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 |
|---|---|
| Both Teams Slay Baron Nashor | 100% |
| Both Teams Slay a Dragon | 100% |
| Match Winner | 0% |
| Both Teams Destroy Inhibitors | 0% |
| Any Player Quadra Kill | 0% |
| Any Player Penta Kill | 0% |
| Odd/Even Total Kills | 0% |
Market context
Polymarket is pricing ZYB Esport v Vitality.Bee at **0% YES** today, even though the contract settles on who wins this best-of-one in the LFL regular season. That means a buyer of YES is paying for a near-zero chance that ZYB Esport wins on-chain via the market’s **USDC**-backed **conditional tokens** on **Polygon**, while a YES payout only occurs if the match result resolves to ZYB Esport under Polymarket’s rules.
The market looks extreme versus comparable read-throughs. Recent pre-match coverage on Bo3.gg put Vitality.Bee around **56%** and ZYB around **44%**, while Strafe’s matchup page had Vitality.Bee as the clear crowd favourite and noted a balanced head-to-head history, with each side having won twice in prior meetings. ZYB also beat Vitality.Bee in a May 2026 meeting on Sheep Esports’ match pages, so the underlying fixture has not been one-way in recent head-to-heads.
For traders, the main catalysts are straightforward: whether the game is actually played on schedule, whether the official LFL client and broadcast listings stay unchanged, and whether either roster is affected by late substitutions, forfeits, or postponement. Flashscore still lists the fixture for 6 August 2026, and Strafe and other match listings show the same BO1 format, so the key risk is not format ambiguity but event execution. If the match is delayed beyond seven days without a winner, or is cancelled, Polymarket’s contract resolves 50-50 rather than to either side.
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 Kalshi UK, which mirrors the Polymarket order book directly.
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
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- 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: ZYB Esport vs Vitality.Bee (BO1) - LFL Regular … on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
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