Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Map 1 Winner | 100% |
| Map 2 Winner | 100% |
| Match Winner | 100% |
| Map Handicap: SPARTA (-1.5) vs ENCE (+1.5) | 100% |
| Map 1 Total Rounds: Over/Under 21.5 | 100% |
| Map 2 Rounds Handicap: SPARTA (-3.5) vs ENCE (+3.5) | 100% |
| Map 1 Total Rounds: Over/Under 18.5 | 100% |
| Map 2 Total Rounds: Over/Under 18.5 | 100% |
| Map 3 Total Rounds: Over/Under 21.5 | 50% |
| Map 2 Rounds Handicap: SPARTA (-9.5) vs ENCE (+9.5) | 1% |
| O/U 2.5 Games | 0% |
| Map 2 Total Rounds: Over/Under 21.5 | 0% |
| Map 1 Total Rounds: Over/Under 24.5 | 0% |
| Map 1 Rounds Handicap: SPARTA (-3.5) vs ENCE (+3.5) | 0% |
| Map 1 Rounds Handicap: SPARTA (-6.5) vs ENCE (+6.5) | 0% |
| Map 1 Rounds Handicap: SPARTA (-9.5) vs ENCE (+9.5) | 0% |
| Map 2 Rounds Handicap: SPARTA (-6.5) vs ENCE (+6.5) | 0% |
| Map 2 Total Rounds: Over/Under 24.5 | 0% |
Market context
SPARTA, ranked 106 globally, faces ENCE at 165 in the European Pro League Series 8 Group C BO3, a match scheduled for 6:30AM ET on 8 July. The 100% YES crowd-implied probability suggests SPARTA is viewed as a near-certain winner, yet the map pool remains unconfirmed and the teams are separated by only 59 ranking points.
Historical precedents in lower-tier CS2 groups show that 100% probabilities often collapse when unranked map picks or early forfeiture occur, as seen in the Thunderpick World Championship 2025 where ENCE and SPARTA clashed with volatile outcomes[5]. In double-elimination GSL formats, top-two advancement pressure can trigger unexpected collapses, making absolute certainty rare despite ranking gaps[3].
Traders must monitor the official Liquipedia bracket for map confirmations and any pre-match announcements regarding player availability or team substitutions, as these dependencies directly impact settlement[3]. Funding rates on BTC/ETH futures and USDC whale flows into prediction contracts may signal macro-driven capital shifts that could alter on-chain liquidity before the 16:30:00Z settlement window closes on 8 July 2026.
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 — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
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
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
Trade Counter-Strike: SPARTA vs ENCE (BO3) - European Pro … on BTC Prediction
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