Resolution criteria on PolyGram: In the upcoming Sweden Allsvenskan game between IF Brommapojkarna and Kalmar FF, scheduled for May 17, 2026 at 8:00 AM 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 | 68% YES | 33% NO |
| IF Brommapojkarna | 62% YES | 39% NO |
| Kalmar FF | 61% YES | 40% NO |
IF Brommapojkarna will host Kalmar FF in the Swedish Allsvenskan on 17 May 2026, with the halftime result market settling on whether Brommapojkarna leads, the sides are level, or Kalmar leads at the interval. The match kicks off at 8:00 AM ET, with settlement closing at 12:00 noon the same day. Current order book pricing on Polymarket implies a 68% probability that Brommapojkarna will be ahead or level at halftime, reflecting the home-side advantage typical in early-season Allsvenskan fixtures.
Brommapojkarna's recent form and squad stability provide the foundation for the current implied probability. The club has historically shown stronger first-half control at home, particularly in May fixtures when squad fitness is generally higher. Kalmar FF, conversely, has demonstrated a pattern of slower starts in away matches, with their typical first-half xG differential running below their season average when playing on the road. These patterns, observable across multiple seasons, suggest the market is pricing in structural advantages that favour the home side's halftime position.
Traders should monitor team news through to settlement, particularly regarding injuries to key attacking or defensive personnel for either side. Weather conditions on match day—wind and precipitation can affect early-season play in Sweden—may shift tactical approaches and tempo in the opening 45 minutes. Fixture congestion in the preceding week could influence squad rotation decisions, though such announcements typically emerge only days before play.
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 "IF Brommapojkarna vs. Kalmar FF - 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 sweden allsvenskan 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 17 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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