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Will the Democrats win the New Hampshire Senate race in 2026?

83.2%
Consensus Probability (Model A — Inverse-Variance Log-Odds)
2 platforms · 4pp spread · $17K

Across 2 prediction market platforms, "Will the Democrats win the New Hampshire Senate race in 2026?" has a consensus probability of 83.2%. Polymarket: 82.0%, Manifold: 86.2%. 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%
$17K
Manifold
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86%
11 traders
Probability Over Time
All 4 Consensus Models
Market Details
Polymarket
Updated 12d ago
Volume
$17K
Liquidity
$9K
Bid / Ask
81.0% / 83.0%
Spread
2.0%
Opened
Apr 2026
Resolves
This market will resolve according to the winner of the 2026 midterm New Hampshire U.S. Senate election, inclusive of any run-offs. A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question. Candidates other than the…
Manifold
Updated 53m ago
Volume
Liquidity
Bid / Ask
— / —
Spread
Opened
Apr 2026
Resolves
Nov 2026

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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