27 free tools for sports bettors and prediction-market traders. Basic to pro — same layout, client-side math, no tracking, no signup. The 🦄 set is unique to OddsBridge.
Underpriced picks vs the no-vig fair median across PM × Kalshi × 60+ books (US, UK, EU, AU). Cross-venue peer-set the others can't compute.
Markets where the cross-platform combo of best prices barely leaves margin. PM + Kalshi included = tighter than SB-only scanners.
PM ↔ SB middles — stacking a discrete PM contract against a continuous SB spread. Only platform that does this.
Cross-venue parlays: mix PM, Kalshi and book legs in the same slip at best available odds. OJ/BH can only stack within one book.
Route the hedge leg via PM / Kalshi at 0-1% vig instead of 5%+ SB hold. Keep 30-50% more of every bonus.
Events where platforms disagree most. Live mispricing signal across PM × Kalshi × books.
The only calculator that triangulates PM, Kalshi and sportsbooks into a consensus fair price with confidence + divergence signal.
Hedge an open bet via PM / Kalshi to lock more profit than an SB×SB hedge.
Split a $5k+ arb between PM, Kalshi and sportsbooks based on depth + stake limits.
UMA dispute risk + expected resolution latency on a Polymarket market. Only product addressing the $150M BTC PM dispute.
Matched-betting via Polymarket / Kalshi (1% vig) instead of classic SB (5%+).
Replay historical cross-platform tick data against your strategy. Coming when the dataset reaches 30 days.
Convert between decimal, American, fractional odds, and prediction-market prices.
Strip the bookmaker margin to reveal the true probabilities and fair odds.
Compute the bookmaker margin (vigorish) on a 2- or 3-way market.
Total margin of a market — the lower the hold, the more competitive the book.
Profit/loss of a middle (two sides of a spread at different lines).
Moneyline 1X2 ↔ equivalent point spread conversion. NFL / NBA / CFB / MLB.
Value of buying or selling a half point on an NFL/NBA spread.
1X2, BTTS, Over/Under and exact-score probabilities from the two teams' xG.
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