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 |
|---|---|
| Game 1 Winner | 100% |
| O/U 2.5 Games | 100% |
| Ends in Daytime | 100% |
| Ends in Daytime | 100% |
| Match Winner | 60% |
| Ends in Daytime | 50% |
| Both Teams Beat Roshan | 50% |
| Both Teams Destroy Barracks | 50% |
| Any Player Ultra Kill | 50% |
| Any Player Rampage | 50% |
| Both Teams Beat Roshan | 1% |
| Both Teams Destroy Barracks | 1% |
| Any Player Ultra Kill | 1% |
| Both Teams Beat Roshan | 1% |
| Both Teams Destroy Barracks | 1% |
| Any Player Ultra Kill | 1% |
| Game 2 Winner | 0% |
| Game Handicap: MOUZ (-1.5) vs Power Rangers (+1.5) | 0% |
| Any Player Rampage | 0% |
| Any Player Rampage | 0% |
| Game Handicap: PR (-1.5) vs MOUZ (+1.5) | 0% |
Market context
Power Rangers and MOUZ are scheduled to meet in the EPL Masters Playoffs lower-bracket round 1, a best-of-three that sits inside a \( \$100,000 \) online Dota 2 event running on the Europe West server. GosuGamers lists MOUZ as the higher-ranked side at world rank 18 versus Power Rangers at 28, while other match pages show MOUZ as a modest favourite in conventional betting markets. [1][11][13]
A 100% crowd-implied Yes price can be read less as a view on a specific map score and more as a market expectation that the series will be settled normally rather than voided. Comparable match pages for the same fixture show broad confidence in MOUZ but still non-trivial prices on Power Rangers taking maps, which matters because a best-of-three can turn on one draft, a missed timing, or a single disconnect. [5][9][13] The on-chain angle is straightforward: if the contract settles in USDC, the important issue is not match quality but whether a clear winner is recorded before the 7-day cutoff; otherwise the market falls back to 50-50 under the stated rules. [10]
The key catalysts are operational rather than strategic. Traders should watch for official bracket updates, any schedule slippage from the tournament page, and live score feeds confirming whether the match actually begins and finishes on time; GosuGamers, Sofascore, and Bo3 all list the series for 10 August at 09:00 UTC. [1][2][5] If the bracket is delayed, cancelled, or interrupted, the settlement outcome changes materially, whereas if the series runs normally the result is decided purely by the posted Bo3 winner. [10][11]
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.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- 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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