Will Renan Santos win the 2026 Brazilian presidential election?

Prediction markets currently give a 6% probability that Will Renan Santos win the 2026 Brazilian presidential election?. This contract trades at 6¢ on Polymarket, closing October 4, 2026. This market shows extreme mispricing with a 3,365% implied yield on the "Yes" side, suggesting Santos is dramatically undervalued at 6¢ or the market is pricing in near-zero probability despite him being a legitimate candidate.

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6¢
Bid/Ask 6/6¢·Spread 0¢·Vol $14,994.323·OI $168,576.425·Closes Oct 4, 2026·165d remaining
0x05297f854d3b757d5e51a1a29c7f225a80b14b2a161d6b7f9a61677da7a80ced
7-day price59 snapshots · 131 regime
7¢6¢ current
Apr 126¢Apr 21

Analysis

4d ago

This market shows extreme mispricing with a 3,365% implied yield on the "Yes" side, suggesting Santos is dramatically undervalued at 6¢ or the market is pricing in near-zero probability despite him being a legitimate candidate. The massive volatility (1,398% realized) and high cliff risk index (16) indicate sharp price swings are common, while the zero spread and $168k open interest suggest reasonable liquidity despite the tiny position size. With 170 days to expiry and a neutral regime, this appears to be a speculative long-shot bet where either Santos's actual viability is being severely discounted or the market is correctly identifying him as an extreme longshot in a crowded field.

Resolution rules

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/).

Indicators

IY (Yes) 3466.4%
IY (No) 14.1%
Adj IY 1733%
CRI 16
Overround -0.1%
LAS 0.00
▶ Full indicator table (6)
IndicatorValue
IY (Yes)3466.4%
IY (No)14.1%
Adj IY1733%
CRI16
Overround-0.1%
LAS0.00

Regime

Label
neutral
Score
0.341
Spread
0¢
Computed
4/22/2026, 12:57:45 AM
Observability lowEvent type political
Has orderbookIndicators computed 4/22/2026, 12:53:18 AM

Trade

View on polymarketsf trade 0x05297f854d3b757d5e51a1a29c7f225a80b14b2a161d6b7f9a61677da7a80ced yes 100

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