LoL: ROSSMANN Centaurs vs BIG (BO3) - Prime League 1st Division Group A

Platform comparison

Market context

ROSSMANN Centaurs face BIG in a best-of-three League of Legends series in Prime League 1st Division Group A, and the market’s 0% implied YES price leaves the underdog as a very slim live-ticket rather than a consensus pick. On recent comparable results, BIG has held the edge in this pairing: they beat ROSSMANN Centaurs 1-0 on 7 July 2026 and also won 2-0 in the spring split, while Strafe’s head-to-head log shows BIG 8-0 across their meetings. That history fits the broader market shape, with BIG typically priced as the favourite and ROSSMANN Centaurs needing a clean draft edge or early-game snowball to force a surprise.

For traders, the main catalysts are simple but important: confirm the match actually starts, then watch for roster, schedule or admin updates that could affect a 50-50 settlement if the series is not played, and monitor whether it reaches a finish before the seven-day delay threshold. GosuGamers and Strafe both list the match as an upcoming BO3 on 6 August, while Liquipedia shows BIG at the top of Group A and ROSSMANN Centaurs still competing in the same summer group stage, which supports the view that consensus remains firmly with BIG. The contrarian angle is narrow but real: if the market is overconfident in a 2-0 script, a longer series or map one upset can give ROSSMANN Centaurs more value than the outright line suggests.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track LoL: ROSSMANN Centaurs vs BIG (BO3) - Prime League 1st Division Group A across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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%.