Resolution criteria on PolyGram: In the upcoming La Liga game between Real Oviedo and Deportivo Alavés, scheduled for May 17, 2026 at 1:00 PM ET: This event contains halftime result markets for home, draw, and away outcomes within the first 45 minutes of regular play plus stoppage time.
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
| Real Oviedo | 20% YES | 81% NO |
| Draw | 31% YES | 69% NO |
| Deportivo Alavés | 36% YES | 65% NO |
Real Oviedo will host Deportivo Alavés in a La Liga fixture on 17 May 2026, with this market settling on the halftime scoreline after 45 minutes plus stoppage time. The current 19% implied probability for a home win at the interval reflects Polymarket's order book positioning, where traders are pricing Oviedo as underdogs in the first-half outcome despite playing at home.
Halftime markets in La Liga typically show compressed volatility compared to full-match outcomes, as the sample size of goals is smaller and early tactical approaches often differ from final team shape. Historical data suggests home sides win roughly 35–40% of halftime results in top-flight Spanish football, with draws accounting for 30–35% and away wins 25–30%. The 19% probability for Oviedo implies traders view either Alavés as the stronger side or expect a cautious opening period that favours neither team decisively. Comparable mid-season fixtures between mid-table sides have shown similar probabilities when the away team enters with recent form advantages.
Key variables for traders include team news released in the days before kick-off—injuries to key attacking players would shift the halftime win probability—and Alavés' recent league position and goal-scoring patterns. The fixture falls late in the 2025–26 season, when both sides' tactical priorities (European qualification, relegation avoidance, or fixture congestion) will be apparent from their recent results. Weather conditions on match day and any late lineup announcements closer to the 1:00 PM ET start should be monitored for order book repricing.
This market settles from the official outcome published at https://www.laliga.com/. 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 "Real Oviedo vs. Deportivo Alavés - Halftime Result" 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.
$0 in lifetime turnover and $2K 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://www.laliga.com/. 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 17 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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