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Will Nathan Sage be the Democratic nominee for Senate in Iowa?

0.2%
Consensus Probability (Model B — Geometric Mean of Odds)
2 platforms · 0pp spread · $4K

Across 2 prediction market platforms, "Will Nathan Sage be the Democratic nominee for Senate in Iowa?" has a consensus probability of 0.2%. Polymarket: 0.4%. Consensus via geometric mean of odds (Satopaa et al., 2014), validated by IARPA ACE tournament.

Platform Comparison — white line = consensus
Polymarket
View →
0%
$4K
Predictit
View →
0%
Probability Over Time
All 6 Consensus Models
Market Details
Polymarket
Updated 3h ago
Volume
$4K
Liquidity
$4K
Bid / Ask
0.3% / 0.4%
Spread
0.1%
Opened
Apr 2026
Resolves
Jun 2026
This market will resolve according to the winner of the Democratic Primary for United States Senator from Iowa. If no 2026 Iowa Democratic Senate Primary takes place, this market will resolve to "Other". The resolution source for this market will be the first announcement of th…
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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