Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
47% | 53% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
47% | 53% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Kalshi UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Kalshi UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Kalshi UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Kalshi 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 UK.
Active sub-markets
| Map 1 Winner | 47% Aurora Gaming | 54% 9z |
| Map 2 Winner | 55% Aurora Gaming | 46% 9z |
| Match Winner | 52% Aurora Gaming | 49% 9z |
| O/U 2.5 Games | 49% Over | 52% Under |
| Map Handicap: 9z (-1.5) vs Aurora Gaming (+1.5) | 27% 9z | 74% Aurora Gaming |
| Map 1 Rounds Handicap: 9z (-3.5) vs Aurora Gaming (+3.5) | 34% 9z | 67% Aurora Gaming |
Market context
The Counter-Strike match between Aurora Gaming and 9z at IEM Cologne Major Stage 3 is priced at 47% on Polymarket's conditional token contract, implying roughly even odds despite Aurora holding slight favouritism in traditional betting markets. The best-of-three format scheduled for 14 June at 10:30 AM ET creates a settlement window closing at 20:30 UTC, allowing roughly ten hours for completion. USDC liquidity on Polygon has remained modest, typical for regional qualifier matches in the Major circuit, with the conditional token structure meaning traders are essentially backing one team's advancement through this specific round rather than broader tournament positioning.
Aurora Gaming and 9z represent the lower-tier South American and Eastern European competitive tiers respectively, making historical head-to-head data sparse. When comparing similar matchups from previous Major stages, teams seeded in the lower bracket typically show 45–55% win probability ranges depending on recent LAN form and map pool overlap. Neither side has demonstrated consistent top-eight finishes at Valve-sponsored events, suggesting the 47% price reflects genuine uncertainty rather than information asymmetry.
Traders should monitor ESL's official schedule confirmations through 13 June, as technical delays or player visa complications have affected previous Cologne iterations. Recent roster changes at both organisations—Aurora Gaming cycled players in May whilst 9z maintained stability—favour the latter's map coordination, though this remains unpriced relative to the conditional token's current valuation. Map veto announcements typically occur 30 minutes before match start, providing final adjustment opportunities for informed traders.
Methodology
We track Counter-Strike: Aurora Gaming vs 9z (BO3) - IEM Cologne Major Stage 3 on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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 Kalshi 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.
- 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 Kalshi UK?
- Zero. Kalshi UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- 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 UK triggers a quick verification flow that finishes in minutes.
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