Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
90% | 10% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
90% | 10% | 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 |
|---|---|
| Both Teams Slay a Dragon | 90% |
| Odd/Even Total Kills | 90% |
| Both Teams Slay Baron Nashor | 10% |
| Both Teams Destroy Inhibitors | 10% |
| Match Winner | 0% |
| Any Player Quadra Kill | 0% |
| Any Player Penta Kill | 0% |
Market context
The underlying event is a League of Legends match between ROSSMANN Centaurs and E WIE EINFACH E-SPORTS in the Prime League 1st Division Regular Season, scheduled for 8 July 2026 at 15:00 UTC. While the crowd-implied probability for ROSSMANN Centaurs winning sits at 0%, external data sources show a stark divergence: Strafe users predict ROSSMANN Centaurs with 78.5% confidence, and Robinhood markets price their share at 41¢ against 60¢ for E WIE EINFACH E-SPORTS[1][3]. Historically, such zero-probability on-chain signals often reflect liquidity gaps or settlement fears rather than genuine team weakness, especially when head-to-head records show ROSSMANN Centaurs with two wins against three for their opponent[1]. In comparable crypto-prediction cases, contracts with near-zero pricing frequently resolve to the favoured side once USDC settlement mechanics clear and whale flows align with spot exchange funding rates.
Traders should monitor the live match start at 15:00 UTC and any delay notifications beyond the seven-day resolution window, which would trigger a 50-50 outcome[4]. Key catalysts include real-time roster announcements and potential server disruptions, as Prime League matches have occasionally faced technical delays affecting settlement timing[5]. For crypto-focused participants, watch BTC and ETH macro movements; if funding rates spike or whale flows shift toward altcoins, on-chain liquidity for USDC settlement may tighten, impacting contract pricing volatility. Recent reports from Strafe confirm the match is active and scheduled, reducing cancellation risk[1]. As settlement resolves within one hour of the event, traders must align positions with exchange spot data and monitor Coinbase prediction markets for early price discovery[3][7].
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 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.
- 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.
- 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.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
Trade LoL: ROSSMANN Centaurs vs E WIE EINFACH E-SPORTS (BO… on BTC Prediction
Live order book, 0% fees, USDC settlement in seconds.
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