LoL: T1 vs Dplus KIA (BO3) - LCK Round 3-4 Legend Group

Platform comparison

Market context

T1 face Dplus KIA in a best-of-three League of Legends match within the LCK's Legend Group stage, scheduled for 14 August 2026 at 04:00 ET. The Polymarket contract currently prices T1's victory at 56% implied probability, reflecting a narrow favouring of the defending champions despite Dplus KIA's consistent roster strength. Settlement occurs on Polygon via USDC-denominated conditional tokens, with the market resolving to 50-50 should the match not conclude within seven days of the scheduled date or face cancellation.

Historically, T1 has maintained a slight edge against Dplus KIA in recent LCK fixtures, though the matchup remains competitive. Over the past two seasons, T1's win rate against Dplus KIA hovers around 55–60%, consistent with the current market pricing. Dplus KIA's ability to contest T1 in macro play and mid-game teamfighting has occasionally produced upsets, particularly when T1's roster rotations introduce uncertainty. The 56% probability reflects neither team as a clear favourite, suggesting traders view this as a genuine toss-up influenced by patch conditions and player form at the time of play.

Key variables affecting settlement include roster announcements prior to 14 August, any schedule disruptions affecting LCK operations, and patch changes released before the match. Recent LCK broadcasts have shown both teams adapting to meta shifts, with Dplus KIA's support line and T1's bot lane representing critical matchup points. Traders should monitor official LCK communications for any postponements or format changes; the seven-day grace period creates potential for resolution ambiguity if delays occur near the settlement window deadline.

Methodology

This page reviews LoL: T1 vs Dplus KIA (BO3) - LCK Round 3-4 Legend Group across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.

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

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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%.