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 Andy Beshear be the Democratic Presidential nominee in 2028?
5%
▼ 0.8pt
Vol $30.6K today · $6.9M total
Possibly the same event, on the other platform
Polymarket
Will Andy Beshear win the 2028 Democratic presidential nomination?
3%
Polymarket
Will J.B. Pritzker win the 2028 Democratic presidential nomination?
1%
Polymarket
Will Cory Booker win the 2028 Democratic presidential nomination?
1%
Polymarket
Will Mark Kelly win the 2028 Democratic presidential nomination?
2%
Polymarket
Will Gavin Newsom win the 2028 Democratic presidential nomination?
17%
Polymarket
Will Hunter Biden win the 2028 Democratic presidential nomination?
0%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.