Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
| Map 1 Winner | 0% YES | 100% NO |
| Map 2 Winner | 100% YES | 0% NO |
| O/U 2.5 Games | 100% YES | 0% NO |
| Map Handicap: ex-RUBY (-1.5) vs Ursa (+1.5) | 0% YES | 100% NO |
| Odd/Even Total Kills | 0% YES | 100% NO |
| Odd/Even Total Rounds | 0% YES | 100% NO |
Market context
The BC Game Masters Europe Series #2 Group Stage will feature a best-of-three Counter-Strike encounter between ex-RUBY and Ursa on 25 May at 07:00 ET. This is a regional European qualifier-tier fixture within a broader esports tournament circuit. The match outcome determines advancement positioning within the group phase, making it a consequential fixture for both rosters' tournament trajectories.
The 0% implied probability reflects either minimal liquidity, late-stage market conditions, or genuine uncertainty about match execution rather than a substantive assessment of ex-RUBY's competitive standing. Comparable tier-two European Counter-Strike fixtures at this stage typically see resolution without incident, though forfeit or cancellation clauses do activate occasionally when rosters experience roster instability or travel complications. Historical precedent suggests that matches scheduled within official tournament brackets like BC Game Masters rarely cancel outright, though delays beyond the seven-day window have occurred in regional European series when organisers reschedule group stages.
Traders monitoring this market should track roster announcements from both teams in the 48 hours preceding the fixture, particularly any player substitutions or visa-related complications that could trigger forfeiture conditions. The settlement window's 7 May margin provides a buffer, but European regional tournaments occasionally compress schedules or shift match timings without formal cancellation. Programmatic monitoring should flag any official BC Game Masters communications regarding group stage rescheduling, as these often precede individual match delays. The 50-50 resolution clause for matches delayed beyond seven days without completion creates a distinct risk vector; conditional order logic should account for this outcome separately from standard win/loss binary expectations.
Methodology
This page reviews Counter-Strike: ex-RUBY vs Ursa (BO3) - BC Game Masters Europe Series #2 Group Stage across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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