Resolution criteria on PolyGram: In the upcoming Germany BBL game, scheduled for May 2 at 12:30PM ET: If the Rostock Seawolves win, the market will resolve to "Rostock Seawolves". If the Science City Jena win, the market will resolve to "Science City Jena". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. The result will be determined based on the final score including any overtime periods.
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
| Rostock Seawolves vs. Science City Jena | 100% YES | 0% NO |
The Rostock Seawolves face Science City Jena in a German Basketball League (BBL) fixture scheduled for 2 May at 12:30 PM ET. The market currently reflects a 100% implied probability for Rostock, with settlement occurring by 9 May at 16:30 UTC. This probability is being formed through Polymarket's order book, where traders are pricing in either a decisive Rostock advantage or minimal uncertainty around the matchup's outcome.
Rostock and Jena occupy different competitive positions within the BBL hierarchy. Rostock has historically been a mid-table side with inconsistent form, whilst Jena has shown stronger recent performance and deeper playoff credentials. The 100% probability reading appears extreme relative to typical BBL match variance, where home-court advantage, injury status, and form fluctuations routinely produce competitive contests. Historical comparable fixtures between these clubs have rarely produced one-sided outcomes, suggesting the current pricing may reflect either incomplete information on the order book or a significant shift in team circumstances.
Traders should monitor team news through official BBL channels and club announcements for injury confirmations, roster changes, or scheduling alterations prior to the match date. Recent fixture congestion in the league schedule can affect squad rotation and player availability. Any postponement would extend the settlement window, whilst outright cancellation without a make-up fixture would trigger the 50-50 resolution clause. The wide gap between the current implied probability and historical competitive balance warrants scrutiny of underlying assumptions driving the market price.
This market settles from the official outcome published at https://www.easycredit-bbl.de/en/. 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 "Rostock Seawolves vs. Science City Jena" are the same as any other PolyGram sporting 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.
$5K in lifetime turnover and $0 of resting liquidity puts this market in the below the median by volume for sports 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.
As of today, traders on Polymarket price this outcome at 100%. The number updates continuously as the order book clears. PolyGram mirrors the same live odds with locale-aware formatting and USDC settlement.
Resolution is sourced from https://www.easycredit-bbl.de/en/. 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 9 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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