Kalshi vs Polymarket, contract by contract

The same event is often listed on both venues. Whether it is the same bet depends on the fine print — the settlement source, what happens if the data is late, how the number is rounded. These pages compare the venues' own published terms for every matched pair we track, using a deterministic rule check. Right now: 61 pairs, of which 4 verify as the same bet.

Regenerated from live venue data. No picks, no predictions — just what each venue says it will do.