Will the Democratic Party win the CA-17 House seat?

Prediction markets currently give a 95% probability that Will the Democratic Party win the CA-17 House seat?. This contract trades at 95¢ on Polymarket, closing November 3, 2026. The Democratic favorite in CA-17 is priced at an extreme 95¢ with a massive 3,468% implied yield on the No side, indicating severe mispricing or illiquidity concerns despite $23.6M in open interest.

██████████████████████████████████████░░
95¢
Bid/Ask 95/95¢·Spread 0¢·Vol $0·OI $25,574.665·Closes Nov 3, 2026·195d remaining
0xe48ec558426e04ba3645d3c74d4324a4b6eb2415e05d86d65c3181cb16184e73

Analysis

4d ago

The Democratic favorite in CA-17 is priced at an extreme 95¢ with a massive 3,468% implied yield on the No side, indicating severe mispricing or illiquidity concerns despite $23.6M in open interest. The 0¢ spread and minimal $31.2 daily volume suggest this market lacks active two-sided trading, making the quoted price potentially unreliable for actual execution. With 200 days to expiration and a Cliff Risk Index of 19, the market appears vulnerable to significant repricing as the 2026 election approaches and campaign dynamics crystallize.

Resolution rules

This market will resolve according to the party of the candidate who wins the CA-17 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 (No) 3553.5%
Adj IY 1777%
CRI 19
▶ Full indicator table (4)
IndicatorValue
IY (Yes)9.8%
IY (No)3553.5%
Adj IY1777%
CRI19

Regime

Label
neutral
Score
0.5
Spread
0¢
Computed
4/21/2026, 8:20:55 PM
Indicators computed 4/21/2026, 8:08:17 PM

Trade

View on polymarketsf trade 0xe48ec558426e04ba3645d3c74d4324a4b6eb2415e05d86d65c3181cb16184e73 yes 100

Related concepts

Related Prediction Market Questions