Live Odds · Updated October 24, 2026

CA-12 House Election Winner

As of October 24, 2026, 06:25 PM ET, Polymarket traders price Democratic Party at 96.0% in CA-12 House Election Winner — $48.0K traded so far.

Last updated October 24, 2026, 06:19 PM ET with live prices from Polymarket. 24h volume: $414.
Leading outcome
Democratic Party
96%
A 96.0% price implies roughly a 96-in-100 chance, set by traders risking real money.
7D −1.8 pts30D −1.8 pts
Democratic Party96.0%
Republican Party1.2%
Bid
94¢
Ask
98¢
Spread
3¢
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Range since January 28, 2026: 76.0% – 98.0% · Opened at 76.0%

Market facts

Event data
Event
CA-12 House Election Winner
Category
Politics, Elections, Nov 4 Elections, Midterms, House Elections, California Midterm, US Election
Scheduled end
November 03, 2026, 11:59 PM ET
Total volume
$48.0K
Volume (24h)
$414
Liquidity
$25.6K
Markets
8
Leading outcome
Democratic Party — 96.0%
Resolution source
https://www.fec.gov/

What is the current price?

Momentum & history

The leading outcome, Democratic Party, is priced at 96.0%.

Price changes for the leading market — past week: -1.8 pts; past month: -1.8 pts.

Since January 28, 2026, Democratic Party has traded between 76.0% and 98.0%. It opened at 76.0% and last traded at 96.0%.

DayClose
Oct 15, 202697.8%
Oct 16, 202697.8%
Oct 18, 202697.8%
Oct 19, 202697.8%
Oct 20, 202697.8%
Oct 23, 202696.0%
Oct 24, 202696.0%

Who is favored to win?

Outcomes

Democratic Party is favored at 96.0%.

OutcomePriceImplied probability24h changeVolumeVolume share
Democratic Party96¢96.0%—$27.4K57.2%
Republican Party1¢1.2%—$20.5K42.8%

See the full live book for this market on Polymarket

The leading market's spread is 3¢ (bid 94¢ / ask 98¢) — a tighter spread means cheaper round-trip trading.

How much has been traded?

Volume

$48.0K has been traded on this event in total, $414 of it in the last 24 hours, across 8 markets.

When does this market resolve?

Rules

This market is scheduled to end November 03, 2026, 11:59 PM ET.

This market will resolve according to the party of the candidate who wins the CA-12 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 3, 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/).

Resolution source: https://www.fec.gov/

What do the biggest traders hold?

Top holders

The largest current holder of the leading market holds 930 shares of No.

HolderOutcome heldSharesValue at current price
0xa5ef39c3…No930$37
Those-SkywalkYes862$827
Tame-RankYes432$414
Snappy-RoosterNo310$12
Straight-HuntingNo267$11
Belated-GlueNo100$4
Slight-LocomotiveYes61$59
Mellow-StrikeYes58$56
Best-MentorYes57$55
Impractical-IngrateYes57$55

What are the latest trades?

Tape
BUY No — $1.7K at 95.3%BUY Yes — $365 at 95.0%BUY Yes — $309 at 96.0%
TimeOutcomeSidePriceSize
Oct 23, 06:35 PM ETYesSELL0.3%$0
Oct 23, 06:35 PM ETYesSELL0.4%$1
Oct 23, 06:35 PM ETYesSELL0.6%$1
Oct 23, 05:35 PM ETYesSELL0.7%$0
Oct 23, 04:35 PM ETYesSELL1.8%$1
Oct 23, 04:35 PM ETYesSELL1.8%$1
Oct 23, 04:35 PM ETYesSELL1.9%$1
Oct 23, 04:35 PM ETYesSELL1.8%$1
Oct 23, 04:35 PM ETYesSELL2.0%$0
Oct 23, 04:35 PM ETYesSELL1.9%$1

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Frequently asked questions

FAQ

What are the odds of CA-12 House Election Winner?

As of October 24, 2026, 06:19 PM ET, the leading outcome is Democratic Party at 96.0%. Next is Republican Party at 1.2%. See the live book on Polymarket: https://polymarket.com/event/ca-12-house-election-winner?via=bro

How much money has been traded on CA-12 House Election Winner?

$48.0K in total volume, with $414 traded in the last 24 hours across 8 markets.

When does CA-12 House Election Winner end?

The market is scheduled to end November 03, 2026, 11:59 PM ET. It resolves based on https://www.fec.gov/.

What is the most likely outcome of CA-12 House Election Winner, according to Polymarket traders?

Democratic Party, priced at 96.0% as of October 24, 2026, 06:19 PM ET. Prices are implied probabilities backed by real-money trading.

Browse the live odds index, today's biggest movers, and Whale Watch for the largest positions.

⚠️ Not financial advice: odds swing hard on news. Never bet money you can't afford to lose, and always read a market's resolution rules before trading.

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