Polymarket$3.04BOIOpen interest: sum of pool liquidity across all active markets, reported by the Polymarket API.
Kalshi$356.20MOIOpen interest: total contracts outstanding across all active markets, reported by the Kalshi API.
Limitless$24.17MOIOpen interest: estimated from total volume traded (USDC). Limitless does not report a separate OI metric.
Updated Today
If USA wins the USA vs Australia professional FIFA World Cup soccer game originally scheduled for Jun 19, 2026 after 90 minutes plus stoppage time (does not include extra time or penalties), then the market resolves to Yes.
As of March 18, 2026, the Kalshi odds for USA vs Australia Winner? are: USA: 76%, Tie: 44%, Australia: 12%. These probabilities are derived from real-money trading and update in real time.
USA vs Australia Winner? 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.
