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Counter-Strike: GamerLegion vs BIG (BO3) - IEM Cologne Major Stage 1

Polymarket vs Kalshi vs Betfair vs Smarkets for "Counter-Strike: GamerLegion vs BIG (BO3) - IEM Cologne Major Stage 1" — live odds, fees and KYC side-by-side.

51% YES 49% NO Volume: $149K Liquidity: $307K Closes: 4 Jun 2026
Trade on Kalshi Alternative UK →
Counter-Strike: GamerLegion vs BIG (BO3) - IEM Cologne Major Stage 1

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Kalshi Alternative UK Pick
polygram.ink
 51% 49% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Open on Kalshi Alternative UK →
Polymarket
polymarket.com
 51% 49% 0% Geo-blocked in US/UK/EU USDC, on-chain Open on Kalshi Alternative UK →
Kalshi
kalshi.com
 — — Up to 7% per trade US-only, KYC required USD Open on Kalshi Alternative UK →
Betfair Exchange
betfair.com
 — — 2-5% commission Full KYC from first trade GBP / EUR Open on Kalshi Alternative UK →
Manifold Markets
manifold.markets
 — — Play-money (mana) None — play-money Mana (no cash-out) Open on Kalshi Alternative 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 Kalshi Alternative UK.

Active sub-markets

Map 1 Winner51% YES50% NO
Map 2 Winner55% YES46% NO
Match Winner54% YES47% NO
O/U 2.5 Games49% YES52% NO
Map Handicap: GL (-1.5) vs BIG (+1.5)30% YES70% NO
Map 1 Total Rounds: Over/Under 21.551% YES50% NO

Market context

The Counter-Strike: GamerLegion vs BIG (BO3) - IEM Cologne Major Stage 1 prediction market currently prices this outcome at 51% YES. This market refers to the Counter-Strike Round 4 match between GamerLegion and BIG in the IEM Cologne Major Stage 1, initially scheduled for June 4 at 10:30AM ET. This market will resolve to "GamerLe…

Methodology

This page compares Counter-Strike: GamerLegion vs BIG (BO3) - IEM Cologne Major Stage 1 specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to Kalshi Alternative UK, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.

Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.

FAQ

Is this market available outside the US?
Kalshi Alternative 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.
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, Kalshi Alternative UK triggers a quick verification flow that finishes in minutes.
Emma RobertsEmma RobertsFinancial JournalistandSarah MitchellSarah MitchellPolitical Markets Writer

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