Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
82% | 18% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
82% | 18% | 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 | 82% |
| Game 1 Winner | 74% |
| Game 2 Winner | 74% |
| Both Teams Slay a Dragon | 65% |
| Both Teams Slay a Dragon | 64% |
| Total Kills Over/Under 27.5 in Game 1? | 59% |
| Total Kills Over/Under 27.5 in Game 2? | 59% |
| First Blood in Game 2? | 57% |
| Game Handicap: JDG (-1.5) vs EDward Gaming (+1.5) | 55% |
| Both Teams Slay Baron Nashor | 52% |
| Any Player Penta Kill | 52% |
| Both Teams Destroy Inhibitors | 51% |
| Any Player Quadra Kill | 50% |
| Odd/Even Total Kills | 50% |
| Any Player Quadra Kill | 50% |
| Odd/Even Total Kills | 50% |
| Any Player Quadra Kill | 50% |
| Odd/Even Total Kills | 50% |
| First Blood in Game 1? | 50% |
| Total Kills Over/Under 30.5 in Game 1? | 46% |
| Total Kills Over/Under 30.5 in Game 2? | 46% |
| Both Teams Slay a Dragon | 41% |
| O/U 2.5 Games | 37% |
| Any Player Penta Kill | 26% |
| Any Player Penta Kill | 26% |
| Both Teams Slay Baron Nashor | 20% |
| Both Teams Slay Baron Nashor | 20% |
| Both Teams Destroy Inhibitors | 17% |
| Both Teams Destroy Inhibitors | 17% |
Market context
JD Gaming meet EDward Gaming in a best-of-three LPL Group Ascend series, and the current **75%** crowd price implies JDG are a clear favourite. That sits above the most recent published match-level pricing, where third-party prediction boards and bookmakers still leaned to JD Gaming, with odds around 1.4 for JDG versus roughly 2.7 for EDG, while one live market snapshot showed a lower **50%** read before kickoff. [10][9]
The historical frame supports a JDG bias, even if not an overwhelming one. Recent matchup data shows JD Gaming have taken the last five meetings and are credited with a 100% win rate in that span on one analyst feed, while another head-to-head record gives JDG an overall edge from 24 meetings, 11 wins to EDG’s 13, with the latest series ending 3-1 to JDG. [1][9] In market terms, that means the on-chain contract is pricing both sporting form and the familiar tendency for BO3 favourites to be overbet when roster and macro narratives line up; if the match is postponed beyond the seven-day settlement rule, the USDC outcome falls back to 50-50 regardless of pre-match conviction.
Traders should watch for any late schedule changes, broadcast or lobby confirmations, and whether either team posts roster or substitution news close to the start time. The main live catalyst is simple: if JDG field their expected lineup and the series begins on time, the market will usually track the same information that drives the off-chain price, namely recent form, side selection, and whether EDG can force early-game volatility rather than a controlled macro game. Broader crypto conditions may matter at the margin only through liquidity and risk appetite; BTC and ETH moves can affect how aggressively prediction-market capital rotates, but they do not change the settlement logic, which remains fixed in USDC on the match result.
Methodology
This page reads LoL: JD Gaming vs EDward 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.
- 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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