Polymarket$2.32BOIOpen interest: sum of pool liquidity across all active markets, reported by the Polymarket API.
Kalshi$350.67MOIOpen interest: total contracts outstanding across all active markets, reported by the Kalshi API.
Limitless$18.48MOIOpen interest: estimated from total volume traded (USDC). Limitless does not report a separate OI metric.
Updated Today
If The Fate Of Ophelia is the #2 song on the Billboard Hot 100 chart for March 28, 2026, then the market resolves to Yes.
As of March 17, 2026, the Kalshi odds for Billboard Hot 100 #2 on Mar 28, 2026 chart? are: Man I Need: 90%, I Just Might: 8%, Choosin' Texas: 3%, Golden: 2%. These probabilities are derived from real-money trading and update in real time.
Billboard Hot 100 #2 on Mar 28, 2026 chart? 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.
