Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
70% | 30% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
70% | 30% | 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 |
|---|---|
| Match Winner | 70% |
| Game 1 Winner | 65% |
| Game 2 Winner | 65% |
| Total Kills Over/Under 27.5 in Game 2? | 54% |
| Any Player Penta Kill | 52% |
| First Blood in Game 1? | 52% |
| First Blood in Game 2? | 52% |
| Total Kills Over/Under 27.5 in Game 1? | 52% |
| Both Teams Slay Baron Nashor | 51% |
| Both Teams Slay Baron Nashor | 50% |
| Both Teams Slay a Dragon | 50% |
| Both Teams Destroy Inhibitors | 50% |
| Any Player Quadra 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% |
| Odd/Even Total Kills | 50% |
| Both Teams Slay a Dragon | 50% |
| Both Teams Destroy Inhibitors | 50% |
| Any Player Quadra Kill | 50% |
| Odd/Even Total Kills | 50% |
| O/U 2.5 Games | 45% |
| Game Handicap: WB (-1.5) vs LNG Esports (+1.5) | 44% |
| Total Kills Over/Under 30.5 in Game 1? | 36% |
| Any Player Penta Kill | 26% |
| Any Player Penta Kill | 26% |
| Total Kills Over/Under 30.5 in Game 2? | 25% |
Market context
Weibo Gaming and LNG Esports are set for a best-of-three in LPL Group Nirvana, a format that makes map one especially important because the market resolves on the series winner, while an abandoned or unplayed match would fall back to 50-50 settlement rather than a team win. The listed start is 07:00 UTC, and the contract’s 7-day delay clause means any schedule slip beyond that without a completed winner would also remove the straight binary outcome.
The 65% YES price is higher than the narrower projections in recent preview work, which has generally framed this as a close series with LNG holding the edge on head-to-head history but Weibo carrying the better crowd narrative. One preview says Weibo have won 5 of 13 recorded meetings, while LNG won 8, and another notes LNG have taken three of the last five. Yet Weibo are also described as having a more stable core, with Xiaohu and Elk alongside Zika and Jiejie, whereas LNG have had more roster churn and less consistent cohesion this split.
For traders watching the on-chain side, the main catalyst is simply whether the match starts on time and reaches a clean result inside the settlement window, because Polymarket-style USDC contracts cannot distinguish between a live upset and a technical no-contest until the official outcome is known. The wider crypto backdrop is relevant only if the market is being priced alongside BTC and ETH risk sentiment; in that case, liquidity can widen around major weekend esports windows, but the decisive inputs here remain the official schedule, any broadcast or venue delay, and whether pre-match roster status changes emerge before lock.
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%.
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