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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Polymarket Sports

P.J. Washington: Points O/U 14.5

37% – 0.5pt

Vol $196 today · $196 total

Market B

Possibly the same event, on the other platform

Kalshi Will the Republican Party win the 2028 Washington Senate District 14 election? 26% Kalshi Will the Democratic Party win the 2028 Washington Senate District 14 election? 73% Kalshi Will the Republican Party win the 2028 Washington House District 14, Position 1… 26% Kalshi Will the Democratic Party win the 2028 Washington House District 14, Position 1… 73% Kalshi Will the Republican Party win the 2028 Washington House District 14, Position 2… 26% Kalshi Will the Democratic Party win the 2028 Washington House District 14, Position 2… 73%

Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.