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
As of March 17, 2026, the Polymarket odds for Pro Baseball: 2026 National League Champion are: Los Angeles Dodgers: 42%, New York Mets: 12%, Philadelphia Phillies: 10%, Chicago Cubs: 9%, Atlanta Braves: 8%. These probabilities are derived from real-money trading and update in real time.
Pro Baseball: 2026 National League Champion is currently available on Polymarket. It is also available on Kalshi — 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.
