Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win) 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
Front-month WTI crude oil is trading around the mid-$70s, so a close above the threshold in this market is the **favourite** outcome only if the line has been set materially below spot; the crowd-implied **0% YES** price suggests the market has effectively written off that possibility. Recent reporting put WTI near $75.77 later in Wednesday’s session, with other trackers showing it nearer $74.63 after a three-day slide, while a separate futures feed had the August contract around $79.77 intraday, underscoring how much depends on the exact settlement reference used[1][2][7].
Historically, crude markets can swing several dollars in a single session on geopolitics and inventory data, so the right comparison is not the day’s headline move but whether price action holds into the settlement window. On this day, traders were weighing hopes of a Strait of Hormuz arrangement against mixed EIA stock signals, a combination that had already driven a sharp sell-off followed by a modest rebound[1][7]. That leaves the contrarian angle in the underdog case: if the contract stays pinned below the strike into the close, the 0% view is justified; if late-session buying or a fresh supply headline lifts WTI, the “no chance” pricing can be too neat.
Catalysts to watch are the close in the NYMEX front-month contract, any official Middle East shipping or diplomacy headlines, and fresh U.S. inventory commentary that can reset intraday momentum quickly[1][19]. Market context from Wednesday’s coverage points to traders focusing on Hormuz-related talks and the latest EIA print rather than demand growth, which means the session’s final hours matter more than the morning tape[1][7]. In handicapper terms, consensus is firmly on the underdog side for a break above the line, but that also leaves the most obvious value spot with any late squeeze rather than with a quiet drift lower.
Methodology
We track WTI Crude Oil (WTI) closes above … on August 5? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
UK Frequently Asked Questions
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- 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 Who Will Win
Live order book, 0% fees, USDC settlement in seconds.
Open live market →