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 |
|---|---|
| Both Teams Slay a Dragon | 100% |
| Odd/Even Total Kills | 100% |
| Any Player Quadra Kill | 10% |
| Any Player Penta Kill | 10% |
| Match Winner | 0% |
| Both Teams Slay Baron Nashor | 0% |
| Both Teams Destroy Inhibitors | 0% |
Market context
TLN Pirates face Galions in a best-of-one LFL regular-season match, with the market settling on the actual winner unless the game is cancelled, abandoned, or pushed beyond the seven-day resolution window, in which case it falls back to 50-50 under the contract rules. The current crowd price of 0% YES is hard to reconcile with live market context: pre-match listings showed Galions as the favourite at around 1.31 decimal odds, while TLN Pirates sat near 3.375, implying a meaningful but not overwhelming edge for Galions.[2]
The pair have already met multiple times this year, and the recent head-to-head leans Galions: one match record shows TLN Pirates beating Galions 1-0 in April, but another database says Galions won the later May series 3-1 overall, leaving the matchup split rather than one-sided.[1][7] Both teams have posted similar recent form, with each credited at 3-2 across their last five in one tracker, so the market should be read more as a single-map coin flip shaped by drafting and early tempo than by a large structural gap.[2][6]
For traders, the main catalysts are whether the fixture starts on schedule and whether tournament organisers publish any last-minute slot changes, because a no-show, postponement, or incomplete game would move the contract away from a normal win/loss outcome and towards the 50-50 clause. If the map goes ahead, live odds and score updates from esports trackers can matter more than broader crypto tape, though BTC and ETH volatility can still affect risk appetite and liquidity in USDC-settled prediction markets during sharp intraday moves.
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.
- 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%.
Trade LoL: TLN Pirates vs Galions (BO1) - LFL Regular Season on BTC Prediction
Live order book, 0% fees, USDC settlement in seconds.
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