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 |
|---|---|
| Match Winner | 100% |
| Both Teams Slay a Dragon | 90% |
| Both Teams Slay Baron Nashor | 10% |
| Both Teams Destroy Inhibitors | 10% |
| Any Player Quadra Kill | 10% |
| Any Player Penta Kill | 10% |
| Odd/Even Total Kills | 10% |
Market context
Eintracht Spandau faces BIG in a Prime League 1st Division Regular Season League of Legends match scheduled for 18:00 UTC on 17 July 2026, with the crowd assigning a 100% implied probability to BIG winning the single-game bout. This certainty mirrors historical dominance where BIG previously defeated Eintracht Spandau 3–0 in an earlier Prime League encounter, establishing a clear performance gap that traders view as unassailable for this BO1 format [2].
Comparable cases in European amateur-to-pro transitions show that when a top-tier academy team like BIG enters lower-tier regular seasons, win rates often exceed 95% against regional clubs lacking equivalent roster depth or coaching infrastructure. The 100% pricing here reflects not just past results but the structural mismatch: BIG operates as a professional entity with VCS and ERL experience, while Eintracht Spandau remains a community-driven squad with limited high-stakes match exposure [2].
Traders should monitor the official match start time at wannspieltbig.de, where the fixture is listed as 18:00 UTC, and watch for any delay notices beyond the seven-day settlement window that could trigger a 50–50 resolution [1]. No roster announcements or schedule changes have been reported as of 17 July, and the USDC-settled contract will resolve automatically upon match completion, with BTC/ETH macro volatility unlikely to influence outcome mechanics given the fixed settlement date and on-chain execution rules.
Methodology
This page reads LoL: Eintracht Spandau vs BIG (BO1) - Prime League 1st Division Regular Season on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
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 are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- 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.
- 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.
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