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Your Guide to Uniswap Taxes in 2026

Zac McClure
ByZac McClure, MBAReviewed byTynisa (Ty) Gaines, EAUpdated on March 7, 2026 · minute read
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  • Many Uniswap actions can be taxable for US taxpayers, especially swaps and any activity that results in you disposing of one token and receiving another.

  • Some Uniswap actions, such as approvals, do not, by themselves, create a taxable event. Liquidity adds and removals can be complex. The best tax reporting approach depends on the facts and how the transaction is structured.

What is Uniswap?

Uniswap is an Ethereum-based decentralized exchange that lets anyone trade ERC‑20 tokens directly from a self‑custody wallet. Liquidity pools, not a central order book, set prices through smart contracts. Uniswap is among our picks of the best DeFi exchanges.

How does Uniswap work?

  • Liquidity providers deposit equal values of two tokens and receive LP tokens.

  • Traders swap against the pool, and the constant‑product formula updates prices.

  • Pool fees accrue automatically to LP token holders.

The benefits of Uniswap

  • Self custody, no KYC.

  • Large, permissionless liquidity.

  • Open source contracts audited by multiple firms.

  • Anyone can list new ERC‑20 pairs.

Do you pay taxes on Uniswap?

Swaps, liquidity movements, flash swaps, and airdrops are taxable under the same IRS rules that apply to centralized exchange trades.

Are there taxes on Uniswap trades?

Liquidity adds and removals can be taxable, but the right treatment depends on the facts and how the transaction is structured.

  • Add: Many filers treat adding liquidity as a taxable swap because you give up tokens and receive an LP token. Others may take different positions depending on the pool mechanics and documentation.

  • Remove: Removing liquidity often involves disposing of an LP token and receiving underlying tokens, which can create a taxable event.

  • Record: Capture timestamps, token amounts, and USD values at the time of each liquidity add and removal so you can compute proceeds, basis, and any gain or loss consistently.

Do you pay tax on flash swaps?

If a flash swap results in a net profit, it is typically reported as a short-term result because the transactions occur over a very short holding period. The exact character can depend on your facts, including whether you are operating as a trade or business.

Tax rules for liquidity pool tokens and flash swaps

  • Treat LP tokens as new property with basis equal to the USD value of the tokens you deposited.

  • Gains inside the pool are not taxed until you burn the LP token.

  • Flash swap profits follow regular capital gains rules.

Uniswap airdrop tax

UNI or other tokens claimed via an airdrop are ordinary income based on market value when you take control. Later sales create capital gains or losses from that basis.

How to find your Uniswap transaction history

Use Etherscan
To view your Uniswap transaction history, copy the public address of the wallet you used (such as MetaMask or Coinbase Wallet). Then go to Etherscan and paste the address into the search bar. From there, you can explore all transactions associated with your wallet, including swaps, approvals, and liquidity events on Uniswap.

Exporting a CSV
Etherscan also offers a Download CSV option under the token or transaction history tabs. This file can help you keep a record of your activity for tax reporting. Some wallets may offer a built-in export option.

How to file your Uniswap taxes with TokenTax

With TokenTax, you can import data from every crypto exchange, blockchain, protocol, and wallet. Just sync your transactions via API or upload them in a supported CSV format and simplify your Uniswap tax reporting.

Filing Uniswap taxes with TokenTax couldn’t be easier. Simply sign up, connect your Web3 wallet, and let our software do the rest.

TokenTax allows you to import data from every crypto exchange, blockchain, protocol, and wallet. Just sync your transactions via API or upload them in a supported CSV format. And if you need additional support, we offer advanced reconciliation services from crypto-savvy tax professionals.

How to generate a Uniswap tax form

Uniswap does not at this time provide tax forms to their users. TokenTax integrates with Uniswap to simplify this process. With our platform, you simply import your Uniswap transaction history and our software does the rest so you don’t need to track Uniswap transactions by hand.

Does Uniswap report to the IRS?

No. Uniswap collects no personal data and sends no forms. New broker regulations will require certain US-based front ends to issue Form 1099‑DA starting in 2026, but on‑chain trades today remain self reported.

Does Uniswap send 1099 forms?

Uniswap does not issue 1099‑MISC, 1099‑B, or 1099‑DA. Users must track their own gains and income.

Uniswap taxes FAQs

To stay up to date on the latest, follow TokenTax on Twitter @tokentax.

Zac McClure
Zac McClureCo-Founder & CEO at TokenTax
Zac co-founded TokenTax after his career in international finance and accounting at JPMorgan, Imprint Capital and Bain. He has worked in more than a half-dozen countries and received his MBA from the UPenn Wharton School.
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Tynisa (Ty) Gaines
Reviewed byTynisa (Ty) GainesTax Expert at TokenTax
Tynisa (Ty) Gaines, EA has more than 20 years of experience as a tax professional. Ty has published numerous tax articles, two tax e-books, and an academic publication on cryptocurrency for the National Income Tax Workbook.
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