Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
69% | 31% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
69% | 31% | 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 | 69% |
| Both Teams Slay a Dragon | 65% |
| Both Teams Slay a Dragon | 65% |
| Game 2 Winner | 62% |
| Game 1 Winner | 61% |
| Both Teams Slay Baron Nashor | 54% |
| Both Teams Destroy Inhibitors | 53% |
| Any Player Quadra Kill | 53% |
| First Blood in Game 1? | 52% |
| Odd/Even Total Kills | 50% |
| Odd/Even Total Kills | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| First Blood in Game 2? | 50% |
| Total Kills Over/Under 30.5 in Game 2? | 50% |
| Total Kills Over/Under 30.5 in Game 1? | 50% |
| Total Kills Over/Under 27.5 in Game 1? | 50% |
| Total Kills Over/Under 27.5 in Game 2? | 50% |
| O/U 2.5 Games | 46% |
| Game Handicap: HLE (-1.5) vs KT Rolster (+1.5) | 44% |
| Both Teams Slay a Dragon | 40% |
| Both Teams Slay Baron Nashor | 28% |
| Both Teams Destroy Inhibitors | 28% |
| Any Player Quadra Kill | 28% |
| Both Teams Slay Baron Nashor | 28% |
| Both Teams Destroy Inhibitors | 28% |
| Any Player Quadra Kill | 28% |
| Any Player Penta Kill | 26% |
| Any Player Penta Kill | 26% |
Market context
Hanwha Life Esports and KT Rolster will compete in a best-of-three League of Legends match during the LCK Legend Group round on 15 August 2026, with settlement occurring at 14:00 UTC. The 62% crowd-implied probability favours Hanwha, reflecting their standing in Korea's top-tier professional league where roster stability and recent form carry substantial weight in determining match outcomes.
KT Rolster's historical record against mid-tier LCK opponents provides the baseline for interpreting current odds. Over the past two seasons, KT has maintained a winning record against Hanwha in direct matchups, though the gap has narrowed as Hanwha's roster matured. The Legend Group format—a secondary bracket for teams outside the primary contention—typically produces tighter competitive margins than headline fixtures, meaning individual player performance variance and draft execution become more decisive than macro dominance. Comparable BO3 matches in this bracket have resolved according to seeding roughly 65% of the time, suggesting the current probability reflects genuine uncertainty rather than consensus certainty.
Traders should monitor LCK official announcements regarding roster changes or player absences in the week preceding the match, as substitutions have historically shifted win probabilities by 8–12 percentage points. Recent patch notes affecting champion viability will influence team preparation timelines; any mid-week balance updates could favour one team's existing champion pool. Schedule delays remain a material risk given the settlement window's 7-day tolerance threshold—fixture congestion in the LCK often produces rescheduling. USDC settlement will execute upon confirmed match completion, with no partial resolution if the series begins but remains unfinished.
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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