Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Market UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Game 1 Winner | 100% |
| O/U 2.5 Games | 100% |
| Both Teams Slay a Dragon | 100% |
| Odd/Even Total Kills | 100% |
| Both Teams Slay Baron Nashor | 90% |
| Both Teams Slay a Dragon | 90% |
| Both Teams Slay a Dragon | 90% |
| Odd/Even Total Kills | 90% |
| Any Player Quadra Kill | 50% |
| Any Player Penta Kill | 50% |
| Any Player Quadra Kill | 50% |
| Any Player Penta Kill | 50% |
| Any Player Quadra Kill | 50% |
| Any Player Penta Kill | 25% |
| Both Teams Destroy Inhibitors | 10% |
| Odd/Even Total Kills | 10% |
| Both Teams Slay Baron Nashor | 10% |
| Both Teams Destroy Inhibitors | 10% |
| Game 2 Winner | 0% |
| Match Winner | 0% |
| Game Handicap: NS.EA (-1.5) vs Dplus KIA Challengers (+1.5) | 0% |
| Both Teams Slay Baron Nashor | 0% |
| Both Teams Destroy Inhibitors | 0% |
Market context
The LCK Challengers League is South Korea's second-tier competitive League of Legends circuit, where academy teams and challenger squads compete for promotion and recognition. Nongshim Esports Academy and Dplus KIA Challengers are scheduled to face off in a best-of-three match during the Rounds 3–4 Challenge Group phase on 11 August at 6:00 AM ET. A YES share represents a bet on Nongshim Esports Academy winning the series; a NO share represents a bet on Dplus KIA Challengers winning. The current market probability sits at 100% YES, indicating traders believe Nongshim's victory is virtually certain.
The 100% probability reflects either a significant information asymmetry—such as confirmed roster changes, injury disclosures, or withdrawal announcements—or a technical market condition where liquidity is minimal and early traders have moved the price to an extreme. Historically, LCK Challengers matches rarely settle at such certainty unless one team has publicly announced they cannot field a roster or the fixture has been formally postponed. Comparable esports markets typically show 60–75% confidence in favoured outcomes, making this reading an outlier worth scrutinising.
Traders should monitor official LCK communications and team social media for roster confirmations, schedule amendments, or cancellation notices through the settlement window closing on 11 August at 16:45 UTC. Any delay beyond seven days without a determined winner triggers a no-contest resolution. Recent LCK announcements and team statements remain the primary catalysts; fixture confirmations typically arrive 48–72 hours before match time.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Market UK, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
UK Frequently Asked Questions
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Prediction Market UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- 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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