Polymarket vs. Kalshi
Compare markets
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.
Change ×
Will the Democrats win the Iowa Senate race in 2026?
45%
▼ 1.5pt
Vol $35.4K today · $685.9K total
Possibly the same event, on the other platform
Kalshi
Will the Democratic Party win the 2028 Utah Senate District 2 election?
50%
Kalshi
Will the Democratic Party win the 2028 Utah Senate District 3 election?
50%
Kalshi
Will the Democratic Party win the 2028 Utah Senate District 4 election?
50%
Kalshi
Will the Democratic Party win the 2028 Utah Senate District 8 election?
50%
Kalshi
Will the Democratic Party win the 2028 Vermont Senate Caledonia election?
50%
Kalshi
Will the Democratic Party win the 2028 Vermont Senate Essex election?
50%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.