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Free calculator
Calculate qualifying bets and exchange liability.
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Bet type
Matched betting pairs a bookmaker bonus with an opposing exchange position so the outcome is identical either way. Enter the bonus size, the back odds, and the lay odds, and the calculator returns the lay stake and the locked profit.
A well-converted free bet returns 70 to 80 percent of its face value as withdrawable profit. Stake-returned bonuses convert at a higher rate than stake-not-returned.
Lay the potential winnings of the free bet, adjusted for exchange commission. The calculator returns the exact stake for your odds pair.
It is legal in most jurisdictions because it uses standard bets and promotions. Bookmakers dislike it and may restrict accounts, so check each operator's promotion terms.