Every tool you need to price a bet: convert odds, strip the vig, size your bets, hedge, and squeeze full value out of promos.
Convert between American, decimal, and fractional odds and implied probability.
Turn Kalshi and Polymarket cent prices into sportsbook odds.
Strip the bookmaker's margin out of a market to find the fair price.
See how much margin a book has built into a two-sided market.
Turn a stat projection into over/under probabilities and fair odds.
Compute the average profit of a bet given its true win probability.
Size your bets optimally based on your edge and bankroll.
Measure whether you beat the market's final price on your bets.
Split your stake across two books for a guaranteed profit.
Lock in profit on an open bet by betting the other side.
Price a middle: small risk for a shot at cashing both sides.
Turn a bonus bet into guaranteed cash by hedging it.
Extract guaranteed profit from 'first bet insurance' promos.
Combine legs into one bet and see the true combined odds and payout.
Break a set of legs into every smaller parlay combination.
Find the implied odds hidden inside DFS alt-pick multipliers.
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