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Will Michelle Bolsonaro win the 2026 Brazilian presidential election?

KalshiPolymarket ✓ Verified same-resolution Closes Oct 4, 2026
LIVE PRICES — YES
KalshiTrade ↗
last
BidAsk
YES
NO91¢97¢
$2,065 volume
PolymarketBEST YES PRICETrade ↗
last
BidAsk
YES
NO98¢98¢
$9,088,655 volume
Cross-venue spread 5.1¢· active arbitrage window
CROSS-VENUE ARBITRAGE

Buy YES on Polymarket and NO on Kalshi — total cost 99¢ per $1 payout, locking +1.1¢ per contract before fees.

30-DAY PRICE HISTORY
HOW THIS RESOLVES

Kalshi — primary rule

If Michelle Bolsonaro is announced to qualify for the runoff in the 2026 Brazilian presidential election, then the market resolves to Yes.

Polymarket — resolution criteria

A presidential election is scheduled to take place in Brazil on October 4, 2026. This market will resolve according to the listed candidate that wins this election. This market includes any potential second round. If the result of this election isn't known by June 30, 2027, 11:59 PM ET, the market will resolve to "Other". This market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the Brazilian government, specifically the Superior Electoral Court (Tribunal Superior Eleitoral, TSE) (e.g., https://dadosabertos.tse.jus.br/).

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STATS
Cross-venue spread5.1¢
Kalshi last
Polymarket last
Venues2
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