What to Know About Crypto Tax Loss Harvesting in 2026

Crypto tax loss harvesting involves selling digital assets that have declined in value to realize a capital loss for tax purposes. That realized loss can offset capital gains.

If you still have net capital losses left after that, you may generally deduct up to $3,000 against ordinary income each year, or $1,500 if married filing separately.

Example
Suppose you made a $5,000 gain on Bitcoin earlier in the year. Later, you sell Ethereum and take a $3,000 loss. When you file your taxes, you combine these amounts, so you end up with a $2,000 capital gain instead of $5,000.

How does crypto tax harvesting work?

Here’s how the crypto tax loss harvesting process usually works:

1. You find a position that is below your basis.

2. You sell it, which turns the paper loss into a real tax loss.

3. That loss first offsets capital gains.

4. If losses remain, some of the excess may offset ordinary income, up to the annual limit.

5. Any remaining net capital loss generally carries forward.

6. You report the sale on your tax return, usually through Form 8949 and Schedule D.

Try our free crypto tax calculator to estimate your gains, losses, and income before you file your taxes, and use our powerful crypto tax software to make this and every tax season easy and smooth.

What about wash sale rules for crypto?

Under current US federal tax rules, wash sale rules apply to stocks and securities, not crypto. That means many investors can harvest a crypto loss and buy back the same coin without an automatic wash sale disallowance.

The biggest benefit is that realized losses can lower the amount of gains you pay tax on this year. If your losses are big enough, they can also help in future years.

• Lower current-year taxes: Realized losses can offset capital gains from crypto and other capital assets.

• Partial income deduction: If losses remain after offsetting gains, you may generally deduct up to $3,000 against ordinary income each year, or $1,500 if married filing separately.

• Future tax value: Unused net capital losses generally carry forward into future tax years.

• Portfolio cleanup: Harvesting losses lets you get rid of positions you no longer want while improving your tax situation.

Tax loss harvesting can be helpful, but it’s not automatic or without risk. You’re making a real trade, and your tax results depend on having accurate records. You can sell at a loss and then watch the asset recover.

• Recordkeeping risk: If your basis, fees, or lot selection are wrong, the reported loss can be wrong.

• Reporting risk: Digital asset reporting is becoming easier for the IRS to review as broker reporting expands.

• Future rule risk: Broker reporting and basis tracking rules have changed recently, so clean records matter more than they used to.

Most of the effort comes before you actually sell. You need to know what you paid, which lot you’re selling, and if the loss will help you this year.

1. Review your portfolio and identify positions that are genuinely in the red.

2. Check whether you already have gains for the year that those losses could offset.

3. Decide which tax lots make sense to sell. If you can accurately identify the units sold, use that. If not, FIFO is generally the fallback.

4. Sell the asset and lock in the loss.

5. Save your records while the details are still easy to find.

6. Report the sale on the right forms. Most investors use Form 8949 and Schedule D.

This simple example in the table below shows why the timing can matter:

In this example, the harvested loss cancels out the gain. This doesn’t mean your total tax bill for the year is zero. Rather, it just means you don’t have a net capital gain from those transactions.

Crypto tax loss harvesting timing

People usually think about harvesting losses at two main times:

• Year-end. Harvest before December 31 if you want the loss to count for that tax year.

• During market dips. You can also harvest during the year when prices drop, and you already have gains to offset.

Sell when the loss is real, useful, and well documented. In practice, this means you have unrealized losses, gains to offset, and enough records to back up the sale.

Good times to consider harvesting losses include year-end planning, sharp market drops, or whenever you’re rethinking your position. A tax loss is most useful when it helps solve a real tax issue you already face.

Pro tip
A tax loss doesn’t begin when your chart turns red. It starts only when you complete a sale or exchange.

For most individual US taxpayers, the deadline is December 31. You need to complete the sale or exchange by year-end for it to count in that tax year.

Yes, but the main limit is the amount of net capital loss you can use against ordinary income in one year. Capital losses offset capital gains first.

• Against capital gains: Capital losses in crypto (and otherwise) generally offset capital gains first.

• Against ordinary income: If losses remain after that, you can generally deduct up to $3,000 per year, or $1,500 if married filing separately.

• Carryforwards: If you still have unused net capital losses after applying the annual limit, they generally carry forward to future years.

• Unrealized losses don’t count: You need to complete a sale or exchange before the loss matters for your taxes.

There are several legal ways to reduce your tax bill for US (and many international) taxpayers. Here’s a quick look:

• Keep track of crypto cost basis, fees, and transfers so your gains are based on real numbers.

• Harvest losses when you already have gains they can offset.

• Use specific identification if your records are good enough, and the lot choice could change the outcome.

• Hold long enough to qualify for long-term treatment when that fits your plan.

• Keep your own records even if you receive a 1099-DA, since broker statements for 2025 often won’t include your cost basis. Get help if things get complicated, especially if you use multiple wallets, DeFi, NFTs, or have lots of transactions.

Tax-loss harvesting is simple in theory. Most people run into trouble with bookkeeping, not the idea itself. Here’s what to look out for when you decide to tax loss harvest crypto:

• Volatility: A position that looks like an obvious loss today can look very different a few days later.

• Tracking: Different purchase prices, transfer histories, and holding periods can make the math more complicated than it seems.

• Reporting: Broker statements are improving, but many people still need their own records to figure out their cost basis correctly.

Short-term gains are usually taxed at ordinary income rates, while long-term gains are usually taxed at more favorable rates. That is why short-term losses can be especially useful when you already have short-term gains on the books.

Still, the best approach depends on your overall mix of gains and losses. Good tax planning looks at the whole picture, not just one trade.

Tax-loss harvesting with NFTs

Tax-loss harvesting can apply to NFTs held as capital assets and sold at a loss. The basic capital-gain and capital-loss rules still apply. The challenge is liquidity. An NFT strategy doesn’t help much if there’s no real market or practical way to sell.

Pro tip
If you hold NFTs, the rules are slightly different. We explain this in our expert guide to NFT tax loss harvesting.

What if I have both gains and losses in the same cryptocurrency?

You might still be able to harvest a loss if you own different tax lots of the same coin with different cost bases. The outcome depends on which units you sold and whether your records back up those sales.

If you cannot adequately identify the units sold, the FIFO crypto accounting method is generally the fallback. That can significantly change the result.