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 38th 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 "No". 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
| Pedro Antonio Casas | 100% YES | 0% NO |
| Erik Lutz | 0% YES | 100% NO |
| Monica Sánchez | 0% YES | 100% NO |
| Hilda Solis | 100% YES | 0% NO |
California's 38th congressional district will hold its primary election on 2 June 2026, with the winner advancing to the general election in that year's midterm cycle. The current 100% implied probability on Polymarket's order book reflects near-certainty that at least one candidate will successfully navigate the filing requirements and appear on the ballot. This probability formation suggests traders are pricing in minimal risk of administrative failure or complete candidate withdrawal before the November 2025 filing deadline.
Historical precedent supports this assessment. Congressional primaries in established districts rarely fail to produce nominees, particularly in California where the state's top-two primary system guarantees that candidates from both major parties typically file. The 38th district, currently represented in the House, has demonstrated consistent electoral participation across recent cycles. Comparable districts in California have maintained unbroken nomination sequences through 2020 and 2022, establishing a baseline expectation of orderly candidate emergence.
Traders should monitor candidate announcements through autumn 2025, when California's filing window opens. The state's Secretary of State website will be the authoritative source for nomination status. Key dependencies include whether the incumbent seeks re-election, the timing of any party endorsements, and whether redistricting changes (finalised by early 2026) affect candidate recruitment. Any unexpected vacancy or mass withdrawal would be material catalysts, though such occurrences remain statistically uncommon in House races.
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-38 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 $0 of resting liquidity puts this market in the below the median by volume for june 2 primaries contracts on PolyGram. Order-book depth is thin — large orders may need to be split across the book or executed as limit orders.
Last 24 hours alone saw $407 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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