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 Republican Party win the 2028 Washington House District 13, Position 1 election?
97%
▲ +46.5pt
Vol $0 today · $0 total
Possibly the same event, on the other platform
Polymarket
Will the Republican Party win the NC-13 House seat?
56%
Polymarket
Will the Democratic Party win the NC-13 House seat?
46%
Polymarket
Will J.D. Vance win the 2028 Republican presidential nomination?
36%
Polymarket
Will the Republican Party win the NY-01 House seat?
81%
Polymarket
Will John N. Kennedy win the 2028 Republican presidential nomination?
0%
Polymarket
Will Brian Kemp win the 2028 Republican presidential nomination?
1%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.