Resolution criteria on PolyGram: This market will resolve in favor of the driver who is officially listed in first place in the first Final Classification published by IndyCar following the conclusion of the race. The Final Classification is typically released 30-60 minutes after the race ends and includes any applied time penalties and official adjustments. Disqualifications or changes made after the publication of the first Final Classification will not affect market resolution. The timing of the podium ceremony does not determine the result for this market — only IndyCar’s published classification will be used to resolve this market.
Real-money prediction markets aggregate live odds from thousands of traders, surfacing a sharper probability than any single forecast. Odds will populate live once the order book fills (the resolution date has passed — final payout is being settled via UMA oracle).
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
| Other | 0% YES | 100% NO |
| Alex Palou | 100% YES | 0% NO |
| Mick Schumacher | 0% YES | 100% NO |
| Dennis Hauger | 0% YES | 100% NO |
| Sting Ray Robb | 0% YES | 100% NO |
| Jack Harvey | 0% YES | 100% NO |
| Driver B | 0% YES | 100% NO |
| Driver D | 0% YES | 100% NO |
The Detroit Grand Prix returns to the IndyCar calendar in June 2026 on the temporary street circuit at Belle Isle. The race typically features high attrition rates and unpredictable weather conditions, with the tight, bumpy layout favouring drivers skilled in car control and racecraft over pure speed. IndyCar's current 0% implied probability on Polymarket's order book reflects the market's inability to price individual driver outcomes at this stage—the field composition, team lineups, and competitive balance remain substantially uncertain nearly eighteen months before the event.
Historical Detroit races demonstrate significant volatility in outcomes. Between 2019 and 2023, five different winners claimed the race across five editions, with no repeat victor. Weather interruptions and caution periods have frequently reshuffled grid positions late in the race, whilst mechanical failures have eliminated favourites. This unpredictability typically sustains wide probability distributions across potential winners rather than concentrating odds on a handful of contenders. Current market pricing reflects genuine uncertainty rather than any particular driver's disadvantage.
Key catalysts for probability shifts will include the 2026 driver market finalisation—expected through winter 2025—and pre-season testing results in spring 2026. IndyCar's technical regulations remain subject to revision, potentially affecting which teams and drivers possess competitive advantages. Weather forecasting closer to June will also influence market positioning, as Detroit's variable conditions can dramatically alter race dynamics. Traders should monitor team announcements and any changes to the Belle Isle circuit configuration, which occasionally undergoes modifications between seasons.
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 1 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 "IndyCar: 2026 Detroit GP 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 ($0 of resting liquidity), a $50 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 "IndyCar: 2026 Detroit GP 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.
$11K in lifetime turnover and $0 of resting liquidity puts this market in the below the median by volume for rewards automation 100 2 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 $462 in turnover, consistent with the market's lifetime daily-average pace.
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 1 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 "IndyCar: 2026 Detroit GP 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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