Tools
Stake and payout math for bonuses and matched betting.
Net value after fees and required spend — cards or cash bonuses.
Leave fees at $0 for no-annual-fee cards. Estimates only.
Split a bankroll across opposite outcomes for equalized return.
Use + for underdogs and − for favorites. Do not enter 0.
Size the hedge on your first promo wager so outcomes land near even.
Enter the opposite-side moneyline at your hedge book.
Turn a stake-not-returned free bet into near-certain cash.
Longer underdog odds raise conversion. Enter the opposite-side moneyline at your hedge book.
Edge when your win probability differs from the price.
Probability should be your true estimate, not implied odds.
Stake sizing from edge and bankroll. Many bettors use half Kelly.
Stress-test bankroll versus average bet size and edge.
Simplified constant-stake estimator. Not a guarantee.
Matched betting guide · Annual fee break-even · Glossary · Altro Complete
