Resolution criteria on PolyGram: In the upcoming Sweden Allsvenskan game between Orgryte IS and IFK Goteborg, scheduled for May 18, 2026 at 1:00 PM ET: This event contains halftime result markets for home, draw, and away outcomes within the first 45 minutes of regular play plus stoppage time.
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
| Draw | 67% YES | 34% NO |
| Orgryte IS | 57% YES | 43% NO |
| IFK Goteborg | 66% YES | 35% NO |
Orgryte IS will host IFK Goteborg in a Sweden Allsvenskan fixture on 18 May 2026, with settlement determined by the halftime scoreline after 45 minutes plus stoppage time. The current order book on Polymarket reflects a 67% implied probability for a YES outcome, suggesting traders are pricing in either an Orgryte home win or draw at the interval. This probability has formed through active trading across the liquidity pool, with the spread between bid and ask orders establishing the consensus midpoint.
Halftime markets in Allsvenskan fixtures typically correlate with pre-match form, recent scoring patterns, and tactical setup. Orgryte and IFK Goteborg have distinct seasonal trajectories; examining their respective records in the opening 45 minutes across the 2025 campaign provides calibration for whether 67% fairly values the likelihood of a non-away result. Teams with strong pressing systems or early-game intensity often generate disproportionate halftime advantages, whilst those relying on second-half adjustments show lower halftime conversion rates.
Traders should monitor team news releases through mid-May for injury updates or lineup confirmations, as absences of key attacking or defensive personnel shift halftime dynamics materially. Weather conditions on match day—particularly wind affecting set-piece execution—warrant attention in the final hours before settlement. Fixture congestion in the Allsvenskan calendar may influence squad rotation decisions, with either side potentially fielding experimental lineups if competing in cup competitions or managing fatigue. Official team sheets typically release 60 minutes before kickoff, providing final data for position adjustment.
Örgryte Idrottssällskap, commonly referred to as Örgryte IS, Örgryte or ÖIS or Öis, is a Swedish sports club based in Gothenburg. It consists of four departments, namely bowling, football, athletics and wrestling. However, the club is best known for its football department. The club was founded in 1887 which makes it the oldest active sports club in the coun
This market settles from the official outcome published at https://www.allsvenskan.se/. A proposer submits the final result to the UMA optimistic oracle on Polygon; the two-hour dispute window closes and payouts clear in USDC.
The mechanics for trading "Orgryte IS vs. IFK Goteborg - Halftime Result" 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.
$0 in lifetime turnover and $1K of resting liquidity puts this market in the below the median by volume for games contracts on PolyGram. Order-book depth is thin — large orders may need to be split across the book or executed as limit orders.
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 sourced from https://www.allsvenskan.se/. Settlement is executed by the UMA optimistic oracle on Polygon, with a 2-hour dispute window before payouts clear.
This prediction market is scheduled to close on 18 May 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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