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Markets/Will the Republican Party win the popular vote in the 2026 U.S. House of Representatives midterm elections by between 2% and 4%?
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Will the Republican Party win the popular vote in the 2026 U.S. House of Representatives midterm elections by between 2% and 4%?

Closes November 3, 2026

Cross-venue entity

Polymarket Price

11%YES
89%NO

Volume 24h

$30

Liquidity

$6K

Bid / Ask

6% / 16%

Spread

10.00pp

Expert Signal

11%

Bayesian YES estimate

vs market+0.0pp
confidence21%
methodensemble

✦ AI Analysis

Synthesizes price, cross-venue gaps, Bayesian edge, and event context into a concise brief.

Price History

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Price History

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Order Book (YES)

Expected Value Calculator

%
1%Market: YES 11%99%
Buy YES@ 11¢

+0.0%

EV per $ wagered

Buy NO@ 89¢

+0.0%

EV per $ wagered

Your estimate matches the market price — no edge on either side.

EV = return on investment if your probability is correct. Kelly = optimal bankroll fraction (½ Kelly is a common conservative choice). Fees not included.

Backtest Strategy

50%

Enter when YES price ≤ this

Research Summary

Prediction markets currently price "Will the Republican Party win the popular vote in the 2026 U.S. House of Representatives midterm elections by between 2% and 4%?" at 11% YES / 89% NO. In the last 24 hours, $30 has been traded. A Bayesian estimate puts the probability at 11%. The bid-ask spread is 10.00 percentage points. The market closes on November 3, 2026.

Cite this snapshot

ForecastMind (2026-03-21). "Will the Republican Party win the popular vote in the 2026 U.S. House of Representatives midterm elections by between 2% and 4%?." Prediction market snapshot: YES 11%, NO 89%. Retrieved from https://forecastmind.org/markets/1395460