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 |
|---|---|
| ↑ $85 | 100% |
| ↓ $80 | 24% |
| ↑ $90 | 23% |
| ↑ $95 | 6% |
| ↓ $75 | 2% |
| ↑ $115 | 1% |
| ↑ $110 | 1% |
| ↑ $105 | 1% |
| ↑ $100 | 1% |
| ↓ $70 | 1% |
| ↓ $65 | 1% |
| ↓ $60 | 1% |
| ↓ $55 | 1% |
| ↓ $50 | 0% |
Market context
WTI crude oil prices will be monitored throughout the week beginning 17 August 2026 to determine whether the contract settles at a specified level by the close of trading on 21 August. The current 1% probability suggests the crowd views this outcome as unlikely, reflecting either a narrow price band or a target significantly removed from prevailing market expectations at the time of assessment.
Historical volatility in crude oil during summer months provides context for evaluating this low probability. August typically experiences lower trading volumes as market participants take holiday, which can amplify price swings from supply disruptions or geopolitical developments. The 2020 oil price collapse and subsequent 2022 spike following Russian sanctions demonstrate how quickly WTI can move beyond conventional ranges when external shocks materialise. However, extended periods of stable pricing—such as the 2017–2018 consolidation around $45–$65 per barrel—show that weeks can pass without dramatic moves, particularly when global demand and OPEC+ production remain balanced.
Traders should monitor OPEC+ production decisions and any announcements regarding strategic petroleum reserve releases, which directly influence crude valuations. Tropical storm activity in the Gulf of Mexico during late August could disrupt offshore production and trigger sharp upward moves. Additionally, macroeconomic data releases affecting dollar strength and equity markets will influence investor positioning in energy commodities. Recent geopolitical tensions and refinery maintenance schedules in key producing regions warrant close attention, as unplanned outages can shift supply dynamics rapidly within a single trading week.
Methodology
Sports-specific comparison page for What will WTI Crude Oil (WTI) hit Week of August 17 2026?. 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 What will WTI Crude Oil (WTI) hit Week of August 17 … on Sport Prediction
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