Will the Republican Party win the CA-30 House seat?

Prediction markets currently give a 7% probability that Will the Republican Party win the CA-30 House seat?. This contract trades at 7¢ on Polymarket, closing November 3, 2026. This market shows extreme illiquidity with zero 24-hour volume despite $17k open interest, suggesting the 7¢ price may not reflect genuine market consensus but rather stale positioning.

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7¢
Bid/Ask 6/7¢·Spread 1¢·Vol $0·OI $35,150.128·Closes Nov 3, 2026·195d remaining
0x305a014d41d1000487ce93fb84872132e81c1f9a1dd90b1c3d9585de1884537c

Analysis

4d ago

This market shows extreme illiquidity with zero 24-hour volume despite $17k open interest, suggesting the 7¢ price may not reflect genuine market consensus but rather stale positioning. The 2425.6% implied yield on the Yes side is extraordinarily high and inversely correlated with the negligible 7% probability, indicating either deep mispricing or that the position is essentially trapped with no exit liquidity. With 200 days to expiry and a neutral regime score, this appears to be a low-conviction, low-activity market where the Republican underdog price may be artificially depressed by illiquidity rather than fundamentals about CA-30's Democratic lean.

Resolution rules

This market will resolve according to the party of the candidate who wins the CA-30 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 2026. ​A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources. This market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).

Indicators

IY (Yes) 2484.9%
IY (No) 14.1%
Adj IY 1242%
CRI 13
▶ Full indicator table (4)
IndicatorValue
IY (Yes)2484.9%
IY (No)14.1%
Adj IY1242%
CRI13

Regime

Label
neutral
Score
0.5
Spread
1¢
Computed
4/21/2026, 8:29:01 PM
Indicators computed 4/21/2026, 8:23:18 PM

Trade

View on polymarketsf trade 0x305a014d41d1000487ce93fb84872132e81c1f9a1dd90b1c3d9585de1884537c yes 100

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