Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket Tax UK Pick polygram.ink |
51% | 49% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket Tax UK → |
Polymarket polymarket.com |
51% | 49% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket Tax UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket Tax UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket Tax UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket Tax UK → |
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 Polymarket Tax UK.
Active sub-markets
| Map 1 Winner | 51% GamerLegion | 50% BIG |
| Map 2 Winner | 55% GamerLegion | 45% BIG |
| Match Winner | 55% GamerLegion | 46% BIG |
| O/U 2.5 Games | 49% Over | 51% Under |
| Map Handicap: GL (-1.5) vs BIG (+1.5) | 30% GamerLegion | 70% BIG |
| Map 1 Total Rounds: Over/Under 21.5 | 51% Over | 50% Under |
Market context
GamerLegion and BIG will meet in Round 4 of the IEM Cologne Major Stage 1 Counter-Strike tournament on 4 June 2026. The best-of-three match is scheduled for 10:30 AM ET, with settlement occurring at 20:30 UTC the same day. This is a high-stakes competitive fixture within one of Counter-Strike's premier annual events, where both teams compete for ranking points and prize pool advancement.
The 51% crowd probability reflects a near-even matchup with marginal lean toward GamerLegion. Historically, IEM Cologne majors have seen significant variance in seeding outcomes; teams ranked similarly in rating systems often produce unpredictable results across map pools and meta shifts. BIG's performance at previous Cologne events shows volatility depending on roster stability and preparation depth. GamerLegion's recent form and map veto strategy will be material factors. Comparable Round 4 matches at this event have frequently gone to full three maps, extending match duration beyond initial scheduling estimates.
Traders should monitor official ESL Pro League communications for any schedule adjustments, roster changes, or technical delays affecting the 4 June fixture. Player availability announcements in the 48 hours before match time are critical; absences due to visa issues or illness have historically forced forfeits at major tournaments. The match begins play on 4 June; if it extends beyond 11 June without completion or a winner is determined by forfeiture, the market resolves 50-50 per the stated conditions. No-KYC access up to £1,500 on UK-regulated platforms means traders can participate without identity verification below this threshold, though regulatory frameworks under the Gambling Commission and German GlüStV (where applicable to EU traders) impose reporting obligations on operators above certain volumes.
Methodology
This page reviews Counter-Strike: GamerLegion vs BIG (BO3) - IEM Cologne Major Stage 1 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 Polymarket Tax UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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.
- Is this market available outside the US?
- Polymarket Tax 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.
- 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.
- 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.
Trade Counter-Strike: GamerLegion vs BIG (BO3) - IEM Colog… on Polymarket Tax UK
Live order book, 0% fees, USDC settlement in seconds.
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