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 the Democratic party win the House, the Democratic party win the Senate, and the Democratic party win the Presidency?
48%
▼ 1.5pt
Vol $2 today · $125.4K total
Possibly the same event, on the other platform
Polymarket
Will there be a Hormuz agreement and the Democrats win the Senate?
4%
Polymarket
Will there be a Hormuz agreement and the Democrats win the Senate?
11%
Polymarket
Will the Democrats win the Texas Senate race in 2026?
63%
Polymarket
Will J.B. Pritzker win the 2028 Democratic presidential nomination?
1%
Polymarket
Will Raphael Warnock win the 2028 Democratic presidential nomination?
2%
Polymarket
Will James Talarico win the 2028 Democratic presidential nomination?
3%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.