TOTAL VOLUME:

$134b

24H VOL:

$85,014,378

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,391,695,592

394,774

Markets across

30,069

events

MATCHED EVENTS:

2,615

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Elections
CA-11 House winner?
kalshi

CA-11 House winner?

Volume:
$12,247

Democratic party

 - Kalshi

Democratic party - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jun 30, 2026

Closed: Jun 30, 2:09 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

Democratic party

View
100%
Yes 100¢No 0¢
100¢
N/A
$4,579
N/A
N/A
$1,252
3mo 1w
Yes
kalshi

Republican party

0%
Yes 0¢No 100¢
100¢
N/A
$7,668
N/A
N/A
$4,465
3mo 1w
No
Total markets: 2

Intro

This market tracks which party will hold the House seat for California's 11th congressional district when the new term begins in 2027. On Kalshi, the Democratic outcome is priced at 97.0%, while the Republican outcome stands at 3.0%. Resolution will be determined by which party the sworn-in House member represents for the term beginning in 2027, according to official House records. Watch for the general election results on Election Day to see how the race unfolds before the January 4, 2027 swearing-in date.

Kalshi

If the House member sworn in for CA-11 for the term beginning in 2027 is a member of the Democratic Party, then the market resolves to Yes. If the House member sworn in for CA-11 for the term beginning in 2027 is a member of the Republican Party, then the market resolves to Yes.

Frequently asked questions

Prediction market odds on Kalshi often diverge from traditional polling averages because traders incorporate real-time information, campaign momentum, and fundraising data alongside public polls. While polls capture voter sentiment at a single moment, prediction markets aggregate continuous updates from participants who have financial incentives to forecast accurately. Comparing Kalshi odds to recent polling averages for CA-11 can reveal whether the market is pricing in factors polls may lag on, such as turnout expectations or late-breaking campaign events. This comparison helps identify whether the market view aligns with or diverges from conventional survey data.

The CA-11 House winner market resolves on Jan 4, 2027, following the general election for California's 11th Congressional District House seat. The outcome is determined by the official election results certified by California election authorities. Once the winner is declared and certified, the market settles based on whether the Republican candidate or a non-Republican candidate prevails. Traders holding positions in the winning outcome receive their payout, while those on the losing side forfeit their stake. Resolution occurs after all votes are counted and official results are confirmed.

Several catalysts could shift CA-11 House winner odds before Jan 4, 2027. Major campaign events such as candidate debates, endorsements from prominent figures, and fundraising announcements often trigger price movement. District-level polling releases, especially from high-quality pollsters, can significantly impact trader sentiment. National political developments, shifts in generic ballot polling, and changes in the broader political environment also influence local race expectations. Unexpected candidate statements, controversies, or campaign spending surges may prompt rapid repricing. Additionally, early voting and mail-in ballot return patterns in the final weeks can signal turnout trends that move the market closer to election day.