Polymarket$3.08BOIOpen interest: sum of pool liquidity across all active markets, reported by the Polymarket API.
Kalshi$380.07MOIOpen interest: total contracts outstanding across all active markets, reported by the Kalshi API.
Limitless$24.19MOIOpen interest: estimated from total volume traded (USDC). Limitless does not report a separate OI metric.
Updated Today
As of March 18, 2026, the Polymarket odds for Elon Musk musk # tweets in March 2026? are: 1400+: 38%, 1280-1319: 16%, 1360-1399: 12%, 1320-1359: 10%, 1240-1279: 7%. These probabilities are derived from real-money trading and update in real time.
Elon Musk musk # tweets in March 2026? is currently available on Polymarket. 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.
