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 win the 2028 United States vice presidential election?
13%
Kalshi
Who will win the 2028 United States vice presidential election?
4%
Kalshi
Who will win the 2028 United States vice presidential election?
4%
Kalshi
Who will win the 2028 United States vice presidential election?
2%
Kalshi
Who will win the 2028 United States vice presidential election?
1%
Kalshi
Who will win the 2028 United States vice presidential election?
2%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.