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 Mark Kelly win the 2028 US Presidential Election?
1%
– 0.0pt
Vol $870 today · $789.3K total
Possibly the same event, on the other platform
Kalshi
Will Mark Kelly be the Democratic Presidential nominee in 2028?
4%
Kalshi
Will Mark Cuban announce a run for President of the United States in 2028?
7%
Kalshi
Will Mark Cuban be the Democratic Presidential nominee in 2028?
1%
Kalshi
Will Andrew Yang announce a run for President of the United States in 2028?
9%
Kalshi
Will Jon Stewart announce a run for President of the United States in 2028?
8%
Kalshi
Will Larry Hogan announce a run for President of the United States in 2028?
7%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.