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 Jensen Huang leave as Nvidia CEO before Jan 1, 2027?
21%
Kalshi
Will Jensen Huang be the world's second trillionaire?
9%
Kalshi
Will Jensen Huang leave as Nvidia CEO before Jul 1, 2027?
32%
Kalshi
Will Jensen Huang leave as Nvidia CEO before Jan 1, 2028?
39%
Kalshi
Will Jensen Huang leave as Nvidia CEO before Jan 1, 2029?
53%
Kalshi
Will Jensen Huang leave as Nvidia CEO before Jan 1, 2033?
52%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.