Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
56% | 44% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
56% | 44% | 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 Ultra Kill | 56% |
| Both Teams Destroy Barracks | 54% |
| Total Kills Over/Under 50.5 in Game 1? | 54% |
| Total Kills Over/Under 50.5 in Game 2? | 54% |
| Ends in Daytime | 51% |
| Ends in Daytime | 51% |
| Ends in Daytime | 51% |
| O/U 2.5 Games | 50% |
| Any Player Rampage | 50% |
| First Blood in Game 1? | 50% |
| Game 1 Winner | 46% |
| Game 2 Winner | 46% |
| Match Winner | 45% |
| Both Teams Beat Roshan | 45% |
| Both Teams Beat Roshan | 39% |
| Both Teams Beat Roshan | 37% |
| First Blood in Game 2? | 35% |
| Any Player Ultra Kill | 31% |
| Any Player Ultra Kill | 29% |
| Game Handicap: Xtreme (-1.5) vs LGD Gaming (+1.5) | 29% |
| Both Teams Destroy Barracks | 26% |
| Both Teams Destroy Barracks | 26% |
| Any Player Rampage | 23% |
| Any Player Rampage | 23% |
Market context
LGD Gaming and Xtreme Gaming meet in a best-of-three at The International group stage in Shanghai, with the match listed for 15 August at 02:00 UTC and the group stage running 13–16 August in a Swiss format.[1][5][9] A 46% yes price implies a narrow edge either way rather than a clear favourite, which is consistent with TI group-stage BO3s where seeding, draft order and current patch comfort often matter more than longer-term reputation.[3][9]
Comparable TI matchups have often moved sharply when the official schedule firms up, when a team finishes an earlier series late, or when there is a roster note or substitute confirmation; LGD’s TI 2026 roster was publicly set ahead of the event, while Xtreme entered the tournament as one of the direct invites.[7][11] The main catalysts are simple: confirmation that the series starts on time, whether either side arrives off a long break or back-to-back games, and any broadcast or stage delays inside the 13–16 August group window that could push a BO3 towards the market’s postponement rules.[5][9][13]
For crypto-linked context, the contract settles in USDC, so the relevant on-chain mechanics are the final market outcome and transfer reliability rather than the match itself. Broader BTC and ETH conditions were firm in the latest futures snapshot, with positive funding on both names and BTC open interest above $7bn and ETH above $4bn, a backdrop that can matter for prediction-market liquidity but does not directly alter the esports result.[4]
Methodology
This page reads Dota 2: LGD Gaming vs Xtreme Gaming (BO3) - The International Group Stage 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.
- 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%.
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