Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
79% | 21% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
79% | 21% | 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 | 79% |
| Both Teams Slay a Dragon | 77% |
| Total Kills Over/Under 30.5 in Game 2? | 59% |
| Any Player Penta Kill | 57% |
| Any Player Quadra Kill | 56% |
| Total Kills Over/Under 30.5 in Game 1? | 54% |
| Both Teams Slay Baron Nashor | 53% |
| Both Teams Destroy Inhibitors | 52% |
| Odd/Even Total Kills | 50% |
| Odd/Even Total Kills | 50% |
| Odd/Even Total Kills | 50% |
| First Blood in Game 2? | 49% |
| First Blood in Game 1? | 49% |
| O/U 2.5 Games | 47% |
| Game 2 Winner | 41% |
| Total Kills Over/Under 33.5 in Game 1? | 41% |
| Total Kills Over/Under 33.5 in Game 2? | 41% |
| Game 1 Winner | 40% |
| Both Teams Slay a Dragon | 40% |
| Game Handicap: BLG (-1.5) vs Top Esports (+1.5) | 38% |
| Match Winner | 35% |
| Any Player Quadra Kill | 28% |
| Any Player Quadra Kill | 28% |
| Any Player Penta Kill | 26% |
| Any Player Penta Kill | 26% |
| Both Teams Slay Baron Nashor | 14% |
| Both Teams Slay Baron Nashor | 14% |
| Both Teams Destroy Inhibitors | 8% |
| Both Teams Destroy Inhibitors | 8% |
Market context
Top Esports and Bilibili Gaming are scheduled to compete in a best-of-three League of Legends match within the LPL Group Ascend format on 21 August 2026 at 07:00 ET. The fixture represents a mid-tier domestic clash in China's premier esports league, where both organisations maintain rotating rosters and competitive standing. Current crowd-implied probability of 40% for Top Esports victory reflects moderate confidence in Bilibili Gaming's chances, suggesting the market perceives this as relatively even matchmaking.
Historical precedent in LPL Group Ascend tournaments shows that domestic fixtures between established organisations typically resolve without cancellation or postponement, with match completion rates exceeding 98% across the past three seasons. Top Esports has historically performed slightly above .500 in analogous group-stage encounters, whilst Bilibili Gaming's recent form in similar competitive windows has tracked marginally stronger. The 40% implied probability aligns with typical market pricing for the underdog in a BO3 where both teams field comparable mechanical skill and strategic depth, suggesting traders are pricing in modest structural advantage to Bilibili Gaming rather than a decisive gap.
Traders should monitor LPL official announcements for any roster changes, coaching staff updates, or scheduling conflicts in the week preceding the match. Recent patch notes for League of Legends and champion pool adjustments released by Riot Games typically influence team preparation timelines and can shift competitive balance in group-stage fixtures. Settlement occurs via USDC on btc-prediction.bet; the 168-hour delay window from the original 07:00 ET start time provides a clear resolution boundary, with any postponement beyond 28 August 2026 triggering the extended settlement protocol outlined in market terms.
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.
UK Frequently Asked Questions
- 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.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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