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.
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Will there be a Hormuz agreement and the Democrats win the Senate?
5%
▲ +2.5pt
Vol $51.4K today · $345.5K total
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
6%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.