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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Democratic 2028 presidential odds hit 80% by March 31?
6%
▼ 44.5pt
Vol $40 today · $40 total
Possibly the same event, on the other platform
Kalshi
Will the Democratic Party win the 2028 Wisconsin Assembly District 31 election?
4%
Kalshi
Will the Democratic Party win the 2028 Wisconsin Assembly District 80 election?
97%
Kalshi
Will the Democratic Party win the 2028 Washington House District 31, Position 1…
32%
Kalshi
Will the Democratic Party win the 2028 Washington House District 31, Position 2…
32%
Kalshi
Will the Democratic party win the Presidency in 2032?
49%
Kalshi
Will the Democratic Party win the 2028 West Virginia House of Delegates Distric…
4%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.