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
Polymarket
Iran leadership change by June 30, 2027?
25%
Polymarket
Russia x Ukraine ceasefire agreement by June 30, 2027?
56%
Polymarket
Putin out as President of Russia by June 30, 2027?
10%
Polymarket
Will the Fed decrease interest rates by 50+ bps after the January 2027 meeting?
1%
Polymarket
Will the Fed increase interest rates by 25 bps after the January 2027 meeting?
40%
Polymarket
Will there be no change in Fed interest rates after the January 2027 meeting?
56%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.