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CA-40 House winner?
kalshi

CA-40 House winner?

Volume:
$27,635

Republican party

 - Kalshi

Republican party - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jun 30, 2026

Closed: Jun 30, 2:15 PM EST

kalshi

Kalshi

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Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Republican party

View
100%
Yes 100¢No 0¢
100¢
N/A
$17,463
N/A
N/A
$5,140
3mo 1w
Yes
kalshi

Democratic party

View
0%
Yes 0¢No 100¢
100¢
N/A
$10,171
N/A
N/A
$2,727
3mo 1w
No
Total markets: 2

Intro

This market tracks which party will hold California's 40th House seat when the new representative is sworn in for the 2027 term. On Kalshi, the probability of a Republican winning the seat stands at 76.0%, with Democrats at 24.0%. Resolution will be determined by the party affiliation of the House member sworn in for CA-40 on January 4, 2027, according to official House records. Watch the general election results on Election Day 2026 for the initial signal of which party will control this seat in the incoming Congress.

Kalshi

Resolution is determined by the party affiliation of the House member sworn in for California's 40th district for the term beginning in 2027. The market resolves based on whether the elected representative is a member of the Democratic Party or the Republican Party.

Frequently asked questions

Prediction market odds on Kalshi often diverge from traditional polling because traders incorporate not only survey data but also fundraising, turnout models, historical voting patterns, and real-time campaign developments. While polls capture voter sentiment at a single moment, prediction markets reward accurate forecasts with financial incentives, attracting specialized analysts and domain experts. The CA-40 market reflects dynamic expectations that can shift faster than periodic poll releases. Comparing Kalshi odds to the latest polling average reveals whether traders are pricing in factors polls may lag in capturing.

The CA-40 House winner market resolves on Jan 4, 2027. Resolution is determined by the official result of the House election in California's 40th congressional district. The market will settle once the race is called and certified by relevant election authorities, confirming which candidate won the seat. Traders should monitor official election results and any recount or legal proceedings that may affect the final outcome determination.

Key catalysts for CA-40 odds include campaign announcements, debate performances, major endorsements, fundraising disclosures, and local media coverage. Shifts in statewide or national political momentum can also influence district-level expectations. Unexpected candidate withdrawals, scandals, or health issues may trigger sharp repricing. Polling releases specific to CA-40 often move the market, as do changes in voter registration or turnout forecasts. Election day itself and early voting trends will drive final adjustments as traders incorporate real-time voting data and exit polls closer to Jan 4, 2027.