Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Any Player Quadra Kill | 100% |
| Both Teams Slay a Dragon | 90% |
| Odd/Even Total Kills | 90% |
| Both Teams Slay Baron Nashor | 10% |
| Both Teams Destroy Inhibitors | 10% |
| Any Player Penta Kill | 1% |
| Match Winner | 0% |
Market context
ZYB Esport face Ici Japon Corp. Esport in an LFL regular-season League of Legends best-of-one, with the contract resolving on the match outcome unless the game is cancelled, tied, or left without a winner inside the settlement window. The current crowd-implied probability of 0% YES is far below the pre-match consensus on major esports boards, where comparable listings put Ici Japon Corp. as the market favourite and show the fixture as an online BO1 rather than a longer series.[2][6]
That gap is easier to read against the teams’ recent head-to-head and season context. The pair have met once before in 2026, with ZYB winning that Spring regular-season match 1–0, but broader ranking and form signals still lean towards Ici Japon Corp., which Strafe lists much higher in its LoL world rankings and with a materially better user-voted win share.[2][6] On BO1 markets, one map can override longer-run strength, yet a 0% crowd price usually indicates either stale trading, a suspended market, or a consensus that one side has effectively no path to settlement at current terms.
Traders should watch for any official start-time changes, broadcast confirmations, or competitive rulings from the LFL, because a delayed or unplayed fixture can push the market into the contract’s fallback outcome rather than a normal win/loss settlement.[2][14] The main live catalyst is simply whether the match begins and finishes on the scheduled day, since the market’s resolution depends on an actual winner being determined before the seven-day delay threshold. On the crypto side, USDC-settled prediction markets can also react to broader risk sentiment in BTC and ETH, especially if spot weakness or leverage unwinds thin out liquidity, but no specific on-chain flow evidence in the supplied sources points to a direct whale-driven move here.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
UK Frequently Asked Questions
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- 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 Ici Japon Corp. Esport (BO1) - LF… on BTC Prediction
Live order book, 0% fees, USDC settlement in seconds.
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