# First Thing Today | Grains mostly weaker overnight; EPA news may come today - Pro Farmer

> Grain futures were mostly weaker overnight after a multi-week rally, though December corn hit a contract and three-year high and November soybeans reached a 2.5-year high. Managed funds loaded up on corn and soybean longs, and US-Iran strikes in the Strait of Hormuz pushed crude oil sharply higher.

- Date: 2026-08-31 · published 2026-08-31T12:00:00.000Z
- Category: geopolitics · region Global · magnitude medium
- Page: https://feedsoft.ai/events/17963-first-thing-today-grains-mostly-weaker-overnight-epa-news-may-come-today-pro
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md), [Soybeans](https://feedsoft.ai/c/SOY.md), [Crude Oil (WTI)](https://feedsoft.ai/c/WTI.md)

## Why it matters

Heavy fund long positioning raises the risk of corrective pullbacks, while renewed Hormuz military activity lifts crude and energy-linked input costs for feed producers.

## Read by commodity

- SOY: neutral
- WTI: bullish ▲
- CORN: neutral

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2026-07-30 | [First Thing Today \| Wheat rallies overnight on Black Sea shipping disruptions - Pro Farmer](https://feedsoft.ai/events/18380-first-thing-today-wheat-rallies-overnight-on-black-sea-shipping-disruptions-pro.md) | -2.5% | +9.4% |
| CORN | 2025-02-14 | [Wheat, the Dog of the Grain Complex, Rallies to New Highs for the Move - AgWeb](https://feedsoft.ai/events/26092-wheat-the-dog-of-the-grain-complex-rallies-to-new-highs-for-the-move-agweb.md) | +1.4% | -6.6% |
| CORN | 2026-07-17 | [Grains Close Higher a Second Week: How High Will Prices Rally? - AgWeb](https://feedsoft.ai/events/5067-grains-close-higher-a-second-week-how-high-will-prices-rally-agweb.md) | +4.3% | +0.2% |
| CORN | 2020-05-16 | [BlackSeaNews \| Russia's economic war against Ukraine in the Sea of Azov: "loosening the grip" or the fear of catching the virus? –  The monitoring for April 2020](https://feedsoft.ai/events/52979-blackseanews-russia-s-economic-war-against-ukraine-in-the-sea-of-azov-loosening.md) | -0.1% | +3.0% |
| CORN | 2018-12-01 | [Keeping an eye on Argentina for direction — This week in the grain markets - RealAgriculture](https://feedsoft.ai/events/61634-keeping-an-eye-on-argentina-for-direction-this-week-in-the-grain-markets.md) | +6.8% | +8.4% |
| SOY | 2026-07-30 | [First Thing Today \| Wheat rallies overnight on Black Sea shipping disruptions - Pro Farmer](https://feedsoft.ai/events/18380-first-thing-today-wheat-rallies-overnight-on-black-sea-shipping-disruptions-pro.md) | -2.2% | +6.5% |
| SOY | 2022-03-14 | [Ahead of the Open \| March 14, 2022 - Pro Farmer](https://feedsoft.ai/events/5498-ahead-of-the-open-march-14-2022-pro-farmer.md) | -1.3% | -0.1% |
| SOY | 2026-03-12 | [China soybean buying: What U.S. farmers need to know now](https://feedsoft.ai/events/14594-china-soybean-buying-what-u-s-farmers-need-to-know-now.md) | -3.2% | -2.9% |

## Sources

- profarmer.com: https://www.profarmer.com/news/first-thing-today/first-thing-today-grains-mostly-weaker-overnight-epa-news-may-come-today

---
Data from Feedsoft AI (https://feedsoft.ai/). For information only; not investment advice.