Polymarket$3.29BOIOpen interest: sum of pool liquidity across all active markets, reported by the Polymarket API.
Kalshi$404.59MOIOpen interest: total contracts outstanding across all active markets, reported by the Kalshi API.
Limitless$27.64MOIOpen interest: estimated from total volume traded (USDC). Limitless does not report a separate OI metric.
Updated Today
If Darian Mensah wins the College Football Heisman Trophy in the 2026-2027 college football season, then the market resolves to Yes.
As of March 18, 2026, the Kalshi odds for Who will win Heisman Trophy? are: Arch Manning: 16%, CJ Carr: 11%, Trinidad Chambliss: 9%, Josh Hoover: 8%, Julian Sayin: 7%. These probabilities are derived from real-money trading and update in real time.
Who will win Heisman Trophy? is currently available on Kalshi. Check PredictMarketCap for cross-platform availability as new markets are added regularly.
Prediction market odds reflect the aggregate opinion of traders who risk real money on outcomes. The price of a share (e.g., 65¢) represents the market's implied probability (65%). Prices move as traders buy and sell based on new information, polls, and analysis.
