Resolution criteria on PolyGram: The California primary is currently scheduled to take place on June 2, 2026. This market will resolve "Yes" if the listed candidate advances from the primary to contest the seat for California's 40th congressional district in the U.S. House of Representatives in the 2026 midterm elections. Otherwise, this market will resolve to "No". If no nominees are announced by November 3, 2026, 11:59 PM ET, this market will resolve to "Other". The resolution source for this market will be a consensus of official sources, including https://www.sos.ca.gov/. Any replacement of the nominees before election day will not change the resolution of the market.
PolyGram is an on-chain prediction market where you trade YES or NO outcome shares with real USDC on Polygon. For this market, buy YES if you believe the event will happen, or NO if you think it won't. Your maximum loss is your stake — winning shares pay $1.00 each at resolution. Unlike sportsbooks, there is no house edge: prices are set by supply and demand from other traders and reflect the crowd's real-time probability.
Market outcomes
| Esther Kim Varet | 48% YES | 53% NO |
| Joe Kerr | 17% YES | 84% NO |
| Lisa Ramirez | 4% YES | 97% NO |
| Young Kim | 72% YES | 28% NO |
| Claude Keissieh | 2% YES | 98% NO |
| Francis Hoffman | 1% YES | 99% NO |
| Ken Calvert | 68% YES | 33% NO |
| Nina Linh | 4% YES | 96% NO |
California's 40th congressional district will hold its primary election on 2 June 2026, with this market tracking whether a specified candidate advances to the general election. The current order book on Polymarket implies a 47% probability of the candidate's nomination, reflecting genuine uncertainty about the race dynamics in a district that has shifted considerably in recent electoral cycles.
Historical precedent suggests California primary outcomes depend heavily on candidate name recognition, fundraising capacity, and local organisation. The state's top-two primary system means candidates need only finish in the top two regardless of party affiliation, which can produce unexpected results when multiple candidates from the same party fragment the vote. Recent California House primaries have seen well-funded incumbents and establishment-backed challengers succeed, though grassroots candidates have occasionally outperformed expectations in districts experiencing demographic or political realignment.
Traders should monitor candidate filing deadlines and campaign finance disclosures through the Federal Election Commission and California Secretary of State's office, which typically reveal spending patterns and organisational strength by spring 2026. Redistricting effects from the 2020 census remain relevant to understanding the district's composition and which candidates hold structural advantages. Any significant shifts in the national political environment between now and June could alter both turnout expectations and candidate viability, particularly if midterm dynamics shift substantially from current conditions.
Resolution is handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a two-hour dispute window opens, and if no one stakes a counter-claim the payout is final. Contested outcomes escalate to UMA token-holder voting. Payouts clear in USDC to the winning side.
The mechanics for trading "CA-40 Primary Winners" are the same as any other PolyGram event contract. Each YES share resolves to $1 if the event happens, or $0 if it doesn't. The current price between 0¢ and 100¢ is the market's probability estimate, set live by the order book.
$4K in lifetime turnover and $9K of resting liquidity puts this market in the below the median by volume for house primary contracts on PolyGram. Order-book depth is modest — expect a couple of cents of slippage on $1k+ trades.
Last 24 hours alone saw $440 in turnover, well above the lifetime daily-average for this market — a clear sign of news catalysing trader activity right now.
The market has been open for under a month — fresh enough that information asymmetry remains a real factor.
Higher-volume markets tend to have tighter spreads and faster price discovery — meaning the displayed YES/NO percentages are more likely to reflect the true crowd-implied probability rather than a single trader's directional view.
Resolution is handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a 2-hour dispute window opens, and if uncontested the payout is final. Contested outcomes escalate to UMA token holders.
This prediction market is scheduled to close on 2 June 2026. After the resolving event occurs, settlement typically clears within 24 hours once the UMA optimistic oracle confirms the outcome. All payouts are in USDC on the Polygon network.
To trade on this prediction market, create a free PolyGram account at polygram.ink, deposit USDC via Polygon, and place a YES or NO order on the outcome you believe in. You can learn more on our how-it-works page. Your maximum loss is limited to your stake — there is no leverage or margin.
When the outcome is determined, winning YES shares pay out $1.00 each in USDC, while losing shares pay $0. Settlement is handled by the UMA optimistic oracle on Polygon — a proposer submits the result, a two-hour dispute window opens, and if uncontested, payouts are distributed automatically. You can withdraw your winnings to any Polygon wallet.
Prediction-market positions can lose 100% of staked capital. Outcomes are uncertain by definition — historical accuracy of crowd-implied probabilities is high in aggregate but not for any single market. PolyGram does not provide investment advice. Trade only with capital you can afford to lose.
Regulatory status varies by jurisdiction. Germany, the United States, and most EU countries treat Polymarket-style event contracts under one of three frameworks: financial derivative, gambling product, or unregulated novel asset. Consult local counsel before trading.
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