Counter-Strike: MOUZ vs Legacy (BO3) - IEM Cologne Major Stage 3

Platform comparison

Active sub-markets

Market context

MOUZ and Legacy meet in a Counter-Strike best-of-three elimination match at IEM Cologne's Major Stage 3, scheduled for 11 June 2026 at 07:30 ET. The fixture carries standard Major tournament weight: a loss eliminates either side from contention, whilst a victory advances the winner through the bracket. MOUZ, a European roster competing under the Mousesports organisation, enters as the marginal favourite at 53% implied probability, reflecting their established competitive standing within the regional circuit. Legacy, representing a South American competitive presence, faces the structural disadvantage of travelling to a European venue with associated latency and preparation variables.

Historical precedent for MOUZ versus South American opposition shows mixed results depending on roster composition and timing within the season. Prior Major encounters between established European organisations and Legacy-tier competitors have typically favoured the European side, though upsets occur at roughly 35–40% frequency when the underdog possesses recent LAN preparation. The current 53% probability sits within the expected range for a seeded European team against a secondary region representative, neither overweighting MOUZ's advantage nor dismissing Legacy's capacity to execute a tactical upset.

Traders should monitor roster confirmations through to match start, as last-minute substitutions or visa delays remain material risks at international Majors. Scheduling adherence matters substantially here: the settlement window closes at 17:30 UTC on 11 June, providing a nine-hour buffer from the 07:30 ET start time. Any delay exceeding seven calendar days without resolution triggers the 50-50 tie settlement clause. Recent IEM events have maintained schedule integrity, though technical pauses averaging 20–40 minutes remain routine. Injury or equipment failure affecting either team's preparation in the 48 hours prior would shift probability materially.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Tax UK, which mirrors the Polymarket order book directly.

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 Polymarket Tax 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.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

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, Polymarket Tax UK triggers a quick verification flow that finishes in minutes.