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PNW Sub Oct Premium Dips as Supply Concerns Ease
6/03 2:56 PM
PNW Sub Oct Premium Dips as Supply Concerns Ease Kristina Davis DTN Refined Fuels Market Reporter MIAMI, FL (DTN) -- Pacific Northwest Sub Octane Premium basis weakened Wednesday (6/3) at the beginning of June as lower offers emerged in the market, following last week's sharp rally driven by regional supply concerns. PNW Sub Octane Premium basis fell by 11cts to a 49.5cts premium to July NYMEX ULSD futures from Tuesday's 60.5cts premium, according to DTN data. Traders reported hearing offers at a 50cts premium to July NYMEX ULSD futures. That pressured values after last week's surge in the basis amid refinery disruptions, flaring activity and tightening distillate supplies across the U.S. West Coast. PNW Sub Octane Regular basis also weakened, falling by 2cts to a 28.5cts premium to July NYMEX ULSD futures from Tuesday's 30.5cts premium. Offers for PNW regular were reported at a 29cts premium to July NYMEX ULSD futures, pulling the market slightly lower as traders reassessed supply conditions at the start of June. (c) Copyright 2026 DTN, LLC. All rights reserved.