Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
85% | 15% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
85% | 15% | 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 |
|---|---|
| LYON | 85% |
| A | 50% |
| B | 50% |
| Other | 50% |
| Sentinels | 20% |
| Cloud9 | 7% |
| Team Liquid | 5% |
| Dignitas | 4% |
| Disguised | 4% |
| FlyQuest | 2% |
| Shopify Rebellion | 1% |
Market context
The market will settle to the team that wins the single shortest completed regular-season game in the 2026 LCS Summer Split, with playoff matches excluded and duration measured from game start to Nexus destruction. The current 7% implied probability suggests the crowd expects a fairly low but non-negligible chance of an outlier blowout, which is consistent with how rare ultra-short professional League of Legends games are: public records place competitive games as short as 7:30 in regional play, while major international “fast” games are typically still around 16–19 minutes[8][6][18].
For traders, the main catalysts are the Summer Split schedule, roster and format announcements, and any patch or rule changes that affect early-game tempo, because one unusually one-sided regular-season game can decide the contract. The shortest-game line is also sensitive to the official match results feed used for settlement, so map timing, game resumption, or a technical issue that changes how the final duration is logged matters more here than in winner-only markets. On the crypto side, the on-chain mechanic is straightforward: positions settle in USDC, so the price mainly reflects event risk rather than token volatility, though broader BTC/ETH moves can still shift liquidity and risk appetite across prediction markets if funding, spot volatility, or whale flows tighten capital.
Methodology
This page reads Which Team Will Win the Shortest LCS Game? on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
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.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- 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%.
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