Benchmark diesel down, futures market starts to tick upward

Benchmark diesel prices posted their second consecutive weekly decline as of May 19, 2026, with the Department of Energy/Energy Information Administration reporting a 4.3 cents/gallon drop to $5.596/gallon. This decline provides limited but meaningful relief for freight logistics operators, as diesel costs directly flow through to drayage and final-mile transportation surcharges. However, the path to current pricing has been volatile and inconsistent, with the five-week price trajectory including a 20.5 cent decline, followed by a 5.2 cent decline, then a sharp 28.9 cent increase before last week's marginal drop.

The futures market is signaling a potential inflection point toward higher prices. Ultra low sulfur diesel (ULSD) on the CME commodity exchange settled Monday at $4.1145/gallon—the highest settlement since end of April—and was trading at $4.1265/gallon on Tuesday at 12:30 p.m., up 0.29% on the day. While the prior two weeks saw dramatic swings of 19+ cents/gallon in both directions (a gain on May 12 immediately followed by a decline on May 13), Tuesday's intra-day range of approximately 10 cents/gallon represents relatively contained volatility given broader market disruption since the Iran conflict began.

A critical factor supporting potential upside pressure is the sharp contraction in U.S. distillate inventories. The EIA reported that inventory levels for the weeks ending May 1 and May 8 both fell below 103 million barrels—marking the first occurrence of consecutive weeks at this level since 2005. Distillate inventory comprises approximately 90% ULSD, with the remainder consisting of heating oil and other products. This inventory tightness, combined with the recent Monday settlement at a five-week high, suggests market participants are positioning for sustained price support despite retail benchmark pricing currently sitting only 1.2 cents/gallon above April 13 levels.