The US national average retail diesel price fell to $5.998 a gallon, below $6 for the first time in more than two months. The decline followed lower crude oil prices and weaker seasonal demand.
Diesel had hit a record $6.519 in September.
Lower diesel costs ease freight and farm operating expenses, which can help feed margins for livestock producers. The price drop reflects falling crude and softer demand, so it is a broad energy signal rather than a direct grain or oilseed driver.
After 80 past bearish macro events, ULSD / Diesel moved a median -1.4% over 5 sessions (39% higher; middle half -5.7% to +1.7%), and -1.5% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.