US EIA Heating Oil Stocks Change (Sep/04) 0.010M (Prev. -0.033M)

A marginal build after a small draw is the kind of noise the market routinely looks through, since distillate balances swing with refinery runs, export flows and seasonal heating demand rather than any single week's change. The established pattern is that the complex trades the aggregate picture: a cohesive build across crude and products weighs on front-month WTI and the product cracks, while a single offsetting line item does not. What distinguishes a market-moving week from this one is confirmation across categories and against the prior private survey, plus the direction of refinery utilisation. Follow-ons are the crack spread response in ULSD and whether subsequent weeks extend the build into a trend heading into the heating season.