Resolution criteria on PolyGram: This event is for the upcoming GCT: Super Rapid & Blitz Poland 2026 | Rapid match, scheduled for May 7, 2026 between Wesley So and Maxime Vachier-Lagrave.
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
| Wesley So | 0% YES | 100% NO |
| Draw (Wesley So vs. Maxime Vachier-Lagrave) | 100% YES | 0% NO |
| Maxime Vachier-Lagrave | 0% YES | 100% NO |
Wesley So and Maxime Vachier-Lagrave are scheduled to meet in Round 8 of the rapid section at the Grand Chess Tour event in Poland on 7 May 2026. The match will be played at classical time controls within the rapid format, a standard fixture on the GCT circuit where both players compete regularly. The current orderbook on Polymarket shows zero probability assigned to a So victory, reflecting either extreme confidence in a Vachier-Lagrave result or minimal trading activity at present.
Historical head-to-head records between elite rapid players at GCT events show considerable volatility; neither player's rating advantage in rapid typically exceeds 50–100 Elo points, and upsets occur frequently when fatigue or preparation gaps emerge mid-tournament. Vachier-Lagrave has maintained a stronger rapid rating in recent seasons, though So has demonstrated resilience in comeback performances. The 0% implied probability on the orderbook likely reflects thin liquidity rather than certainty, as early-stage markets on niche tournament rounds often lack depth until closer to the event date.
Traders should monitor the official GCT schedule confirmation and any withdrawal announcements in the weeks preceding May 2026, as player absences or substitutions would void the market. Form heading into the Poland event—particularly results from other 2026 GCT stops—will provide concrete data on both players' current trajectory. The settlement window closes 13 May, allowing only a narrow window post-match for resolution, so confirmation of the result's official publication by the GCT organiser will be critical.
This market settles from the official outcome published at https://lichess.org/. 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 "Wesley So vs. Maxime Vachier-Lagrave - GCT: Super Rapid & Blitz Poland 2026 | Rapid (Round 8)" 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.
$1K in lifetime turnover and $0 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://lichess.org/. 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 14 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.
Explore more prediction market odds and trading opportunities on PolyGram: