Resolution criteria on PolyGram: More markets for the Prva Liga game, scheduled for May 9 at 12:45 PM ET.
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
| HNK Rijeka (-1.5) | 100% YES | 0% NO |
| HNK Vukovar 1991 (-1.5) | 0% YES | 100% NO |
| HNK Rijeka (-2.5) | 100% YES | 0% NO |
| HNK Vukovar 1991 (-2.5) | 0% YES | 100% NO |
| O/U 1.5 | 100% YES | 0% NO |
| O/U 2.5 | 100% YES | 0% NO |
| O/U 3.5 | 0% YES | 100% NO |
| O/U 4.5 | 0% YES | 100% NO |
HNK Rijeka will face HNK Vukovar 1991 in a Prva Liga match on 9 May at 12:45 PM ET. The current order book on Polymarket reflects a 100% implied probability for the "More Markets" outcome, indicating traders expect additional betting markets to be created for this fixture before the settlement window closes on 9 May at 16:45 UTC.
Prva Liga fixtures routinely generate multiple derivative markets covering goals, corners, cards, and player performance metrics. Historical precedent suggests that matches involving established Croatian clubs typically attract sufficient liquidity to justify secondary market creation. The 100% probability reflects near-certainty among current traders that platform operators will list supplementary markets, though this depends on anticipated trading volume and platform capacity allocation.
Key variables affecting settlement include fixture confirmation status, any last-minute postponements due to weather or administrative issues, and platform operational decisions regarding market expansion. Traders should monitor official Prva Liga communications and HNK Rijeka's fixture calendar for schedule changes. The settlement window provides approximately four hours between scheduled kick-off and deadline, creating a tight window for market creation and initial trading activity. Any fixture cancellation or rescheduling would likely trigger resolution complications, though such occurrences remain uncommon in the Croatian top division.
Hrvatski nogometni klub Rijeka, commonly referred to as HNK Rijeka, is a Croatian professional football club based in the city of Rijeka.
HNK Rijeka are a Croatian football club. This article details their record in UEFA club competitions.
HNK Rijeka is a Croatian association football club based in Rijeka, which currently competes in the Croatian Football League. Founded in 1946, they have been a member of Yugoslav First League for 29 out of 45 seasons until its dissolution in 1991, including the last 17 seasons. Following the breakup of Yugoslavia, the club joined the Croatian Football League
HNK Rijeka Academy is the youth academy of HNK Rijeka. There are a total of eleven age categories within the academy, the oldest being the Juniori (under-19) and youngest the Morčići (under-8). Rijeka's football academy was officially founded in 1972. More than 400 youth footballers attend the academy.
This market settles from the official outcome published at https://hnl.hr/. 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 "HNK Rijeka vs. HNK Vukovar 1991 - More Markets" 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.
$4K 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.
Resolution is sourced from https://hnl.hr/. 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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