SportsOddsas of Jul 29
Aidan Mayo vs James Duckworth
Price history
Implied probability over timeOutcome
Side
Platforms (max 3)
KalshiPolymarket
Where to back James Duckworth
Every independent platform that prices this outcome, best price after fees first. The buttons are affiliate links — we may earn a commission if you sign up, and it never changes the odds you see or what you pay.
James Duckworth56%no entry fee · commission on winnings
Volume—
Min · fees£10 · 2% commission
James Duckworth61%no entry fee
Volume$4K
Min · feesNone · No trading
James Duckworth61%no entry fee · commission on winnings
Volume€512
Min · fees£10 · 2% commission
James Duckworthafter fees63%61% price + 1.7% entry fee
Volume$45K
Min · feesNone · Per-contract trading
James Duckworth65%no entry fee · commission on winnings
Volume—
Min · feesNone · Small fee
Ranked by the effective price after each platform's own entry fee. Fees shown are each platform's own and may change — we don't set or control them. Betting exchanges (e.g. Matchbook, Smarkets) instead charge commission on winnings, so they stay at their raw price here.
Implied probability by platform
Lowest raw implied price per outcome in gold · click a row| Outcome | Kalshi | MMatchbook | Polymarket | Smarkets | SX Bet |
|---|---|---|---|---|---|
| Aidan Mayo | 41% | 39% | 40% | 39% | 42% |
| James Duckworth | 61% | 61% | 61% | 56% | 65% |
These are raw implied probabilities; gold marks the lowest raw price. The Best odds above ranks by the price after each platform's entry fee, so the best place to trade can differ from the lowest raw number here.