Free Bet & Matched Betting Conversion Calculator
Calculate guaranteed cash extraction and optimal hedge stakes for Stake Not Returned (SNR) and Stake Returned (SR) free bets, and simulate mathematical bonus unlocking.
Bonus Parameters & Market Odds
1win +500% Welcome Bonus Unlocking Model
How the 1win +500% welcome package mathematically transfers from bonus equity to withdrawable cash on single bets with odds ≥ 3.00.
Guaranteed Cash Conversion
76.9% RETENTIONFrequently Asked Questions (FAQ)
What is a Stake Not Returned (SNR) free bet?
In an SNR free bet, the sportsbook does not return the original free bet token amount with winnings. If you place a $50 SNR free bet at odds of 3.00, a winning wager returns $100 ($50 × (3.00 - 1)) rather than $150. Almost 95% of online sportsbook promotional free bets operate under the SNR rule.
How do you extract guaranteed cash from a free bet?
By matched betting: you place your free bet on an outcome at one sportsbook and place a mathematical hedge bet on the opposite outcome at a second bookmaker or betting exchange. The hedge stake is calibrated so you extract between 70% and 82% of the free bet face value as pure cash, regardless of who wins.
What is the formula for the optimal SNR hedge stake?
For an SNR free bet of value F at bookmaker odds O_A, hedged at opposite odds O_B, the optimal hedge stake is: Hedge Stake = (F × (O_A - 1)) / O_B. The guaranteed cash profit extracted is Hedge Stake × (O_B - 1) or F × (O_A - 1) - Hedge Stake.
Why do higher odds increase free bet conversion efficiency?
Because the lost stake component (1.00) represents a smaller fraction of the total return at higher odds. At odds 1.50, you lose 66% of the return to the lost stake. At odds 5.00, the lost stake is only 20% of the gross profit. Consequently, experienced matched bettors always place free bets at odds between 3.50 and 6.00.
What is a good conversion rate for a sports free bet?
Targeting a 70% to 80% conversion rate on SNR bets is standard industry practice. For a $100 free bet, a sharp bettor extracts $70 to $80 in cold hard cash with zero market risk.
How does the 1win sports bonus wagering requirement work?
1win utilizes a gradual unlocking mechanism: when you wager real money on single sporting events with odds of 3.00 or higher, an additional 5% of the wager amount is automatically transferred from your bonus balance directly into your withdrawable real cash balance upon winning.