Resolution criteria on PolyGram: This market refers to the Counter-Strike Round 3 match between THUNDER dOWNUNDER and BIG in the IEM Cologne Major Stage 1, initially scheduled for June 3 at 9:30AM ET. This market will resolve to "THUNDER dOWNUNDER" if THUNDER dOWNUNDER win the match against BIG. This market will resolve to "BIG" if BIG win the match against THUNDER dOWNUNDER. 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. If the match begins but is not completed, and one team wins due to the opponent's forfeiture, disqualification, or walkover, this market will resolve to the team who wins.
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 | 24% YES | 77% NO |
| Odd/Even Total Kills | 50% YES | 50% NO |
| Odd/Even Total Rounds | 50% YES | 50% NO |
THUNDER dOWNUNDER, the Australian-based Counter-Strike roster, face Germany's BIG in a best-of-one elimination match during Stage 1 of the IEM Cologne Major on 3 June 2026. The winner advances; the loser is eliminated from the tournament. The 24% implied probability on Polymarket's order book reflects a significant underdog position for the Australian side, with BIG favoured at roughly 76% based on current liquidity and trading activity.
Historical matchups between established European teams and emerging regional rosters at major tournaments show that best-of-one formats amplify variance considerably. BIG, a consistent European qualifier with deep Major experience, typically commands higher probabilities in single-map contests where preparation depth and map pool familiarity matter substantially. However, THUNDER dOWNUNDER's qualification to Stage 1 indicates they have cleared preliminary rounds, suggesting competitive capability. The 24% price suggests traders view this as a genuine mismatch rather than a toss-up, though upsets in BO1 formats occur at meaningful frequency.
Key variables for traders include confirmed map selection (typically announced 24–48 hours before match time), roster health and recent bootcamp performance, and any last-minute scheduling changes. IEM Cologne's format and stage structure will determine whether either team has momentum from earlier matches. Monitor official ESL Pro League announcements and team social media for lineup confirmations, as substitutions or stand-ins could shift the probability materially. The settlement window closes at 19:30 UTC on 3 June, allowing roughly ten hours post-scheduled start time for match completion.
This market settles from the official outcome published at https://www.twitch.tv/ESLCS. 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 "Counter-Strike: THUNDER dOWNUNDER vs BIG (BO1) - IEM Cologne Major Stage 1" 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.
$134K in lifetime turnover and $89K of resting liquidity puts this market in the top 30% by volume for esports contracts on PolyGram. Order-book depth is exceptional — among the deepest order books in the category.
Last 24 hours alone saw $134K 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.twitch.tv/ESLCS. 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 3 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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