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
Will Donald Trump announce a run for President of the United States before Jan …
6%
Kalshi
Mike Norvell out before Jan 1, 2027
69%
Kalshi
Will Trump impose martial law before Jan 1, 2027?
27%
Kalshi
Will Trump, Zelenskyy and Putin meet together before Jan 1, 2027?
15%
Kalshi
Will Trump, Xi and Putin meet together before Jan 1, 2027?
54%
Kalshi
Will Donald J. Trump be the nominee for the Presidency for the Republican party?
2%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.