Will the Republican Party win the CA-38 House seat?

Prediction markets currently give a 7% probability that Will the Republican Party win the CA-38 House seat?. This contract trades at 7¢ on Polymarket, closing November 3, 2026. The Republican contract at 7¢ reflects an extremely low probability of GOP success in CA-38, with a staggering 2,425% implied yield on the Yes side compared to just 13.7% on the No side, indicating severe mispricing potential if Republicans perform better than expected.

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7¢
Bid/Ask 6/7¢·Spread 1¢·Vol $0·OI $56,031.302·Closes Nov 3, 2026·195d remaining
0xb44a6322269d5ea20f28bcd63221bf06a2ee8d89061fa3e4e22e9bb43880bf61

Analysis

4d ago

The Republican contract at 7¢ reflects an extremely low probability of GOP success in CA-38, with a staggering 2,425% implied yield on the Yes side compared to just 13.7% on the No side, indicating severe mispricing potential if Republicans perform better than expected. The market shows minimal liquidity ($2.14 in 24h volume against $33.8k open interest) and a tight 1¢ spread, suggesting limited trading activity despite the high-yield opportunity, which may explain why the contract hasn't attracted more speculative capital. With 200 days to expiry and a neutral regime score, this appears to be a heavily Democratic-favored district where the market is pricing in near-certainty of Democratic retention, though the extreme yield differential warrants scrutiny into whether this reflects genuine fundamentals or thin-market distortion.

Resolution rules

This market will resolve according to the party of the candidate who wins the CA-38 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) 2487.2%
IY (No) 14.1%
Adj IY 1244%
CRI 13
▶ Full indicator table (4)
IndicatorValue
IY (Yes)2487.2%
IY (No)14.1%
Adj IY1244%
CRI13

Regime

Label
neutral
Score
0.5
Spread
1¢
Computed
4/22/2026, 12:48:36 AM
Indicators computed 4/22/2026, 12:38:18 AM

Trade

View on polymarketsf trade 0xb44a6322269d5ea20f28bcd63221bf06a2ee8d89061fa3e4e22e9bb43880bf61 yes 100

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