Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Game 1 Winner | 100% |
| Game 2 Winner | 100% |
| Match Winner | 100% |
| Game Handicap: LLL (-1.5) vs Vivo Keyd Stars (+1.5) | 100% |
| Both Teams Slay a Dragon | 100% |
| First Blood in Game 2? | 100% |
| Total Kills Over/Under 21.5 in Game 1? | 100% |
| Total Kills Over/Under 27.5 in Game 2? | 90% |
| Total Kills Over/Under 24.5 in Game 2? | 90% |
| Total Kills Over/Under 30.5 in Game 2? | 90% |
| Total Kills Over/Under 33.5 in Game 2? | 90% |
| Total Kills Over/Under 36.5 in Game 2? | 90% |
| Total Kills Over/Under 39.5 in Game 2? | 90% |
| Total Kills Over/Under 42.5 in Game 2? | 90% |
| Both Teams Slay Baron Nashor | 50% |
| Both Teams Slay a Dragon | 50% |
| Both Teams Destroy Inhibitors | 50% |
| Any Player Quadra Kill | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| Both Teams Slay Baron Nashor | 10% |
| Both Teams Slay a Dragon | 10% |
| Both Teams Destroy Inhibitors | 10% |
| Any Player Quadra Kill | 10% |
| Any Player Penta Kill | 10% |
| Odd/Even Total Kills | 10% |
| O/U 2.5 Games | 0% |
| Both Teams Slay Baron Nashor | 0% |
| Both Teams Destroy Inhibitors | 0% |
| Any Player Quadra Kill | 0% |
| Any Player Penta Kill | 0% |
| Odd/Even Total Kills | 0% |
| First Blood in Game 1? | 0% |
| Total Kills Over/Under 27.5 in Game 1? | 0% |
| Total Kills Over/Under 24.5 in Game 1? | 0% |
| Total Kills Over/Under 30.5 in Game 1? | 0% |
| Game Handicap: VKS (-1.5) vs LOUD (+1.5) | 0% |
Market context
Polymarket is pricing **LOUD** at 100% YES on this BO3, so the contract currently implies the market sees essentially no meaningful chance of a Vivo Keyd Stars win, a cancellation, or a delayed settlement within the seven-day window. Because the market is on Polygon and settles through conditional tokens against USDC, the practical question for holders is not the fixture itself, but whether the result is officially recorded in time and in the expected format.
The historical frame is mixed. LOUD beat Vivo Keyd Stars 2-0 in a CBLOL 2026 Split 1 meeting, while broader head-to-head pages show LOUD with a slight overall edge across past matchups, but not one so dominant that a 100% price is supported by the series history alone.[1][8][12] More recent preview data also points to volatility rather than certainty: one prediction model gives LOUD only a 56% win chance, even while favouring them 2-1, and Polymarket’s own market page describes both teams as near 3-4 in the split.[2][17]
For traders, the main catalysts are confirmation of the match starting and the live series state, since a postponed start, abandonment, or administrative change can alter resolution even if one team is favoured. Live schedule pages currently list the match for 9 August 2026 at 16:00 UTC, and multiple score trackers have it as an active fixture, which reduces but does not eliminate settlement risk from late rescheduling or broadcast disruption.[6][13][14] The price can also move if pre-match team news or venue timing changes emerge close to lock, but at 100% YES the contract is already effectively trading as if only a completed LOUD win matters.
Methodology
We track LoL: LOUD vs Vivo Keyd Stars (BO3) - CBLOL Regular Season 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
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
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%.
Trade LoL: LOUD vs Vivo Keyd Stars (BO3) - CBLOL Regular S… on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
Open live market →