# USDA Cuts Corn Yield to 178.5 Bu., Nudges Soybeans Slightly Higher in September Report

> USDA's September WASDE cut the corn yield to 178.5 bu/acre, down 2.2 bu from August, lowering production to 15.8 billion bushels. Soybean yield rose 0.1 bu to 52.8 bu/acre, and corn stocks-to-use fell below 10%.

- Date: 2026-10-01 · published 2026-10-01T12:00:00.000Z
- Category: report · region US · magnitude medium
- Page: https://feedsoft.ai/events/17496-usda-cuts-corn-yield-to-178-5-bu-nudges-soybeans-slightly-higher-in-september
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md), [Soybeans](https://feedsoft.ai/c/SOY.md)

## Why it matters

The corn yield cut was expected, but falling stocks-to-use is bullish for corn prices and supports feed costs. The slight soybean increase is a modest bearish offset.

## Read by commodity

- SOY: bearish ▼
- CORN: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2022-10-12 | [USDA Lowers Corn, Soybean Yields Slightly](https://feedsoft.ai/events/39176-usda-lowers-corn-soybean-yields-slightly.md) | +1.9% | -1.0% |
| CORN | 2021-01-12 | [USDA numbers send corn, soybeans, wheat higher - Brownfield Ag News](https://feedsoft.ai/events/49092-usda-numbers-send-corn-soybeans-wheat-higher-brownfield-ag-news.md) | +5.8% | +11.6% |
| CORN | 2022-03-31 | [USDA Report Bullish for Corn, Bearish for Soybeans](https://feedsoft.ai/events/42296-usda-report-bullish-for-corn-bearish-for-soybeans.md) | +4.1% | +5.9% |
| CORN | 2025-09-12 | [Corn and Soybeans Rally on USDA Yield Cuts, China Hopes: Are Further Cuts Coming? - AgWeb](https://feedsoft.ai/events/6854-corn-and-soybeans-rally-on-usda-yield-cuts-china-hopes-are-further-cuts-coming.md) | +5.1% | +3.6% |
| CORN | 2025-01-10 | [USDA Reports a Game Changer, as Corn and Soybean Yields are Slashed](https://feedsoft.ai/events/13117-usda-reports-a-game-changer-as-corn-and-soybean-yields-are-slashed.md) | +3.2% | +5.6% |
| SOY | 2018-09-12 | [USDA Pushes Corn, Soybean Yield Estimates Higher](https://feedsoft.ai/events/62988-usda-pushes-corn-soybean-yield-estimates-higher.md) | -0.8% | +5.2% |
| SOY | 2020-08-12 | [USDA forecasts record high corn, soybean yields](https://feedsoft.ai/events/51457-usda-forecasts-record-high-corn-soybean-yields.md) | +3.9% | +11.6% |
| SOY | 2022-11-09 | [November USDA Report Increases Corn and Soybean Production](https://feedsoft.ai/events/38642-november-usda-report-increases-corn-and-soybean-production.md) | +0.9% | +1.9% |

## Sources

- agweb.com: https://www.agweb.com/markets/usda-reports/usda-cuts-corn-yield-178-5-bu-nudges-soybeans-slightly-higher-september-repo

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