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 Kamala Harris win the California Governor Election in 2026?
0%
– 0.0pt
Vol $0 today · $1.6M total
Possibly the same event, on the other platform
Kalshi
Will Kamala Harris be first this list to declare for 2028 United States preside…
9%
Kalshi
Will Kamala Harris be first this list to declare for 2028 United States preside…
3%
Kalshi
Who will win the next presidential election?
1%
Kalshi
Who will win the next presidential election?
21%
Kalshi
Who will win the next presidential election?
10%
Kalshi
Who will win the next presidential election?
9%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.