Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
76% | 24% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
76% | 24% | 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 | 76% |
| Match Winner | 72% |
| Game 2 Winner | 66% |
| Game 1 Winner | 65% |
| Total Kills Over/Under 27.5 in Game 2? | 57% |
| Total Kills Over/Under 27.5 in Game 1? | 56% |
| Odd/Even Total Kills | 52% |
| Both Teams Slay a Dragon | 52% |
| Any Player Penta Kill | 52% |
| First Blood in Game 1? | 51% |
| Both Teams Destroy Inhibitors | 50% |
| Any Player Quadra Kill | 50% |
| Both Teams Slay Baron Nashor | 50% |
| Both Teams Slay a Dragon | 50% |
| Any Player Quadra Kill | 50% |
| Odd/Even Total Kills | 50% |
| Both Teams Slay Baron Nashor | 50% |
| Any Player Quadra Kill | 50% |
| Odd/Even Total Kills | 50% |
| First Blood in Game 2? | 50% |
| Both Teams Destroy Inhibitors | 49% |
| Total Kills Over/Under 30.5 in Game 2? | 45% |
| O/U 2.5 Games | 44% |
| Game Handicap: JDG (-1.5) vs ThunderTalk Gaming (+1.5) | 43% |
| Total Kills Over/Under 30.5 in Game 1? | 43% |
| Both Teams Slay Baron Nashor | 24% |
| Any Player Penta Kill | 24% |
| Any Player Penta Kill | 24% |
| Both Teams Destroy Inhibitors | 23% |
Market context
JD Gaming face ThunderTalk Gaming in a League of Legends best-of-three match within the LPL Group Ascend competition, scheduled for 20 August at 05:00 ET. The contest determines seeding and advancement within China's premier esports league structure. Settlement occurs in USDC upon match completion, with the 65% crowd probability favouring JD Gaming reflecting their historical standing and recent roster composition.
JD Gaming have maintained mid-to-upper tier consistency across recent LPL seasons, whilst ThunderTalk Gaming represent a lower-seeded challenger roster. Historical precedent suggests matches between ranked tiers in group stages favour the higher-seeded organisation in approximately 70% of cases, though upsets occur when roster changes or meta shifts align with preparation advantages. The current probability sits slightly below this baseline, suggesting modest uncertainty around recent form or player availability.
Traders should monitor LPL official announcements for roster confirmations or last-minute substitutions in the 48 hours preceding the match, as injury or visa delays have previously forced schedule adjustments. Patch timing relative to the match date affects champion viability and preparation depth; any mid-week balance changes could shift advantage toward the team with superior scrim adaptation. The match sits within a broader LPL window where funding rates across major exchanges occasionally spike around high-stakes esports events, though direct correlation remains weak. Cancellation risk is minimal given LPL's established infrastructure, but the 7-day delay clause creates a tail-risk scenario if unforeseen circumstances extend beyond standard rescheduling windows.
Methodology
This page reads LoL: JD Gaming vs ThunderTalk Gaming (BO3) - LPL Group Ascend 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.
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.
- 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.
- 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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