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%
Closed: Jun 30, 2:12 PM EST
Kalshi
This market tracks whether a Democrat will win the House seat representing California's 29th congressional district in the 2027 term. On Kalshi, the Democratic candidate holds a leading probability of 96.0%, with the Republican candidate at 4.0%. Resolution will be determined by which party's member is sworn in for CA-29 when the new congressional term begins. Watch for the general election results on Election Day, as the outcome will directly determine which party's representative takes office on January 4, 2027.
The CA-29 House seat will resolve based on the party affiliation of the House member sworn in for the term beginning in 2027. Resolution occurs when either a Democratic Party member or Republican Party member is sworn in for this seat. Markets may be eligible for accelerated determination following a consensus projection by major media organizations.
On Kalshi, the CA-29 House winner market is priced as a binary contract: Will Republican win the House race for CA-29? On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders buy or sell shares at prices between 0 and 100 cents, where the price directly reflects the implied probability of a Republican victory. The current price reflects the collective belief of all active traders on the platform. As new information emerges—polling releases, endorsements, or campaign events—traders adjust their positions, moving the price up or down. Settlement occurs after the election result is officially certified.
The CA-29 House winner market resolves on Jan 4, 2027, following the general election. Resolution is determined by the official result certified by California election authorities for the House seat representing the 29th congressional district. The market will settle based on which candidate receives the most votes and is declared the winner by state officials. Traders should monitor official election results and any recount or legal proceedings that may affect the final certification timeline.
Key catalysts for CA-29 include major polling releases showing shifts in voter preference, campaign spending announcements, debate performances, endorsements from high-profile figures, and turnout-driving events. Demographic or economic news affecting the district, candidate gaffes or scandals, and late-breaking legislative votes can also sway trader sentiment. National political developments—such as shifts in party momentum or changes to the broader House outlook—often ripple into individual race markets. Election day itself and any post-election developments affecting certification will be the final price drivers before market resolution.