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 Donald Trump win the 2028 Republican presidential nomination?
2%
– 0.0pt
Vol $11.5K today · $9.7M total
Possibly the same event, on the other platform
Kalshi
Will Donald J. Trump be the nominee for the Presidency for the Republican party?
2%
Kalshi
Will Donald J. Trump Jr. be the nominee for the Presidency for the Republican p…
3%
Kalshi
Will Donald J. Trump be the nominee for the Vice Presidency for the Republican …
3%
Kalshi
Will Donald J. Trump Jr. be the nominee for the Vice Presidency for the Republi…
4%
Kalshi
Will Eric Trump be the nominee for the Presidency for the Republican party?
0%
Kalshi
Will Ivanka Trump be the nominee for the Presidency for the Republican party?
1%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.