TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 12, 9:14 PM EST
Kalshi
This market tracks whether incumbent Mark DeSaulnier will advance from the 2026 California primary election in the 10th congressional district. On Kalshi, the probability of DeSaulnier advancing stands at 94.0%. Resolution is determined by official results from the California state primary election. Watch for candidate filing deadlines and campaign announcements in the months leading up to the June 2026 primary election, which will shape the final field of competitors.
The market resolves based on which candidates advance from the 2026 CA-10 primary election. Advancement is determined by receiving sufficient votes to rank among the top finishers. The market is eligible for accelerated determination once a consensus of media organizations projects which candidates will advance.
The CA-10 primary: Who will advance market resolves on Nov 3, 2026, following the official California primary election date. Resolution is determined by which candidates officially advance from the primary contest according to California election law and certified results. The market tracks advancement eligibility based on vote totals and state-specific rules governing how many candidates proceed to the general election. Once official results are certified and announced, the market settles based on the actual advancement outcomes for each candidate in the CA-10 race.
Several catalysts could shift CA-10 primary odds before Nov 3, 2026. Major campaign announcements, candidate endorsements from prominent state or national figures, and debate performances typically trigger sharp price moves. Fundraising reports and cash-on-hand disclosures signal candidate viability and resources. Local media coverage, voter registration surges, and grassroots organizing intensity all influence trader expectations. Unexpected candidate withdrawals or entries reshape the field. National political developments affecting congressional races, demographic shifts in the district, or scandal revelations can rapidly reprrice advancement odds. Early voting and mail-ballot returns in the final weeks often drive the largest market adjustments as real voter behavior becomes visible.