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 the Democratic Party win the 2028 West Virginia House of Delegates District 57 election?
85%
▲ +2.5pt
Vol $0 today · $812 total
Possibly the same event, on the other platform
Polymarket
Will the Democrats win the 2028 US Presidential Election?
68%
Polymarket
Will the Democratic Party win the NC-03 House seat?
77%
Polymarket
Will the Democratic Party win the AZ-02 House seat?
5%
Polymarket
Will the Democratic Party win the CA-23 House seat?
6%
Polymarket
Will the Republicans win the 2028 US Presidential Election?
33%
Polymarket
Will J.B. Pritzker win the 2028 Democratic presidential nomination?
1%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.