Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Best Prediction Markets Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Best Prediction Markets → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Best Prediction Markets → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Best Prediction Markets → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Best Prediction Markets → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Best Prediction Markets → |
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 Best Prediction Markets.
Active sub-markets
| Map 1 Winner | 0% Inner Circle Esports | 100% Sharks |
| Map 2 Winner | 100% Inner Circle Esports | 0% Sharks |
| Match Winner | 100% Inner Circle Esports | 0% Sharks |
| O/U 2.5 Games | 100% Over | 0% Under |
| Map Handicap: ICE (-1.5) vs Sharks (+1.5) | 0% Inner Circle Esports | 100% Sharks |
| Map 1 Total Rounds: Over/Under 21.5 | 100% Over | 0% Under |
Market context
The underlying event is the Counter-Strike 2 Semifinal 1 match between Inner Circle Esports and Sharks, scheduled for 8:00 AM ET on 27 June 2026 as a Best of 3 series in the Super DraculaN Playoffs. This fixture determines which team advances, with the market resolving to Inner Circle if they win, to Sharks if they win, and to a 50-50 split if the match is cancelled, tied, or delayed beyond seven days.
Historical precedents in this tournament show that crowd-implied probabilities often diverge sharply from sportsbook lines when map veto strategies alter perceived fairness. In the recent Lower Bracket clash, Sharks defeated Inner Circle 2-0 on Mirage and Nuke, yet Thunderbook odds still favoured Inner Circle at 1.78 versus Sharks at 1.92, suggesting bookmakers underestimated Sharks’ Nuke ban capability [2]. Strafe users overwhelmingly back Sharks with 86.3% of votes, while Kalshi markets assign Sharks a 54% chance, contrasting with the 0% YES probability on this contract, indicating a significant pricing inefficiency between prediction markets and analyst consensus [1][4].
Traders should monitor the official map veto announcement, as Inner Circle’s ability to ban Nuke could neutralise Sharks’ strongest map and shift series momentum [2]. Additionally, watch for any schedule adjustments or delay notices from HLTV, as the market expires on 11 July if no winner is declared within seven days [4]. Recent coverage confirms the match is live on 27 June at 1:40 PM local time, with Sharks advancing from the Lower Bracket after their 2-0 victory [1][5].
Methodology
We track Counter-Strike: Inner Circle Esports vs Sharks (BO3) - Super DraculaN Playoffs 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 Best Prediction Markets, 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.
- 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 Best Prediction Markets?
- Zero. Best Prediction Markets 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.
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