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Will Lindsey Graham be the Republican nominee for Senate in South Carolina?

99.0%
Consensus Probability (Model A — Inverse-Variance Log-Odds)
2 platforms · 0pp spread · $54K

Across 2 prediction market platforms, "Will Lindsey Graham be the Republican nominee for Senate in South Carolina?" has a consensus probability of 99.0%. Polymarket: 86.0%, Predictit: 99.0%. Consensus via geometric mean of odds (Satopaa et al., 2014), validated by IARPA ACE tournament.

Platform Comparison — white line = consensus
Polymarket
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86%
$54K
Predictit
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99%
Probability Over Time
All 4 Consensus Models
Market Details
Polymarket
Updated 26d ago
Volume
$54K
Liquidity
$14K
Bid / Ask
85.0% / 87.0%
Spread
2.0%
Opened
Apr 2026
Resolves
Jul 2026
This market will resolve according to the winner of the Republican Primary for United States Senator from South Carolina. If no 2026 South Carolina Republican Senate Primary takes place, this market will resolve to "Other". The resolution source for this market will be the firs…
Predictit
Updated 2h ago
Volume
Liquidity
Bid / Ask
— / —
Spread
Opened
Apr 2026
Resolves

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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