A swing from a negative to a positive weekly print typically reflects tanker arrival timing, Gulf Coast fog or port congestion, and refinery scheduling rather than any shift in underlying supply, and the four-week average has been the more reliable read of trend. The distinction worth drawing is between an import jump that feeds a crude build, which pressures prompt spreads, and one absorbed by higher refinery runs, which instead shows up in product stocks. The follow-ons within the same release are the refinery utilisation figure and the Cushing balance, since those determine whether the barrels are being processed or stored. As a single sub-component, the signal is weak unless corroborated by the broader report.
