
Soybean oil prices hit their highest level in over four years in June 2026, driven by surging biodiesel demand tied to the RFS 2026-2027 volume requirements. Soybeans recently topped $11 per bushel for the first time in two years, and a new Gilman, Illinois processing plant was highlighted.
Oil refiners and environmental groups are challenging the EPA volume requirements in court.
Strong biofuel mandates keep soybean oil demand firm, supporting soyoil and soybean prices, while the court challenge adds policy risk that could weigh on the outlook.
After 841 past bullish policy events, SBO moved a median +0.2% over 5 sessions (52% higher; middle half -1.6% to +2.1%), and -0.5% over 20.
After 356 past bullish policy events, SOY moved a median +0.1% over 5 sessions (53% higher; middle half -1.2% to +2.3%), and -0.9% over 20.
After 206 past neutral policy events, SBM moved a median -0.4% over 5 sessions (44% higher; middle half -2.3% to +1.8%), and -0.7% 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.
Soybean oil at a four-year high on biodiesel demand from RFS volumes supported crush margins and soybean prices.