Will the Democratic Party win the CA-27 House seat?

Prediction markets currently give a 90% probability that Will the Democratic Party win the CA-27 House seat?. This contract trades at 90¢ on Polymarket, closing November 4, 2026.

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90¢
Bid/Ask 88/91¢·Spread 3¢·Vol $0·OI $2,200.166·Closes Nov 4, 2026·196d remaining
0xa3a67d6cd09d2b3af055b057ef25742dd3806cddb861b2e32cd1e76639266a4f
7-day price669 snapshots · 2 regime
90¢90¢ current
Apr 876¢Apr 21

Resolution rules

This market will resolve according to the party of the candidate who wins the CA-27 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) 20.7%
IY (No) 1674.8%
Adj IY 1675%
CRI 9
RV 527%
VR 10.68
▶ Full indicator table (7)
IndicatorValue
IY (Yes)20.7%
IY (No)1674.8%
Adj IY1675%
CRI9
RV527%
VR10.68
IAR2.2/h

Regime

Label
neutral
Score
0.477
Spread
3¢
Computed
4/21/2026, 8:41:10 PM
Observability mediumEvent type political
Indicators computed 4/21/2026, 8:38:18 PM

Trade

View on polymarketsf trade 0xa3a67d6cd09d2b3af055b057ef25742dd3806cddb861b2e32cd1e76639266a4f yes 100

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