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 |
|---|---|
| $75 | 100% |
| $74 | 100% |
| $73 | 100% |
| $72 | 100% |
| $82 | 0% |
| $81 | 0% |
| $80 | 0% |
| $79 | 0% |
| $78 | 0% |
| $77 | 0% |
| $76 | 0% |
Market context
WTI crude oil is trading in the mid-70s on the August contract, with recent reads around $74.4–$74.6 a barrel, after a sharp slide earlier in the week and a modest rebound attempt in early trading. That leaves the market well below the levels seen in late July, when front-month WTI was still above $84, and far under the more elevated summer prints near $90 recorded in some live trackers, so an above-threshold settlement would require a clear late-session recovery rather than a drift higher.[3][11][1]
The historical frame is straightforward: when crude has been knocked lower by a multi-day supply-led sell-off, the close tends to matter more than intraday spikes. The current crowd pricing of 0% YES fits that backdrop, because the settlement must land on the front-month ICE contract and the benchmark is already well under the commonly watched $79–$83 band in related markets.[7][6] In other words, the bar is not just elevated; it is set above the present cash and futures range by a wide margin.[3][6]
Traders should watch supply headlines, especially any fresh commentary on Middle East shipping routes and the Strait of Hormuz, as recent declines were tied to easing disruption fears and hopes of resuming transit.[6] Inventory and production signals also matter into the close: OPEC+ guidance, US stockpile data, and any late-day macro moves in the dollar or risk assets can still influence the front-month settle, but with WTI already below $75 in the latest reports, the market would need an unusually strong catalyst to finish above a materially higher strike.[3][6]
Methodology
Sports-specific comparison page for WTI Crude Oil (WTI) closes above … on August 5?. 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%.
Trade WTI Crude Oil (WTI) closes above … on August 5? on Sport Prediction
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