Resolution criteria on PolyGram: This market refers to the tennis match between Oskar Brostrom Poulsen and Nikola Slavic in the ITF Men Grado, originally scheduled for May 27, 2026 at 4:00AM ET. This market will resolve to 'Oskar Brostrom Poulsen' if Oskar Brostrom Poulsen advances against Nikola Slavic. This market will resolve to 'Nikola Slavic' if Nikola Slavic advances against Oskar Brostrom Poulsen. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.
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
| ITF Grado: Oskar Brostrom Poulsen vs Nikola Slavic | 100% YES | 0% NO |
| Completed Match | 100% YES | 0% NO |
Oskar Brostrom Poulsen, a Danish ITF competitor, faces Nikola Slavic in a Men's ITF tournament match at Grado, Italy on 27 May 2026. The current order book on Polymarket reflects a 100% implied probability for Poulsen's advancement, suggesting the market has priced in either strong conviction regarding his superiority or substantial uncertainty about match completion. The settlement window extends to 3 June 2026, providing a seven-day buffer for match resolution before the market defaults to 50-50 split.
ITF Men's circuit matches at this level typically feature players ranked outside the ATP top 500, where form variance and surface-specific ability create meaningful outcome uncertainty. Comparable lower-tier ITF tournaments show that extreme probabilities (95%+) often reflect incomplete information rather than genuine skill differentials, particularly when one player lacks recent match history or the opponent's current ranking data remains unavailable. The absence of recent ATP-level exposure for either player suggests the market may be overweighting limited available data.
Traders should monitor official ITF tournament confirmations and any withdrawal announcements through the tournament's official channels or ATP/ITF databases, as schedule changes and player withdrawals occur frequently at this level. Surface conditions at the Grado clay court and any late injury reports would materially affect match dynamics. The extreme probability warrants scrutiny given the typical volatility of ITF Men's outcomes and the settlement window's dependency on the match actually being completed within the specified timeframe.
Note: in this context, IT does not mean Information Technology, but it is an Engineering term.
The ITF Grand Prix Circuit was a professional tennis tour for male players founded in 1970 as the Grand Prix Tennis Circuit it was administered by the International Tennis Federation (ITF) and ran annually until 1989 when it and the rival WCT Circuit were replaced by a single world wide ATP Tour.
The ITF Junior Circuit is the premier level for worldwide competition among under-18 junior tennis players, organized by the International Tennis Federation. Founded in 1977 with only nine tournaments, the 2011 ITF Junior Circuit offered over 350 tournaments in 118 countries. Mirroring the ATP and WTA tours, the ITF Junior Circuit ranks players and crowns a
This market settles from the official outcome published at https://www.itftennis.com/en/tournament-calendar/. 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 "ITF Grado: Oskar Brostrom Poulsen vs Nikola Slavic" 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.
$619 in lifetime turnover and $0 of resting liquidity puts this market in the below the median by volume for tennis 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.itftennis.com/en/tournament-calendar/. 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 3 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.
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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