Compare NCAA Division I Men's Basketball Tournament 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 $3.77M in combined trading volume across 13 outcomes, this is one of the most actively traded cross-platform prediction markets.
| Outcome |  Kalshi |  Polymarket | Spread |
|---|---|---|---|
G Gonzaga wins by over 7.5 Points | - | - | |
G Gonzaga wins by over 4.5 Points | 99%+6.0 |
| - |
| - |
G Gonzaga wins by over 31.5 Points | - | - |
G Gonzaga wins by over 37.5 Points | - | - |
G Gonzaga wins by over 25.5 Points | - | - |
G Gonzaga wins by over 28.5 Points | - | - |
G Gonzaga wins by over 13.5 Points | - | - |
G Gonzaga wins by over 16.5 Points | - | - |
G Gonzaga wins by over 10.5 Points | - | - |
G Gonzaga wins by over 34.5 Points | - | - |
G Gonzaga Bulldogs (wins by 22+) | - | - |
G Gonzaga wins by over 19.5 Points | - | - |
 Yes | - | - |
