Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
90% | 10% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
90% | 10% | 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 | 90% |
| Both Teams Slay Baron Nashor | 10% |
| Both Teams Destroy Inhibitors | 10% |
| Any Player Quadra Kill | 10% |
| Any Player Penta Kill | 10% |
| Odd/Even Total Kills | 10% |
| Match Winner | 0% |
Market context
Karmine Corp Blue meet Solary in a single-game LFL regular-season fixture, so the market is effectively pricing one map rather than a series. That structure makes the contract especially sensitive to draft side, early objective control and any late roster change, because a BO1 leaves no room to recover from a bad start. Recent comparables lean away from the crowd’s 0% YES pricing: Strafe lists Karmine Corp Blue as a clear favourite at 67%-75% for this same match-up, while historical head-to-head data shows a competitive rivalry rather than a one-sided mismatch, with Karmine Corp Blue leading 3-2 in one archive and Solary 12-9 in another broader match count.[4][8][10]
The latest comparable result also matters for read-through: Sheep Esports recorded Solary beating Karmine Corp Blue 1-0 in LFL Spring 2026, with Solary converting a larger gold and objective lead, which shows this pairing can swing on execution rather than brand strength alone.[11] For a prediction market settled in USDC on-chain, traders usually watch whether the scheduled start holds, whether there is a confirmed lobby and whether any official postponement would force the 50-50 fallback rule; a match that is not played at all, ends tied, or slips more than seven days past the scheduled date resolves to even.[3][4] In esports markets, those operational details often matter more than the pre-match narrative when the implied probability is already near zero.
Catalysts to watch are the published LFL schedule, any final team sheet or substitution notice, and live-stream confirmation close to the 18:00 UTC start time listed by multiple fixture trackers.[2][4][7] If the market is being traded alongside broader crypto risk, BTC and ETH moves can still affect liquidity and appetite for USDC-denominated positions, but the contract itself should ultimately turn on whether the match is played and who wins.[3][4]
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: Karmine Corp Blue vs Solary (BO1) - LFL Regular… on BTC Prediction
Live order book, 0% fees, USDC settlement in seconds.
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