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.
Possibly the same event, on the other platform
Kalshi
Will the Republican Party win the 2028 Washington Senate District 24 election?
4%
Kalshi
Will the Democratic Party win the 2028 Washington Senate District 24 election?
95%
Kalshi
Will the Republican Party win the 2028 Washington House District 24, Position 1…
4%
Kalshi
Will the Democratic Party win the 2028 Washington House District 24, Position 1…
95%
Kalshi
Will the Republican Party win the 2028 Washington House District 24, Position 2…
4%
Kalshi
Will the Democratic Party win the 2028 Washington House District 24, Position 2…
95%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.