LoL: Team Vitality vs Movistar KOI (BO5) - LEC Playoffs

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Market context

Team Vitality face Movistar KOI in the LEC upper bracket semifinal on 23 May, with the 22% implied probability suggesting the market favours KOI as the stronger side heading into playoffs. Vitality finished the regular season in fourth place with a 10–8 record, whilst KOI secured second with 12–6, reflecting a consistent gap in regular-season performance. The matchup hinges on whether Vitality's playoff experience and mid-lane strength can overcome KOI's superior macro play and bot-lane consistency.

Vitality's recent form entering playoffs showed volatility, with inconsistent performances against top-four teams in the final weeks of the split. KOI, conversely, demonstrated steadier execution and fewer lapses in late-game decision-making. Coaching stability matters here: Vitality made no mid-season adjustments to their staff, whilst KOI's structure remained intact. Historical precedent suggests teams finishing 10+ points behind in the regular season rarely overturn such deficits in single-elimination formats; however, Vitality's roster experience in international competition provides some counter-narrative to pure seeding strength.

Traders should monitor team announcements regarding player health or roster confirmations through to match day, given the compressed playoff schedule. Schedule dependencies are minimal—both teams play only this match before potential finals advancement. The settlement window extends to 24 May at 21:00 UTC, providing a full day buffer beyond the scheduled 11:00 AM ET start, though delays beyond seven days would trigger a 50-50 resolution per the market rules.

Methodology

This page reviews LoL: Team Vitality vs Movistar KOI (BO5) - LEC Playoffs across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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.

FAQ

Where can I trade this market with the lowest fees?

On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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 it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.