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 Cuban announce a run for President of the United States in 2028?
9%
– 0.0pt
Vol $0 today · $1.1K total
Possibly the same event, on the other platform
Polymarket
Will Mark Cuban win the 2028 Democratic presidential nomination?
0%
Polymarket
Will Rahm Emanuel win the 2028 US Presidential Election?
1%
Polymarket
Will Ted Cruz win the 2028 US Presidential Election?
1%
Polymarket
Will Donald Trump win the 2028 US Presidential Election?
1%
Polymarket
Will Gretchen Whitmer win the 2028 US Presidential Election?
0%
Polymarket
Will Elon Musk win the 2028 US Presidential Election?
0%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.