Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Map 2 Winner | 100% |
| O/U 2.5 Games | 100% |
| Map 2 Total Rounds: Over/Under 21.5 | 90% |
| Map 1 Total Rounds: Over/Under 21.5 | 90% |
| Map 1 Total Rounds: Over/Under 24.5 | 90% |
| Match Winner | 74% |
| Map 3 Rounds Handicap: Imperial (-3.5) vs Galorys (+3.5) | 50% |
| Map 3 Total Rounds: Over/Under 21.5 | 50% |
| Map 1 Rounds Handicap: Imperial (-3.5) vs Galorys (+3.5) | 10% |
| Map 1 Rounds Handicap: Imperial (-6.5) vs Galorys (+6.5) | 10% |
| Map 2 Rounds Handicap: Imperial (-3.5) vs Galorys (+3.5) | 10% |
| Map 2 Total Rounds: Over/Under 24.5 | 10% |
| Map 1 Winner | 0% |
| Map Handicap: IMP (-1.5) vs Galorys (+1.5) | 0% |
| Map 3 Rounds Handicap: Imperial (-6.5) vs Galorys (+6.5) | 0% |
| Map 3 Total Rounds: Over/Under 24.5 | 0% |
Market context
Imperial’s meeting with Galorys in the BetBoom Storm Group Stage began as a best-of-three and was listed for 7 August at 23:00 UTC, with the market only settling on an outright winner if the series is completed.[5][11] The crowd has this at 0% YES for Imperial, which is hard to square with the pre-match ratings: Strafe had Imperial 11-3 up in the head-to-head and ranked them #57 versus Galorys at #90, while BO3.gg’s match page also pointed to Imperial’s stronger recent record and 71% win rate over the prior month.[12][1]
That historical edge is the main reason the market looks unusually thin. Imperial have generally controlled the series and were noted as having won the previous meeting 2-0 on 1 May 2026, with dominant head-to-head numbers across 14 meetings overall.[12] BO3.gg’s map notes also favour Imperial’s depth: Nuke has been a strength at 68% over 25 maps, while Galorys’ better comfort map is Ancient, where they have a 64% win rate and some recent momentum.[1] In comparable matches, the market has tended to follow Imperial’s higher baseline form unless vetoes or squad changes materially narrow the map pool.[12][1]
For traders, the key catalysts are not broad tournament narratives but confirmation of the series state, any delay or forfeit risk, and whether the veto favours Galorys’ Ancient comfort or Imperial’s stronger Nuke and wider recent form.[5][1] BO3.gg still lacked live tournament data at the time of publication, so late schedule changes or an unresolved start time would matter more than usual.[1][2] Galorys also entered with a fresh win over BORRACHEIROS at the same event, which at least shows they were active and playing through the bracket rather than arriving cold.[13]
Methodology
Sports-specific comparison page for Counter-Strike: Imperial vs Galorys (BO3) - BetBoom Storm Group Stage. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
UK Frequently Asked Questions
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- 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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