TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 9, 7:56 PM EST
Kalshi
This market tracks whether Tom Steyer will win California's 2026 gubernatorial primary election by a margin of at least 3 percentage points, with a leading probability of 11.0% on Kalshi. A secondary outcome measures whether he wins by at least 1 percentage point, currently at 7.0%. Resolution will be determined by official primary results as reported by California election authorities. Watch the primary election results on November 3, 2027, when the actual margin of victory will be finalized and the market will settle.
Prediction market odds on Kalshi often diverge from traditional polling averages because traders incorporate real-time information, fundraising data, and momentum shifts that polls may lag in capturing. While polls measure voter preference at a single moment, prediction markets reflect the aggregated beliefs of participants with financial incentive to forecast accurately. For the California Governor Primary margin of victory, market prices may signal higher or lower confidence in a decisive outcome than headline polling suggests. Comparing the two reveals whether the betting public expects the primary race to tighten or widen relative to current survey snapshots.
The California Governor Primary margin of victory market resolves on Nov 3, 2027 following the primary election. Resolution is determined by the official certified margin of victory announced by California election authorities. The outcome reflects the percentage-point difference between the top two finishers in the gubernatorial primary race. Once the state certifies results, Kalshi settles all contracts based on whether the actual margin meets or exceeds the specified thresholds embedded in each contract.
Major catalysts for price movement include new polling releases showing shifts in candidate support, high-profile endorsements or candidate exits, debate performances, campaign spending announcements, and voter turnout indicators. Demographic or regional data suggesting differential enthusiasm among key voter blocs can reshape margin expectations. Late-breaking scandals or gaffes may compress or widen the predicted gap. Media coverage of frontrunner momentum, grassroots organizing intensity, and mail-in ballot trends all feed trader reassessment of the likely winning margin. As election day approaches, early voting and exit poll data typically drive final repricing.