LoL: KT Rolster Challengers vs Nongshim Esports Academy (BO3) - LCK Challengers League Rounds 3-4 Challenge Group

Platform comparison

Market context

KT Rolster Challengers will face Nongshim Esports Academy in a League of Legends best-of-three match within the LCK Challengers League's Rounds 3-4 Challenge Group bracket. The fixture is scheduled for 13 August at 1:00 AM ET. In prediction markets, a YES share represents a bet that KT Rolster Challengers will win; a NO share bets on Nongshim Esports Academy's victory. The current market shows 100% implied probability for a YES outcome, meaning traders are pricing in an extremely high likelihood of KT Rolster Challengers prevailing. This extreme skew warrants scrutiny, as such probabilities typically reflect either decisive historical dominance or incomplete information about team rosters and recent form.

The LCK Challengers League serves as South Korea's secondary competitive tier, where academy squads and emerging organisations compete for promotion and development opportunities. Historical matchups between these organisations, combined with recent tournament placements and player roster stability, would normally inform probability calibration. However, academy-level League of Legends competition experiences frequent roster changes and limited public match footage compared to the main LCK division, making reliable historical comparison difficult. The 100% probability suggests either overwhelming consensus on KT Rolster Challengers' superiority or insufficient market liquidity to reflect genuine uncertainty.

Traders should monitor official LCK Challengers League announcements for any roster changes, player injuries, or schedule confirmations closer to the settlement window. The seven-day delay clause means matches postponed beyond 20 August without resolution trigger a no-contest settlement. Recent esports scheduling disruptions have occasionally affected secondary-tier competitions, so verification of the fixture's confirmation status remains essential before the 13 August deadline.

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

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

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.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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%.