Brent at $102.65 and WTI at $91.50 put the transatlantic spread at $11.15 as U.S. crude slipped. Brent-linked Mideast grades land dearer while U.S.-linked grades look cheap, letting buyers capture a naked gap by switching benchmarks.

On 30 Sept in Asian trade, Brent prints 96.527 and WTI 89.683, pushing the transatlantic spread back to $6.84. For operators running SNSUC's seven-product resale book — ESPO, Dubai, Oman, Urals, Basrah Light, Bonny Light, Lula — the arb and landed cost now need a parcel-by-parcel re-rate.