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 James Talarico win the 2028 Democratic presidential nomination?
3%
– 0.4pt
Vol $64.5K today · $11M total
Possibly the same event, on the other platform
Kalshi
Will James Talarico be the Democratic Presidential nominee in 2028?
3%
Kalshi
Will Lebron James be the Democratic Presidential nominee in 2028?
0%
Kalshi
Will J.B. Pritzker be the Democratic Presidential nominee in 2028?
3%
Kalshi
Will Josh Shapiro be the Democratic Presidential nominee in 2028?
5%
Kalshi
Will Jon Ossoff be the Democratic Presidential nominee in 2028?
13%
Kalshi
Will Rahm Emanuel be the Democratic Presidential nominee in 2028?
3%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.