WTI Crude Oil (WTI) closes above … on August 5?

Platform comparison

Market context

West Texas Intermediate crude is trading in the low-to-mid $70s after a sharp pullback, so the key question for this market is whether the front-month settlement can finish above the contract’s strike level by the close on 5 August. Recent live quotes and market pages show WTI around $74-$76, while broader energy coverage also points to a three-day slide as Middle East shipping fears eased and supply disruption concerns faded.[6][11][12]

That puts the current 0% yes probability in line with the latest tape: to settle above a higher threshold, price would need a late-session rebound from levels that are already beneath many commonly watched round numbers. Comparable WTI markets on prediction platforms have tended to track the front-month ICE settlement closely, which means the final print matters more than intraday spikes; the relevant contract is the nearest listed month, rolled forward before expiry.[5] On-chain markets also clear in USDC, so any wider BTC or ETH volatility mainly matters through risk appetite and cross-asset flows rather than through the oil settlement itself.

Traders should watch ICE/CME front-month movement into the settlement window, plus any headlines on OPEC+ supply discipline, Strait of Hormuz shipping, and US inventory data, because those have been moving the market this week.[6][10] If crude stabilises, futures funding and whale positioning in crypto may still influence how quickly prediction-market prices reprice, but the direct driver remains the cash-equivalent WTI settlement, not spot crypto levels.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.

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.

What does a transaction cost on Polygon?

Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.

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%.