Resolution criteria on PolyGram: This market refers to the tennis match between Franco Roncadelli and Juan Manuel La Serna in the Cordoba, originally scheduled for May 16, 2026 at 10:00AM ET. This market will resolve to 'Franco Roncadelli' if Franco Roncadelli advances against Juan Manuel La Serna. This market will resolve to 'Juan Manuel La Serna' if Juan Manuel La Serna advances against Franco Roncadelli. 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.
Real-money prediction markets aggregate live odds from thousands of traders, surfacing a sharper probability than any single forecast. Odds will populate live once the order book fills with 7 days to resolution, well inside the window where catalysts move price most.
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: Franco Roncadelli vs Juan Manuel La Serna Set 1 Winner | 0% YES | 100% NO |
| Cordoba: Franco Roncadelli vs Juan Manuel La Serna Set 1 O/U 8.5 | 100% YES | 0% NO |
| Cordoba: Franco Roncadelli vs Juan Manuel La Serna Set 1 O/U 9.5 | 100% YES | 0% NO |
| Cordoba: Franco Roncadelli vs Juan Manuel La Serna Set 1 O/U 10.5 | 100% YES | 0% NO |
| Cordoba: Franco Roncadelli vs Juan Manuel La Serna Total Sets: O/U 2.5 | 100% YES | 0% NO |
| Cordoba: Franco Roncadelli vs Juan Manuel La Serna Match O/U 21.5 | 100% YES | 0% NO |
| Cordoba: Franco Roncadelli vs Juan Manuel La Serna Match O/U 22.5 | 100% YES | 0% NO |
| Cordoba: Franco Roncadelli vs Juan Manuel La Serna Match O/U 23.5 | 100% YES | 0% NO |
Franco Roncadelli and Juan Manuel La Serna are scheduled to meet in the Cordoba Challenger, but the market is currently pricing the outcome at 0% YES, so the order book is effectively assigning no live probability to either side. On Polymarket, that kind of empty or near-empty book usually reflects a lack of active liquidity rather than a strong view on the tennis itself; the implied price is being set by whoever is willing to post the first meaningful bids and asks. Recent public scores data and tournament feeds show the match listed for 16 May in Cordoba, so the key question is whether it is played and completed within the settlement window, not which player had the stronger prior line.
The closest framing comes from the players’ recent Challenger-level results rather than any deep head-to-head record. ATP results from the same Cordoba event show La Serna beating his previous opponent 6-4 6-2 in the quarter-finals, while other score services list Roncadelli as having won his most recent matches, suggesting both entered the final with some recent form. Head-to-head pages indicate little or no established professional rivalry, so traders should be cautious about over-weighting historical matchup data. In thin books, pricing often moves more on availability, draw progression, and whether the match actually starts on schedule than on long-run rankings.
Catalysts are straightforward: official tournament updates, start-time changes, retirements, walkovers, or any delay that pushes the match beyond seven days from the scheduled date, which would trigger a 50-50 result under the market rules. The ATP Cordoba results page is the most relevant live source for completion or withdrawal information, while score providers such as Flashscore and Sofascore are useful for confirming whether play has begun and whether a winner is recorded.
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.
For this market, the resolution date is 23 May 2026. A UMA proposer can submit the outcome from that moment; the two-hour dispute window closes at , and assuming no counter-claim is staked, winning USDC clears to trader balances by approximately .
If a dispute is filed inside the two-hour window, the outcome escalates to UMA token-holder voting, which extends settlement by roughly 48 hours. Disputed resolutions are rare — fewer than 0.5% of PolyGram markets in 2026 to date — and even rarer for events with clear, verifiable resolution sources.
Funds clear directly to your in-app USDC balance on Polygon. From there, withdrawals are non-custodial: send to any address you control, typical confirmation under 30 seconds, gas paid in USDC if you'd rather not hold MATIC.
Minimum order size on PolyGram is $1.00, with no maximum cap aside from available book depth. Orders route into Polymarket's on-chain CLOB on Polygon; the matching engine pairs YES buyers with NO buyers atomically — every executed trade is settled on-chain with no counterparty risk.
The trade ticket includes a slippage box (default 2%, configurable 0.1%-10%) that caps the worst-case entry price. Your maximum loss is your stake — winning YES (or NO) shares pay $1.00 each at resolution. Your slippage tolerance and the depth of resting limit orders determine the actual fill.
PolyGram charges 0% house edge — no spread mark-up, no rake on winnings, no withdrawal fees beyond network gas. The platform earns exclusively from optional features (copy-trade boosts, advanced order types, the yield vault on idle USDC); the trading surface itself is at-cost.
The mechanics for trading "Cordoba: Franco Roncadelli vs Juan Manuel La Serna" 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.
$78K in lifetime turnover and $0 of resting liquidity puts this market in the above 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.
Last 24 hours alone saw $78K 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 23 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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