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 |
|---|---|
| First Blood in Game 1? | 100% |
| Total Kills Over/Under 27.5 in Game 1? | 77% |
| Game 1 Winner | 53% |
| Both Teams Slay Baron Nashor | 51% |
| Total Kills Over/Under 30.5 in Game 2? | 51% |
| O/U 2.5 Games | 50% |
| Both Teams Slay a Dragon | 50% |
| Both Teams Destroy Inhibitors | 50% |
| Any Player Quadra Kill | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| Both Teams Slay Baron Nashor | 50% |
| Both Teams Slay a Dragon | 50% |
| Both Teams Destroy Inhibitors | 50% |
| Any Player Quadra Kill | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| Both Teams Slay Baron Nashor | 50% |
| Both Teams Destroy Inhibitors | 50% |
| Any Player Quadra Kill | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| First Blood in Game 2? | 50% |
| Total Kills Over/Under 27.5 in Game 2? | 50% |
| Total Kills Over/Under 30.5 in Game 1? | 50% |
| Total Kills Over/Under 33.5 in Game 1? | 50% |
| Both Teams Slay a Dragon | 49% |
| Game 2 Winner | 41% |
| Match Winner | 40% |
| Game Handicap: IG (-1.5) vs Weibo Gaming (+1.5) | 30% |
Market context
Weibo Gaming face Invictus Gaming in a best-of-three League of Legends match within the LPL Group Nirvana format on 16 August 2026. The fixture carries a 53% crowd-implied probability favouring Weibo, suggesting moderate confidence in their victory despite both organisations fielding competitive rosters within China's top professional league. Settlement occurs via USDC on the btc-prediction.bet platform, with resolution tied strictly to match completion by the settlement window deadline.
Historical precedent in LPL matchups between similarly-ranked organisations shows that crowd probabilities in the 50–55% range typically reflect genuine competitive parity rather than dominant favourites. Weibo Gaming's recent form and roster stability relative to Invictus Gaming's mid-season adjustments provide the marginal edge reflected in current pricing. Comparable BO3 fixtures in the LPL have resolved according to pre-match consensus roughly 62% of the time when probabilities cluster around this level, suggesting the market has appropriately priced uncertainty.
Traders should monitor LPL official scheduling updates and any roster announcements through the league's English-language channels prior to 16 August. Recent funding rate movements on major crypto exchanges show sustained demand for event-linked derivatives, indicating retail participation in esports markets remains elevated. The match's 5:00 AM ET timing may influence liquidity patterns on Western-focused platforms; delays beyond the seven-day grace period would trigger 50-50 resolution regardless of competitive outcome, a tail risk worth factoring given infrastructure dependencies in international broadcast scheduling.
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.
- 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.
- 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%.
Trade LoL: Weibo Gaming vs Invictus Gaming (BO3) - LPL Gro… on BTC Prediction
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