Counter-Strike: Monte vs BIG (BO1) - IEM Cologne Major Stage 2

Platform comparison

Active sub-markets

Market context

Monte and BIG are scheduled to compete in a best-of-one Counter-Strike match during the IEM Cologne Major Stage 2 on 6 June 2026 at 08:30 ET. In prediction markets, a YES share represents a bet that Monte will win; a NO share bets on BIG's victory. The settlement window closes at 18:45 UTC on the same day, giving a roughly ten-hour window for the match to conclude. Should the match be cancelled, delayed beyond seven days without resolution, or end in a tie, the market resolves 50-50, splitting payouts equally between both sides.

IEM Cologne is one of Counter-Strike's longest-running tournaments, and Major-stage matches typically proceed without significant disruption, though technical issues or player illness have occasionally forced rescheduling in prior years. BIG has historically been a stronger European side with more consistent Major appearances, whilst Monte's qualification and seeding relative to this fixture would inform baseline expectations. The current 100% crowd probability suggests either extreme confidence in one outcome or insufficient trading volume to establish a meaningful market price.

Traders should monitor official ESL announcements for any schedule changes, roster confirmations, or venue issues in the days preceding the match. Recent Counter-Strike roster moves and injury reports affecting either team would be material; check HLTV.org and official team social channels for updates. The match format—best-of-one rather than best-of-three—increases variance, meaning upsets occur more frequently than in longer series, which may explain why the market has not yet settled on a more differentiated probability.

Methodology

We track Counter-Strike: Monte vs BIG (BO1) - IEM Cologne Major Stage 2 on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On Prediction Market UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Prediction Market UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Prediction Market UK triggers a quick verification flow that finishes in minutes.