Glossary · UK
What is Crypto Day Trading (tax risk)?
Frequent buying and selling of cryptoassets is usually taxed as Capital Gains Tax for individuals, but very high-frequency, business-like trading risks being reclassified as Income Tax trading.
Full Definition
For the vast majority of individuals, profits from buying and selling cryptoassets — including day trading between different tokens — are taxed under Capital Gains Tax rules: each disposal (including swapping one crypto for another, not just cashing out to sterling) is a chargeable event, and gains above the CGT Annual Exempt Amount are taxed at 18% or 24% (2026/27). HMRC's official guidance states it will only be in exceptional circumstances that an individual's crypto activity is considered a financial trade taxed under Income Tax instead, applying the same badges-of-trade tests used for shares and forex — extremely high frequency, organisation, sophistication and commercial character. The tax risk for active crypto day traders is mainly practical rather than about rate: every single trade, including token-to-token swaps and DeFi transactions like staking or liquidity pool entries/exits, is potentially a disposal requiring its own gain/loss calculation, and HMRC's Making Tax Digital-era data-sharing agreements with exchanges make under-reporting increasingly detectable.