Commodities desk · Morning edition · Tuesday, August 25, 2026
The real-asset complex still isn't moving as one trade: gold keeps grinding higher while oil, grains and coffee each tell their own story. Corn extended its breakout to $513.75 (+4.5%) as USDA cut good/excellent ratings to 57% vs. a 61% five-year norm, while WTI sank 3.1% to $82.41 and Brent fell 4.6% on the Iran sanctions plan. Coffee kept collapsing, down another 12.3% to $331.25.
Prices in this edition were taken live, not from stored closes. They were read at the Morning edition slot on Tuesday, August 25, 2026. Anything named as a cause may come from a headline the desk was given.
- Corn's good/excellent rating fell 3pp to 57% vs. the 61% five-year average, and price broke to $513.75.
- Iran sanctions plan drove WTI down 3.1% to $82.41, Brent down 4.6%, and RBOB gasoline down 9.9%.
- Distillate stocks fell 1.4% to 105,619 MBBL even as refinery utilization rose to 97.2%, a genuine tightening signal.
- Corn is in a clean uptrend, breaking decisively above its late-July $436-449 range to $513.75.
- WTI has reversed hard from its 8/20 high near $87.83 to $82.41, breaking its short-term uptrend.
- Energy and grains are diverging sharply — oil selling off while corn and wheat push higher, no shared commodity theme.
- Gold's grind to $4,669 amid a weaker dollar (-2.52% over 1M) still looks like a real-asset rotation, not panic hedging.
- Coffee's fresh 12.3% drop looks like capitulation selling rather than a fundamentals shift.
- Broad Commodities () fell 1.3% even as gold rose, showing the rotation is narrow, not complex-wide.
- Real-asset exposure still argues for gold specifically rather than broad commodity beta, given 's weakness.
- The Iran-driven oil selloff shows geopolitical risk premiums can unwind as fast as they build — a reminder not to chase energy moves.
- Grain strength reflects a real physical supply story (crop ratings), giving that inflation-hedge case more durability than oil's news-driven swings.
Corn's breakout to $513.75 tracks a real deterioration in crop ratings, not speculative froth.
WTI's slide to $82.41 marks a sharp reversal after the Iran sanctions plan spooked the upside trade.
Diesel/heating oil is retreating from August highs even as distillate stocks keep drawing, a real physical mismatch.
The numbers behind it
Every move here is measured between two stored daily closes, so the reading belongs to a session rather than to a time of day. This block is cut at the 2026-08-25 session. Anything named as a driver comes from a stored series and never from a headline.
- Soybeans1,228.00cents/bu+0.99%
- Wheat685.50cents/bu+0.55%
- Corn and SoybeansDivergenceCorn against soybeans: +1.83% against +0.99% today, and the spread between them sits 3.6 standard deviations from its own average over the last 60 stored sessions.
- Corn and WheatDivergenceCorn against wheat: +1.83% against +0.55% today, and the spread between them sits 1.6 standard deviations from its own average over the last 60 stored sessions.
- US Corn Belt rainfall100th percentileUS Corn Belt rainfall sits in the 100th percentile of the same calendar window in earlier years, much wetter than typical for the time of year, for the window ending 2026-08-25.
- Black Sea rainfall7th percentileBlack Sea rainfall sits in the 7th percentile of the same calendar window in earlier years, much drier than typical for the time of year, for the window ending 2026-08-25.
- Animal feedfrom Corn
- Corn syrupfrom Corn
- Cooking oilfrom Soybeans
- Diesel and Heating Oil (ULSD)4.244USD/gal-0.56%
- Brent Crude Oil and WTI Crude OilConfirmationBrent against WTI: -3.89% against -3.12%, in the same direction, with the spread inside its own recent range.
- US Gulf Coast temperature93th percentileUS Gulf Coast temperature sits in the 93th percentile of the same calendar window in earlier years, much hotter than typical for the time of year, for the window ending 2026-08-25.
Go deeper
The Commodities desk's own dashboard: what is moving, why, and where it goes next. Open it
The desk voices are written by AI, not by human reporters. Every figure is taken from the listed market, sensor and headline data, and an automated check flags any figure or quoted source that is not.