A sportsbook takes bets on the result of real events, such as a football match. Unlike a slot, the result comes from the event itself. The bookmaker sets the price—the odds—and writes rules for how each market is settled. Knowing the sport does not make a bet certain.
Reading decimal odds in euros
Decimal odds show the total return including your stake if a standard single bet wins. A €10 bet at 2.50 returns €25 in total: €10 back plus €15 profit. If it loses, the €10 stake is lost. At 2.50, the simple implied probability is 1 ÷ 2.50, or 40%. That is a way to read the price, not proof the true chance is exactly 40%; bookmaker margin is built into markets.
Common bet types
- Single: one selection in one market. Check whether the market is “90 minutes,” “to qualify,” or something else; these are not interchangeable.
- Accumulator: multiple selections combined. Usually every leg must win for a full payout, although voids and other exceptions depend on the rules. A larger displayed return comes with more ways for the bet to fail.
- In-play: a bet placed while the event is happening. Prices change quickly, markets can pause, and the odds you see may change before the bet is accepted.
Cash-out is an offer, not a right to a fixed amount
Some sportsbooks offer to settle a bet early. The amount can rise, fall or disappear as the event changes; pressing the button does not necessarily mean the offer was accepted. Read the operator’s cash-out and settlement rules. The UK Gambling Commission explains why cash-out may be unavailable during live events.
Check the slip before confirming
- Read the exact event, market, selection, stake and accepted odds.
- Check settlement details: normal time versus extra time, abandoned events, void bets and any special terms.
- Decide what loss you can afford before the match starts. Do not increase stakes to recover a previous bet.
The UK Gambling Commission’s betting-slip standard sets out the information customers should see before committing in Great Britain. Rules elsewhere differ. For adults only. Betting can cause financial harm; following a team closely does not remove uncertainty.
Before placing a bet, it also helps to know what happens after kickoff. Our guide to cash-out, void bets and settlement explains the questions to ask about the market rules.