Resolution criteria on PolyGram: This market refers to the tennis match between Laslo Djere and Colton Smith in the Oeiras 4, originally scheduled for May 14, 2026 at 5:00AM ET. This market will resolve to 'Laslo Djere' if Laslo Djere advances against Colton Smith. This market will resolve to 'Colton Smith' if Colton Smith advances against Laslo Djere. 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. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
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
| Oeiras 4: Laslo Djere vs Colton Smith | 81% YES | 20% NO |
| Completed Match | 50% YES | 51% NO |
| Oeiras 4: Laslo Djere vs Colton Smith Match O/U 21.5 | 50% YES | 50% NO |
| Oeiras 4: Laslo Djere vs Colton Smith Set 1 O/U 8.5 | 67% YES | 34% NO |
| Oeiras 4: Laslo Djere vs Colton Smith Total Sets: O/U 2.5 | 31% YES | 69% NO |
| Oeiras 4: Laslo Djere vs Colton Smith Set 1 Winner | 73% YES | 28% NO |
| Oeiras 4: Laslo Djere vs Colton Smith Match O/U 22.5 | 50% YES | 50% NO |
| Oeiras 4: Laslo Djere vs Colton Smith Set 1 O/U 9.5 | 48% YES | 52% NO |
Laslo Djere and Colton Smith are scheduled to meet in the Oeiras 4 tournament on 14 May 2026 at 5:00 AM ET. The current order book on Polymarket reflects an 82% implied probability for Djere's advancement, pricing Smith as a substantial underdog. This probability has formed through active trading on the platform's order book, where the spread between bid and ask prices converges around Djere's favoured status.
Djere, a Serbian player ranked in the ATP's mid-tier, has demonstrated consistent performance on the ATP Challenger circuit, where Oeiras 4 sits. Smith, an American competitor, operates at a comparable level but with a less established record on European clay. Historical patterns in similar Challenger matchups suggest that ranking differential and recent form typically account for 60–70% of probability shifts at this level, with surface preference and head-to-head records (where available) filling the remainder. The 82% mark aligns with Djere holding a meaningful but not overwhelming advantage.
Traders should monitor tournament draw confirmations and any late withdrawals, as the settlement window extends to 21 May 2026—allowing seven days for the match to conclude. Recent ATP Challenger scheduling has remained stable, though weather delays on clay courts remain a consideration. Any announcement of injury or withdrawal from either player would trigger immediate repricing on the order book. Match-day conditions and court surface preparation reports, typically released 24–48 hours before play, may also shift the probability if they favour one player's style materially.
This market settles from the official outcome published at https://www.atptour.com/en/scores/current. 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 "Oeiras 4: Laslo Djere vs Colton Smith" 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.
$4K in lifetime turnover and $16K of resting liquidity puts this market in the below the median by volume for tennis contracts on PolyGram. Order-book depth is modest — expect a couple of cents of slippage on $1k+ trades.
Last 24 hours alone saw $4K in turnover, well above the lifetime daily-average for this market — a clear sign of news catalysing trader activity right now.
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.atptour.com/en/scores/current. 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 21 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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