Product
Spread Betting
Definition
Spread betting is a form of betting in which the firm quotes a range, the spread, for a measurable outcome such as total goals in a match, a team's points or the level of a share index, and the customer buys above it or sells below it at a chosen stake per unit. Winnings or losses then grow with how far the final result lands from the price taken. Unlike a fixed-odds bet, the potential loss is not limited to the stake.
In the UK a spread bet is legally a contract for differences. The Gambling Act 2005 excludes from its definition of a bet any bet that is a regulated activity under the Financial Services and Markets Act 2000, so spread betting firms, including those offering sports spreads, are authorised by the Financial Conduct Authority rather than licensed by the Gambling Commission. For spread bets on financial markets, FCA rules in force since August 2019 cap leverage for retail clients and require negative balance protection.
Key takeaways
- In spread betting the customer buys or sells against a quoted range, and the payout scales with how far the result lands from that price.
- Losses are not capped at the stake, which makes credit and liability management central to the product.
- In the UK a spread bet is a contract for differences, regulated by the FCA rather than the Gambling Commission.
- For financial spread bets, FCA rules since August 2019 limit retail leverage to between 30:1 and 2:1 and guarantee clients cannot lose more than their account balance.
Formula
Profit or loss on a buy = (Settlement value - Buy price) x Stake per unit. Profit or loss on a sell = (Sell price - Settlement value) x Stake per unit.
The buy price is the top of the quoted spread and the sell price the bottom; the gap between them is the firm's margin. Results below the buy price produce a loss on a buy, and results above the sell price produce a loss on a sell, without a fixed limit unless a stop or cap applies.
Worked example
Illustrative figures only, not taken from a real market.
A firm quotes total goals in a football match at 2.4 to 2.7. Stakes are per goal.
- A customer buys at 2.7 at 10 per goal. If the match ends with 4 goals: (4 - 2.7) x 10 = +13. If it ends with 1 goal: (1 - 2.7) x 10 = -17.
- Another customer sells at 2.4 at 10 per goal. If the match ends with 1 goal: (2.4 - 1) x 10 = +14. If it ends with 5 goals: (2.4 - 5) x 10 = -26.
The losing sell customer stakes 10 per goal but loses 26, more than two and a half times the unit stake. That open-ended exposure, on both sides of the book, is why firms set credit limits, require deposits and offer stop-loss features.
Why it matters
Spread betting turns a bet into a position. The customer's exposure grows with the result, so the firm has to manage customer credit risk as well as its own book. Firms assess how much a customer can afford to lose, take deposits or set credit limits, and may offer stop-losses or capped markets. On the trading side, the firm's liability on a market moves continuously as the result develops, which calls for different risk tools from fixed-odds trading.
The product also sits on a regulatory boundary. Because the Gambling Act 2005 carves out bets that are regulated activities under financial services law, sports spread betting in the UK is supervised by the FCA, while the same group's fixed-odds betting may be licensed by the Gambling Commission. That dual structure affects licensing, marketing rules, complaints routes and capital requirements. For financial spread bets, the FCA's 2019 retail rules added leverage limits from 30:1 to 2:1, margin close-out at 50%, negative balance protection, standardised risk warnings and a ban on inducements.
Spread betting is often confused with the American point spread, which is a fixed-odds handicap, and with binary options, which pay a fixed amount. For operators considering index or spread-style markets, the distinction is legal as well as mathematical. The Sportsbook Trading course covers pricing and liability management.
Spread Betting vs Point spread
| Spread Betting | Point spread |
|---|---|
| The customer buys or sells a quoted figure and wins or loses a multiple of the unit stake depending on how far the result lands from it. Exposure is open-ended. | A fixed-odds bet on a handicapped result: a team must win by more than, or lose by less than, a set margin. The bet either wins at the quoted price or loses the stake. |
The names are similar but the risk profiles are not. A point spread bet has a known maximum loss; a spread bet does not, which is why UK spread betting is regulated as a financial product.
The bottom line
Spread betting pays according to how far a result lands from a quoted range, so wins and losses are both open-ended. In the UK that makes it a contract for differences regulated by the FCA rather than the Gambling Commission, and it turns customer credit risk into a core part of the product.
Sources
- Gambling Act 2005, section 10: Spread bets, &c. - legislation.gov.uk
- FCA Handbook glossary: spread bet - Financial Conduct Authority
- PS19/18: Restricting contract for difference products sold to retail clients - Financial Conduct Authority
Frequently asked questions
What is spread betting?
Spread betting is betting on a measurable outcome against a range quoted by the firm. The customer buys if they expect the result to finish above the range or sells if below, at a stake per unit. The return is the difference between the final result and the price taken, multiplied by the stake, so both gains and losses can exceed the stake.
How does spread betting on football work?
A firm quotes a range for a statistic such as total goals, corners or bookings, for example 2.4 to 2.7 goals. A customer who buys at 2.7 gains for every goal above 2.7 and loses for every goal below it, multiplied by the stake per goal. A seller at 2.4 does the opposite. The final statistic settles the bet.
Is spread betting regulated by the Gambling Commission?
No. In the UK spread bets are contracts for differences, and the Gambling Act 2005 excludes bets that are regulated activities under the Financial Services and Markets Act 2000 from its definition of betting. Spread betting firms, including sports spread betting firms, are therefore authorised and supervised by the Financial Conduct Authority.
Spread betting vs fixed-odds betting: what is the difference?
In fixed-odds betting the stake is the maximum loss and the potential return is set when the bet is placed. In spread betting the outcome is measured on a scale, and the profit or loss depends on how far the result lands from the quoted price, so losses can be several times the unit stake. That difference drives the separate regulation.