Advantage play
🤝 Matched Betting
Qualifying loss and free-bet profit with back/lay & exchange commission.
Result
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How it works
The formula
Lay stake = (back×stake)/(lay−comm). Free-bet profit ≈ stake×(back−1) − layStake×(lay−1)+... computed live.
Example: Free bet 20 @5.0, lay 5.2, 2% comm → ~15.4 locked profit.
FAQ
Questions
Is matched betting gambling?
It’s risk-free in theory by covering both sides; execution errors are the real risk.
What is a qualifying bet?
The small guaranteed loss you accept to unlock a free bet or bonus.
More tools
Related calculators
⚖️
Arbitrage (Surebet)
Guaranteed-profit staking across 2 or 3 bookmakers.
🃏
Dutching
Back multiple selections for equal profit whichever wins.
🛡️
Hedge / Cash-Out
Lock in profit or cut losses by hedging the opposite side.
↔️
Back/Lay (Exchange)
Lay stake and liability for a betting-exchange position.
For entertainment & education only. OSOTOTO does not offer gambling. Results are mathematical estimates — variance means real outcomes differ. 18+. Need support? Self-check.
