Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
100% | 0% | 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
| Match Winner | 100% Sharks | 0% Eternal Fire |
| O/U 2.5 Games | 0% Over | 100% Under |
| Map Handicap: SHK (-1.5) vs Eternal Fire (+1.5) | 100% Sharks | 0% Eternal Fire |
| Map 1 Total Rounds: Over/Under 21.5 | 100% Over | 0% Under |
| Map 2 Total Rounds: Over/Under 21.5 | 0% Over | 100% Under |
| Map 3 Total Rounds: Over/Under 21.5 | 50% Over | 50% Under |
Market context
Sharks face Eternal Fire in the Upper Bracket quarterfinal of the DraculaN Group A, a Counter-Strike match scheduled for 2:00 PM ET today. On Polymarket, this contract trades at 100% YES for Sharks, implying near-certain victory despite NetBet offering Sharks at 1.60 odds against Eternal Fire’s 2.08 [1]. The on-chain price, settled in USDC on Polygon via conditional tokens, reflects a market that has already priced out any doubt, even as world rankings show Sharks at 33 and Eternal Fire at 69 [3].
Historically, 100% Polymarket prices in esports BO3s have resolved to the 50-50 clause when matches were delayed beyond seven days or ended in ties, as seen in the 2025 ESL Pro League quarterfinal where Spirit’s match against Eternal Fire stalled due to server failures [2]. Yet, when teams are ranked with a clear gap and bookmakers assign a 1.60 favourite, the conditional token mechanism rarely triggers the tie clause unless external disruptions occur.
Traders should monitor the live score feed on Liquipedia and confirm the map selection before the match begins, as unannounced map changes can shift momentum unexpectedly [8]. A recent update from EGamersWorld notes Eternal Fire’s 60% win rate this season, but their lower ranking suggests vulnerability against top-tier opponents like Sharks [4]. Watch for any pre-match announcements regarding player availability or technical dependencies, as these are the only catalysts that could invalidate the current 100% pricing.
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 Kalshi UK, which mirrors the Polymarket order book directly.
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
- Is this market available outside the US?
- Kalshi 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.
- 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 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.
Trade Counter-Strike: Sharks vs Eternal Fire (BO3) - Dracu… on Kalshi UK
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