that may be the best year to sell and pay at the 0% rate.

The Bottom Line

Capital gains tax is one of the most controllable parts of your tax bill. Unlike your paycheck withholding, you often get to choose when you sell — and that timing decision can mean thousands of dollars.

The core rules are simple: hold an investment for more than a year and you unlock the 0%–20% long-term rates. Sell early and you pay the same rates as your salary. Add state taxes on top, and the difference between short-term and long-term treatment can be 30 percentage points or more in a high-tax state like California.

Understanding these rules — and planning your sales around them — is one of the highest-value financial habits any investor can build.

Sources

• IRS Topic 409 — Capital Gains and Losses
• IRS — Net Investment Income Tax Q&A
• IRS Topic 701 — Sale of Your Home
• IRS — Virtual Currencies (Crypto Tax Guidance)
• Tax Foundation — State Capital Gains Tax Rates
• IRS — Estimated Taxes