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
Will the Republican Party win the NC-03 House seat?
26%
Polymarket
Will the Republican Party win the NV-02 House seat?
1%
Polymarket
Will the Republican Party win the NC-13 House seat?
0%
Polymarket
Will the Republican Party win the NJ-02 House seat?
1%
Polymarket
Will the Republican Party win the VA-05 House seat?
96%
Polymarket
Will the Republican Party win the NY-17 House seat?
1%
Change ×
Will the Republican Party win the 2028 Washington House District 14, Position 2 election?
26%
– 0.5pt
Vol $0 today · $0 total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.