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Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Repair Windows errors before they cause bigger problemsFix Now →Four forces shape soybean futures in August: U.S. weather and yield potential, USDA crop and balance-sheet estimates, export demand versus global competition, and domestic demand for soybean meal and oil. They matter through their combined effect on expected supply and use—not as standalone signals that guarantee a price move.
What affects soybean futures in August?
August is a key point in the U.S. crop calendar because soybeans are entering pod fill, when weather can influence yield expectations. At the same time, traders assess USDA estimates and demand at home and abroad. The relevant question is how each new piece of information changes the expected supply-and-use balance compared with what the market already expected.
1. Weather, crop condition, and yield potential
Rainfall, heat, and other growing conditions during pod fill can raise or lower expectations for yield. A change in expected yield affects projected production, but weather does not translate mechanically into a futures move: the size and timing of the change, and what traders already anticipated, matter. CME notes that weather remains a concern year-round because the major world crops are harvested about six months apart (CME Group’s soybean market overview).
In its August 2026 update, CME said the U.S. crop had entered critical pod fill in late July and that favorable mid-summer weather had raised supply expectations. That describes the conditions and market context reported at the time, not every August or current conditions (CME Group’s August 2026 market update).
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2. USDA production estimates and the balance sheet
USDA’s monthly World Agricultural Supply and Demand Estimates (WASDE), prepared by the World Agricultural Outlook Board, forecast annual supply and use for U.S. and world oilseeds, including soybeans. USDA listed August 12, 2026 as the scheduled date for that month’s release (USDA WASDE information). CME also identifies WASDE, crop production, grain stocks, and prospective plantings reports as inputs to watch; crop production reporting covers acreage, harvested area, and yields (CME Group’s soybean market overview).
A larger production estimate can add expected supply, while stronger demand or lower stocks can offset that change. The market reaction depends on how the figures differ from expectations, not simply whether a number is large or small. CME reported that the June 30 Acreage report had a tepid effect on soybeans in its August 2026 review because major indicators met expectations (CME Group’s August 2026 market update).
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3. Export demand and global competition
Export sales and purchases affect how much U.S. supply is expected to leave the domestic balance sheet. USDA’s Economic Research Service identifies China, Mexico, and the European Union among U.S. soybean destinations, while noting competition from South American production and exports (USDA ERS soybean and oil-crops market outlook).
CME’s August 2026 update said export demand had quickened and projected exports to rise nearly 10% year over year in the market context it described. That was CME’s dated assessment, not a current forecast (CME Group’s August 2026 market update). Export demand should be viewed alongside South American supply: strong U.S. sales may have a different balance-sheet effect when competing origins have ample soybeans available.
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Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstall4. Domestic crush, meal and oil demand, and biofuel policy
Crushing converts soybeans into meal and oil, so demand for both products influences the economics of processing beans. USDA ERS says U.S. crush capacity expanded to serve meal demand and increased soybean-oil use in biomass-based diesel, with U.S. biofuel policies supporting that use (USDA ERS soybean and oil-crops market outlook).
CME’s August 2026 review described healthy crush margins and Renewable Fuel Standard (RFS) mandates as factors encouraging processors to operate near capacity to meet renewable diesel demand (CME Group’s August 2026 market update). Crush margins, meal exports and feed demand, oil demand, and relevant policy are connected signals; a policy change does not have a fixed or immediate one-for-one effect on soybean futures.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Why do soybean futures move around the August WASDE report?
WASDE brings updated estimates of supply and use into one monthly report, so changes to production, exports, crush, or ending stocks can alter the expected balance. Futures may respond sharply when an estimate differs from market expectations, but a report can have a muted effect when its important figures were already anticipated. The June 30 Acreage report’s tepid impact in CME’s August 2026 account illustrates why the surprise relative to expectations matters as much as the headline figure (CME Group’s August 2026 market update).
Keep the figures in their proper category: USDA forecasts are estimates for a marketing year, while a futures price is a traded market price. One dated example is USDA ERS’s September 18, 2026 outlook for marketing year 2026/27:
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| Measure | USDA ERS forecast |
|---|---|
| Yield | 52.8 bushels per acre |
| Production | 4.5 billion bushels |
| Exports | 1.69 billion bushels |
| Crush | 2.78 billion bushels |
| Ending stocks | 310.0 million bushels |
| Season-average price | $12.00 per bushel |
These are USDA forecasts reported September 18, 2026, not an August futures quote or realized outcomes (USDA ERS soybean and oil-crops market outlook). The season-average price forecast is also a different measure from a futures contract price.
How to connect the four factors
Rather than treating weather, exports, crush, and stocks as separate price rules, compare how they fit together in the balance sheet:
- Crop supply: Track yield and harvested-area revisions to understand changes in expected production.
- Export use: Compare U.S. export sales and outlook with competing South American supply.
- Domestic use: Consider crush volumes and economics alongside meal and oil demand.
- Ending stocks: Look at the resulting stocks outlook, which reflects the combined supply and use estimates.
CME reported that soybean futures returned +5.05% in July 2026 in its August 2026 update, associating the gains with demand—including crush capacity, biofuel feedstock use, and exports—even as favorable weather supported supply expectations (CME Group’s August 2026 market update). That is historical context for the period described, not evidence that similar conditions or returns will recur.
August is a U.S. crop-calendar framing, not a boundary on relevant supply news: South American production and exports can affect global competition outside the U.S. growing season. No single weather report, USDA estimate, export figure, or policy development determines a futures move by itself.
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