Polymarket$3.04BOIOpen interest: sum of pool liquidity across all active markets, reported by the Polymarket API.
Kalshi$377.27MOIOpen interest: total contracts outstanding across all active markets, reported by the Kalshi API.
Limitless$24.18MOIOpen interest: estimated from total volume traded (USDC). Limitless does not report a separate OI metric.Compare SMU Mustangs vs. Opponent prediction market odds side by side across Kalshi, Polymarket. Platforms show similar odds, with an average spread of just 0.0pp. Close agreement often signals strong market consensus. With $531.5K in combined trading volume across 3 outcomes, this is one of the notable cross-platform prediction markets.
| Outcome | Kalshi | Polymarket | Spread |
|---|---|---|---|
S SMU Mustangs | 73%±0 | - | - |
 Yes | - | 51%— | - |
M |
29%+1.0 |
| - |
| - |
