Counter-Strike: ex-RUBY vs Ursa (BO3) - BC Game Masters Europe Series #2 Group Stage

Platform comparison

Active sub-markets

Market context

Ex-RUBY and Ursa will contest a best-of-three Counter-Strike match in Round 4 of the BC Game Masters Europe Series #2 group stage on 25 May, with the fixture scheduled for 07:00 ET. The 0% crowd probability suggests either minimal trading activity or strong consensus that one outcome carries negligible likelihood, though the settlement window extends to 17:00 on the same day, allowing roughly ten hours post-scheduled start for result confirmation.

Ex-RUBY has operated as a roster rebuild following the departure of several core players, whilst Ursa has maintained relative stability within the mid-tier European competitive landscape. Recent form data for both squads remains sparse in public reporting ahead of this group stage encounter. Comparable matches between newly-formed or transitional rosters and established mid-table teams typically exhibit higher volatility than the current market pricing suggests, particularly in best-of-three formats where map selection and preparation gaps compound across multiple games.

Traders should monitor official BC Game Masters announcements for any roster changes, stand-in deployments, or scheduling adjustments in the 48 hours preceding the match. Coaching staff changes or last-minute practice facility issues have historically affected European regional qualifiers. The settlement mechanism carries meaningful risk: if either team forfeits after the match begins, or if technical delays extend beyond seven days without completion, the market resolves 50-50 rather than to the leading team. Confirmation of both squads' final lineups and any official postponement notices will be critical data points before the scheduled 07:00 ET start.

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 PolyGram, 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 PolyGram, 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?

PolyGram 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.

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.

What does it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.