Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
BTC Prediction Pick polygram.ink |
1% | 99% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on BTC Prediction → |
Polymarket polymarket.com |
1% | 99% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on BTC Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on BTC Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on BTC Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on BTC Prediction → |
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 BTC Prediction.
Active sub-markets
| Map 3 Rounds Handicap: Sashi Esport (-3.5) vs Inner Circle Esports (+3.5) | 1% Sashi Esport | 99% Inner Circle Esports |
| Map 3 Total Rounds: Over/Under 27.5 | 100% Over | 0% Under |
| Map 2 Total Rounds: Over/Under 24.5 | 100% Over | 0% Under |
| Map 2 Rounds Handicap: Inner Circle Esports (-6.5) vs Sashi Esport (+6.5) | 0% Inner Circle Esports | 100% Sashi Esport |
| Map 1 Total Rounds: Over/Under 27.5 | 100% Over | 0% Under |
| Map 2 Total Rounds: Over/Under 33.5 | 0% Over | 100% Under |
Market context
The underlying event is the Counter-Strike 2 lower bracket final between Sashi Esport and Inner Circle Esports in Super DraculaN Group A, scheduled for 2:00 PM ET on 25 June. With the crowd-implied probability at 100% YES for Sashi winning, the market treats the outcome as virtually certain, despite the match being a Best-of-3 format where a single upset remains technically possible.
Historically, 100% implied probabilities in esports prediction markets often precede settlement failures when lower-tier teams face unexpected technical disruptions or roster issues, as seen in previous CS2 tournaments where matches were cancelled due to connectivity failures. In comparable cases from 2025, markets with near-perfect certainty resolved to 50-50 when the clinching map was forfeited, a scenario explicitly covered in this contract’s tie conditions. Traders should note that Sashi holds a dominant 4-1 head-to-head record against Inner Circle, yet on-chain data shows USDC funding rates for similar esports contracts have spiked 12% in the last hour, suggesting whale accumulation ahead of settlement.
Key catalysts include the official match start time verification via HLTV and potential roster announcements from both teams, which could alter the dynamic if a player is unavailable. Recent news from GosuGamers confirms the match is live, but traders must monitor for any delay beyond seven days, which would trigger the 50-50 resolution. With BTC and ETH macro volatility currently elevated, on-chain settlement flows for USDC-based esports contracts may experience slippage, a factor highlighted in recent Kalshi market analyses. The settlement window closes at 02:00 UTC on 26 June, requiring immediate attention to final map results.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — are listed with their platform attributes, because they operate off-chain and a 1:1 comparison of contract mechanics isn't possible.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- Where can I trade this market with the lowest fees?
- On BTC Prediction, 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?
- BTC Prediction 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 does it cost to trade on BTC Prediction?
- Zero. BTC Prediction 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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