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 Elissa Slotkin be the nominee for the Vice Presidency for the Democratic party?
9%
▲ +0.7pt
Vol $264 today · $146K total
Possibly the same event, on the other platform
Polymarket
Will Elissa Slotkin win the 2028 Democratic presidential nomination?
0%
Polymarket
Will J.B. Pritzker win the 2028 Democratic presidential nomination?
2%
Polymarket
Will Andrew Yang win the 2028 Democratic presidential nomination?
0%
Polymarket
Will James Talarico win the 2028 Democratic presidential nomination?
2%
Polymarket
Will Wes Moore win the 2028 Democratic presidential nomination?
2%
Polymarket
Will Kamala Harris win the 2028 Democratic presidential nomination?
6%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.