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 price of Bitcoin is above 149999.99 by May 31, 2026 at 11:59PM ET, then the market resolves to Yes.
As of March 17, 2026, the Kalshi odds for When will Bitcoin hit $150k? are: Before June 2026: 5%, Before May 2026: 2%. These probabilities are derived from real-money trading and update in real time.
When will Bitcoin hit $150k? is currently available on Kalshi. It is also available on Polymarket — compare odds across both platforms on our cross-platform comparison page.
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.
