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Who will be the Republican nominee for president in 2028? — Donald Trump, Sr

3.1%
Consensus Probability (Model A — Inverse-Variance Log-Odds)
2 platforms · 3pp spread · $18K

Across 2 prediction market platforms, "Who will be the Republican nominee for president in 2028? — Donald Trump, Sr" has a consensus probability of 3.1%. Manifold: 2.2%, Gemini: 5.0%. Consensus via geometric mean of odds (Satopaa et al., 2014), validated by IARPA ACE tournament.

Platform Comparison — white line = consensus
Manifold
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2%
754 traders
Gemini
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5%
$18K
Probability Over Time
All 4 Consensus Models
Market Details
Manifold
Updated 3h ago
Volume
Liquidity
Bid / Ask
— / —
Spread
Opened
Apr 2026
Resolves
Feb 2029
Gemini
Updated 3h ago
Volume
$18K
Liquidity
Bid / Ask
— / —
Spread
Opened
Apr 2026
Resolves
Nov 2028

About This Consensus

Computed from 2 platforms using geometric mean of odds (Satopaa et al., 2014). This method was validated by the IARPA ACE forecasting tournament as the most accurate probability aggregation technique. Full methodology →

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