Resolution criteria on PolyGram: A special election is scheduled for June 2, 2026 to fill the seat of California’s First Congressional district in the U.S. House of Representatives. This market will resolve according to the winner of this election. This market includes any potential runoff election or second round. If the results of this election are not definitively known by December 31, 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/.
Real-money prediction markets aggregate live odds from thousands of traders, surfacing a sharper probability than any single forecast. Current odds favour the NO side at 3%, making this a high-confidence market resolving today, backed by $11K of resting liquidity.
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
| Audrey Denney | 3% YES | 97% NO |
| Candidate F | — | |
| Candidate H | — | |
| James Gallagher | 93% YES | 8% NO |
| Candidate A | — | |
| Candidate J | — | |
| Mike McGuire | 4% YES | 97% NO |
| Jot Thiara | 1% YES | 99% NO |
California's First Congressional District will hold a special election on 2 June 2026 to fill a vacant House seat. The current order book on Polymarket reflects a 3% implied probability for a YES resolution, suggesting traders assess the likelihood of a definitive winner being declared by the 31 December 2026 deadline as relatively low. This probability is primarily shaped by uncertainty around whether the election will produce a clear victor on election day or require a runoff, given California's jungle primary system where candidates of all parties compete on a single ballot.
Special elections in California's House districts have historically resolved with clear winners on their scheduled dates, though the state's top-two primary mechanism occasionally necessitates runoff contests. The 2022 special election for CA-20 (David Valadao's seat) concluded on the primary date itself, whilst other recent special elections have similarly avoided extended resolution periods. The 3% probability on the order book likely reflects tail risk scenarios: a contested result, delayed certification disputes, or an unforeseen vacancy requiring a second special election before year-end.
Traders should monitor the California Secretary of State's official candidate filing deadlines and campaign announcements in early 2026, which will clarify the field size and competitive dynamics. The state's election certification timeline typically concludes within weeks of election day, making a December deadline miss unlikely unless extraordinary circumstances arise. Any judicial challenges to results or candidate eligibility determinations would be the primary catalyst shifting probabilities materially from current levels.
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.
For this market, the resolution date is 2 June 2026. A UMA proposer can submit the outcome from that moment; the two-hour dispute window closes at , and assuming no counter-claim is staked, winning USDC clears to trader balances by approximately .
If a dispute is filed inside the two-hour window, the outcome escalates to UMA token-holder voting, which extends settlement by roughly 48 hours. This particular market has no public resolution feed listed; disputes here are more likely if the underlying outcome is subject to interpretation, in which case the UMA token-vote arbitrates the wording of the original market question.
Withdrawal pace from your PolyGram balance is non-custodial and immediate — once payout clears, funds are yours to send to any Polygon wallet you control. Funds clear directly to your in-app USDC balance on Polygon. Withdrawals are non-custodial: send to any address you control, typical confirmation under 30 seconds, gas paid in USDC if you'd rather not hold MATIC.
Minimum order size on PolyGram is $1.00, with no maximum cap aside from available book depth. Orders route into Polymarket's on-chain CLOB on Polygon; the matching engine pairs YES buyers with NO buyers atomically — every executed trade is settled on-chain with no counterparty risk. For "CA-01 Special Election Winner?", order-book behaviour for this market reflects the underlying volatility of the outcome — patient limit orders typically fill closer to mid than market orders.
The trade ticket includes a slippage box (default 2%, configurable 0.1%-10%) that caps the worst-case entry price. Your maximum loss is your stake — winning YES (or NO) shares pay $1.00 each at resolution. With this market's current book depth ($11K of resting liquidity), a $100 order should fill with single-cent slippage at the displayed mid-price.
PolyGram charges 0% house edge — no spread mark-up, no rake on winnings, no withdrawal fees beyond network gas. The platform earns exclusively from optional features (copy-trade boosts, advanced order types, the yield vault on idle USDC); the trading surface itself is at-cost.
The mechanics for trading "CA-01 Special Election Winner?" 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.
$3K in lifetime turnover and $11K of resting liquidity puts this market in the below the median by volume for house elections contracts on PolyGram. Order-book depth is modest — expect a couple of cents of slippage on $1k+ trades.
Last 24 hours alone saw $332 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. For "CA-01 Special Election Winner?", the considerations above apply directly — Trade size should reflect the binary nature of the payoff: even a 70% probability event resolves NO 30% of the time, so any single position can lose 100% of staked capital.
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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