Polymarket vs. Kalshi
Compare markets
See where the two biggest prediction markets disagree. Pick any two markets, or start from the biggest gaps below: prices, volume, history and the resolution rules, side by side.
Possibly the same event, on the other platform
Kalshi
Who will Time name as Person of the Decade?
9%
Kalshi
Will Elon Musk visit Mars before Aug 1, 2099?
11%
Kalshi
Who will Time name as Person of the Decade?
34%
Kalshi
Who will Time name as Person of the Decade?
36%
Kalshi
Who will Time name as Person of the Decade?
36%
Kalshi
Who will Time name as Person of the Decade?
13%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.