Polymarket vs. Kalshi
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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 the Democratic party win the House, the Democratic party win the Senate, a…
49%
Kalshi
Will Democratic win the Presidency in 2028?
59%
Kalshi
Will the Democratic party win the House in 2028?
76%
Kalshi
Will the Democratic party win the governorship in Montana
10%
Kalshi
Will the Republican party win the House, the Republican party win the Senate, a…
14%
Kalshi
Will the Democratic party win the governorship in New Hampshire
5%
Change ×
Will there be a Hormuz agreement and the Democrats win the Senate?
5%
▲ +2.5pt
Vol $51.4K today · $345.5K total
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.