Polymarket$3.48BOIOpen interest: sum of pool liquidity across all active markets, reported by the Polymarket API.
Kalshi$405.57MOIOpen interest: total contracts outstanding across all active markets, reported by the Kalshi API.
Limitless$27.80MOIOpen interest: estimated from total volume traded (USDC). Limitless does not report a separate OI metric.
Updated Today
As of March 19, 2026, the Polymarket odds for # of seats won by PPP in South Korea by-elections? are: 2: 40%, 3: 36%, 1: 10%, 0: 8%, 6+: 5%. These probabilities are derived from real-money trading and update in real time.
# of seats won by PPP in South Korea by-elections? 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.
