HomePolitics › Will the Republican Party hold exactly...

Will the Republican Party hold exactly 52 Senate seats after the 2026 midterm elections?

6.8%
Consensus Probability (Model B — Geometric Mean of Odds)
1 platforms · 0pp spread · $505K

Across 1 prediction market platform, "Will the Republican Party hold exactly 52 Senate seats after the 2026 midterm elections?" has a consensus probability of 6.8%. Polymarket: 6.8%. Consensus via geometric mean of odds (Satopaa et al., 2014), validated by IARPA ACE tournament.

Platform Comparison — white line = consensus
Polymarket
View →
7%
$505K
Probability Over Time
Market Details
Polymarket
Updated 10m ago
Volume
$505K
Liquidity
$17K
Bid / Ask
5.6% / 8.0%
Spread
2.4%
Opened
Apr 2026
Resolves
—
The 2026 midterm elections are scheduled to be held on November 3, 2026. This market will resolve according to the number of seats held by the Republican Party in the US Senate as a result of the 2026 midterm elections. This market will resolve based on the results of all Senat…

About This Consensus

Computed from 1 platform 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 →

Odds Raven

The only prediction market aggregator with academically validated cross-platform consensus.

© 2026 Odds Raven · Data refreshed every 6 hours · peer-reviewed methodology