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% |
| 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% |
| Match Winner | 0% |
Market context
League of Legends Upper bracket semifinal 1 pits Team Secret against Sentinels in a single-game elimination at the Esports World Cup Group B, scheduled for 5:00AM ET on 15 July. The crowd-implied probability of Team Secret winning sits at 0%, reflecting a near-total consensus that Sentinels will secure the victory and advance. This market settles in USDC on btc-prediction.bet, with resolution tied directly to the match outcome rather than on-chain oracle delays, mirroring how crypto prediction platforms handle live esports contracts where settlement follows the official event result.
Historical precedents in similar BO1 esports prediction markets show that 0% probabilities often signal either a mismatch in team form or a lack of liquidity rather than an absolute certainty, as seen in past Polymarket esports contracts where late whale flows shifted odds from single digits to 20–30% before matches began [1]. In cases where one team dominates the other in recent head-to-head records or tier rankings, markets can remain pinned at extremes until pre-match trading volume reveals hidden sentiment, though such shifts are rare in high-profile tournaments with deep liquidity.
Traders should monitor the official Twitch and YouTube broadcast channels for any schedule changes or team roster announcements, as the Esports World Cup format is strict on timing and cancellations trigger a 50-50 resolution [2]. With the settlement window closing at 15:45:00Z on 15 July, any delay beyond seven days or incomplete match will default to equal odds, making real-time event monitoring critical. Funding rates on BTC and ETH may indirectly influence liquidity inflows into this market, as macro crypto volatility often correlates with speculative trading volume in esports prediction contracts.
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.
- 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 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.
- 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: Team Secret vs Sentinels (BO1) - Esports World … on BTC Prediction
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