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

91.3%
Consensus Probability (Model B — Geometric Mean of Odds)
2 platforms · 14pp spread · $27K

Across 2 prediction market platforms, "Will Lindsey Graham be the Republican nominee for Senate in South Carolina?" has a consensus probability of 91.3%. Polymarket: 82.0%, Predictit: 96.0%. 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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82%
$27K
Predictit
View →
96%
Probability Over Time
All 6 Consensus Models
Market Details
Polymarket
Updated 16m ago
Volume
$27K
Liquidity
$20K
Bid / Ask
81.0% / 83.0%
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 21d 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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