# Corn plunges 20 cents as high USDA stocks stun market

> Farm Progress reported that USDA's Sept. 1 corn stocks came in near 2.1 billion bushels, up 35% year over year and a seven-year high, sending futures to six-week lows. Soybean and wheat stocks were down from a year earlier, and USDA trimmed the 2025 corn crop slightly.

- Date: 2026-10-01 · published 2026-10-01T12:00:00.000Z
- Category: report · region US · magnitude high
- Page: https://feedsoft.ai/events/17408-corn-plunges-20-cents-as-high-usda-stocks-stun-market
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md), [Soybeans](https://feedsoft.ai/c/SOY.md)

## Why it matters

Record-scale old-crop corn supplies weigh on feed grain prices, lowering feed costs for buyers while soybean stock declines offer limited support.

## Read by commodity

- SOY: neutral
- CORN: bearish ▼

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2019-03-29 | [U.S. March Soybean Stocks Hit Record High, USDA Data Drops Markets](https://feedsoft.ai/events/60042-u-s-march-soybean-stocks-hit-record-high-usda-data-drops-markets.md) | -2.3% | -4.0% |
| CORN | 2016-11-09 | [Corn, soybean markets drop after USDA hikes production](https://feedsoft.ai/events/73821-corn-soybean-markets-drop-after-usda-hikes-production.md) | -6.6% | -4.5% |
| CORN | 2019-04-09 | [USDA Expects Larger Corn Stocks](https://feedsoft.ai/events/11376-usda-expects-larger-corn-stocks.md) | +1.8% | -0.5% |
| CORN | 2025-09-30 | [Canada Know-Risk Market Outlook \| Corn Stocks Higher Than Expected](https://feedsoft.ai/events/22797-canada-know-risk-market-outlook-corn-stocks-higher-than-expected.md) | +0.8% | +1.0% |
| CORN | 2021-02-10 | [Column: USDA’s monthly update rejects market narrative on Chinese corn stocks](https://feedsoft.ai/events/48588-column-usda-s-monthly-update-rejects-market-narrative-on-chinese-corn-stocks.md) | -3.0% | +2.1% |
| SOY | 2024-12-10 | [USDA Cuts US Corn Ending Stocks by 200M Bushels](https://feedsoft.ai/events/26899-usda-cuts-us-corn-ending-stocks-by-200m-bushels.md) | -0.8% | -0.3% |
| SOY | 2024-07-12 | [USDA Hikes Corn Production, but Lowers 2024-25 Corn Ending Stocks](https://feedsoft.ai/events/29201-usda-hikes-corn-production-but-lowers-2024-25-corn-ending-stocks.md) | -3.9% | -11.6% |
| SOY | 2025-09-30 | [Canada Know-Risk Market Outlook \| Corn Stocks Higher Than Expected](https://feedsoft.ai/events/22797-canada-know-risk-market-outlook-corn-stocks-higher-than-expected.md) | +0.7% | +5.6% |

## Sources

- farmprogress.com: https://www.farmprogress.com/marketing/corn-plunges-20-cents-as-high-usda-stocks-stun-market

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