Resolution criteria on PolyGram: This market refers to the tennis match between Miguel Tobon and Andrea Collarini in the Cordoba, originally scheduled for May 13, 2026 at 2:00PM ET. This market will resolve to 'Miguel Tobon' if Miguel Tobon advances against Andrea Collarini. This market will resolve to 'Andrea Collarini' if Andrea Collarini advances against Miguel Tobon. 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
| Cordoba: Miguel Tobon vs Andrea Collarini | 100% YES | 0% NO |
| Completed Match | 100% YES | 0% NO |
| Cordoba: Miguel Tobon vs Andrea Collarini Total Sets: O/U 2.5 | 100% YES | 0% NO |
| Cordoba: Miguel Tobon vs Andrea Collarini Match O/U 21.5 | 100% YES | 0% NO |
| Cordoba: Miguel Tobon vs Andrea Collarini Match O/U 22.5 | 100% YES | 0% NO |
| Cordoba: Miguel Tobon vs Andrea Collarini Match O/U 23.5 | 100% YES | 0% NO |
| Cordoba: Miguel Tobon vs Andrea Collarini Set 1 Winner | 0% YES | 100% NO |
| Cordoba: Miguel Tobon vs Andrea Collarini Set 1 O/U 8.5 | 100% YES | 0% NO |
Miguel Tobon and Andrea Collarini are scheduled to meet in the Cordoba tournament on 13 May 2026. The current order book on Polymarket reflects a 100% implied probability for Tobon's advancement, suggesting the market is pricing in either a strong expectation of his victory or, more likely given the extreme probability, incomplete information or low liquidity at present. Settlement occurs by 20 May 2026, allowing a seven-day window for the match to conclude.
ATP Challenger events in Cordoba typically draw regional South American talent alongside lower-ranked touring professionals. Tobon, a Colombian player, and Collarini, an Argentine competitor, represent the regional player pool common to this tournament tier. Historical Challenger draws show that home-region advantage and surface familiarity can shift outcomes meaningfully; however, a 100% probability on either player is unusual absent injury withdrawal or match cancellation announcements. Traders should note that such extreme probabilities often reflect thin order books rather than genuine certainty about on-court performance.
Key catalysts include official tournament draw confirmation, any injury or withdrawal announcements from either player, and weather delays affecting the clay courts in Cordoba. The settlement window's seven-day buffer means matches delayed beyond 20 May trigger a 50-50 resolution. Traders should monitor ATP Challenger circuit news and the official Cordoba tournament schedule for updates on player participation and match scheduling, particularly given the current probability's disconnect from typical match uncertainty.
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 "Cordoba: Miguel Tobon vs Andrea Collarini" 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.
$120K in lifetime turnover and $0 of resting liquidity puts this market in the top 30% 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.
Last 24 hours alone saw $120K 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 20 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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