Resolution criteria on PolyGram: This market refers to the Dota 2 Upper bracket semifinal 2 match between Rostikfacekid Club and TPaBoMaH Club in the Winline Star Series Playoffs, initially scheduled for June 4 at 8:30AM ET. This market will resolve to "Rostikfacekid Club" if Rostikfacekid Club win the match against TPaBoMaH Club. This market will resolve to "TPaBoMaH Club" if TPaBoMaH Club win the match against Rostikfacekid Club. 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
| Match Winner | 50% YES | 50% NO |
| Game 1 Winner | 51% YES | 49% NO |
| Game 2 Winner | 51% YES | 49% NO |
| O/U 2.5 Games | 50% YES | 50% NO |
| Ends in Daytime | 51% YES | 50% NO |
| Both Teams Beat Roshan | 31% YES | 69% NO |
| Both Teams Destroy Barracks | 28% YES | 72% NO |
| Any Player Ultra Kill | 33% YES | 67% NO |
Rostikfacekid Club and TPaBoMaH Club are scheduled to contest the upper bracket semifinal 2 of the Winline Star Series Playoffs in Dota 2 on 4 June at 08:30 ET. The match is a best-of-three format. Currently, Polymarket's order book reflects a 50-50 implied probability, suggesting traders perceive the matchup as evenly weighted. The settlement window closes at 18:30 UTC on 4 June, allowing approximately ten hours from the scheduled start time for the match to conclude.
Both clubs operate within the competitive Dota 2 ecosystem where regional tournaments like Winline Star Series serve as qualifying events and ranking indicators for international circuits. Historical precedent from similar Eastern European regional playoffs shows that upper bracket semifinals typically feature teams with comparable recent form; matches at this stage rarely exhibit extreme skill disparities. The even probability reflects this parity rather than uncertainty about team capabilities.
Key variables for traders include fixture confirmation closer to the date, roster stability announcements, and any schedule adjustments from Winline organisers. Recent Dota 2 tournament disruptions have occasionally stemmed from technical infrastructure issues or player availability constraints. The seven-day delay clause in the resolution criteria means matches postponed beyond 11 June would trigger a 50-50 resolution regardless of eventual outcome. Monitor official Winline channels and team social media for withdrawal announcements or format changes in the days preceding 4 June.
This market settles from the official outcome published at https://www.dotabuff.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 "Dota 2: Rostikfacekid Club vs TPaBoMaH Club (BO3) - Winline Star Series Playoffs" 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.
$32 in lifetime turnover and $5K of resting liquidity puts this market in the below the median by volume for esports 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 $32 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.dotabuff.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 4 June 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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