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 Flávio Bolsonaro win the second round of the 2026 Brazilian presidential election by 8–12%?
9%
▼ 1.9pt
Vol $184.2K today · $555.9K total
Possibly the same event, on the other platform
Kalshi
Who will win the next presidential election?
0%
Kalshi
Who will win the next presidential election?
3%
Kalshi
Who will win the next presidential election?
0%
Kalshi
Who will win the next presidential election?
9%
Kalshi
Who will win the next presidential election?
9%
Kalshi
Who will win the next presidential election?
1%
Informational only — not financial advice. Odds are mirrored from each platform and may lag the live order book.