LoL: Vivo Keyd Stars vs LOS (BO3) - CBLOL Regular Season

Platform comparison

Market context

Vivo Keyd Stars face LOS in a best-of-three League of Legends fixture within the CBLOL regular season, scheduled for 15 August at 2:00PM ET. The 32% implied probability for Keyd Stars reflects their current standing as the underdog in this matchup, though the Brazilian league's competitive depth means mid-table fixtures carry genuine uncertainty around form and preparation quality.

Keyd Stars' recent trajectory in CBLOL provides the primary lens for assessing this probability. The organisation has historically fluctuated between playoff contention and mid-table finishes, with their win rate against comparable-ranked opponents typically ranging between 45–55% depending on roster stability and meta alignment. LOS, conversely, has established itself as a more consistent performer in recent splits, which explains the market's 68% lean towards their victory. However, best-of-three formats introduce volatility; teams that lose game one often adjust successfully in subsequent games, making the series outcome less predictable than single-match contests.

Traders should monitor roster announcements or last-minute substitutions in the 48 hours preceding the match, as CBLOL teams occasionally field different lineups for regular-season fixtures. Schedule adherence matters given the 7-day delay clause in settlement terms—any postponement beyond 16 August without completion triggers a 50-50 resolution. Recent CBLOL broadcasts have maintained consistent scheduling, though technical issues or player unavailability remain possible. Patch changes affecting champion viability could also shift preparation priorities between now and match day, particularly if Riot releases balance updates affecting high-priority picks for either team's primary strategies.

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 Today, 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

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.

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.

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%.