For eligible United Kingdom residents, profits from Spread Betting are generally exempt from Capital Gains Tax.
Spread Betting is also generally not subject to Stamp Duty because you do not own the underlying asset.
However, tax treatment depends on your individual circumstances and applicable tax law.
Tax rules can change, and different treatment may apply depending on your personal circumstances.
ThinkMarkets does not provide personal tax advice.
If you are unsure how Spread Betting is taxed in your situation, you should seek independent professional tax advice.
Learn more about spread betting here: https://www.thinkmarkets.com/uk/platforms/accounts/spread-betting/