Yes — for most retail traders, under current rules. Spread bet profits are treated as gambling winnings (more on that classification here), not investment gains, so no Capital Gains Tax and no stamp duty. Here's what HMRC actually says, and where the edges are.
What HMRC says
HMRC's Business Income Manual (BIM22015, most recently confirmed in October 2025) states that placing spread bets is not normally trading for tax purposes — so profits are not taxable and, symmetrically, losses are not deductible. The main caveat sits in BIM22020: someone running spread betting as an organised business activity could, in principle, be taxed as trading. In practice this is rare, but if betting is your sole income, take professional advice.
Why the exemption matters more now
The CGT annual exempt amount fell from £12,300 to just £3,000 (2026/27), with gains above it taxed at 18% or 24%. A higher-rate taxpayer making £10,000 of gains would pay roughly £1,680 CGT via share dealing or CFDs — and £0 via spread betting. The wrapper's advantage has grown as the allowance has shrunk.
The catches
- No loss relief. Most participants lose money (see any provider's published loss rate) — and spread betting losses cannot be offset against other taxable gains. The "tax-free" framing describes the minority outcome.
- The spread itself is a cost. You pay the provider through wider pricing rather than a taxed commission.
- Rules can change. No change is currently proposed, and there's a structural reason to expect stability (taxing profits would require allowing loss relief, which would likely cost the Treasury money) — but tax treatment depends on individual circumstances and jurisdiction.
This page is general information, not tax advice. For anything beyond casual retail use, speak to a qualified tax adviser.
The rule that outranks every guide: never bet more than you can afford to lose.
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