# Column: Corn market blindsided by unusually large U.S. supply revision

> Analysis of the September 30 USDA Grain Stocks report says September 1 corn stocks came in at 1.995 billion bushels, about 11% below pre-report estimates. The column describes this as the second-largest analyst over-guess of corn supply since at least 2005.

- Date: 2020-10-01 · published 2020-10-01T12:00:00.000Z
- Category: report · region US · magnitude medium
- Page: https://feedsoft.ai/events/50596-column-corn-market-blindsided-by-unusually-large-u-s-supply-revision
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md)

## Why it matters

The unexpectedly small corn stocks figure tightened old-crop supply and supported corn prices.

## Read by commodity

- CORN: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2020-12-01 | [Corn Market Blindsided by Large U.S. Supply Revision \| Feed & Grain](https://feedsoft.ai/events/49581-corn-market-blindsided-by-large-u-s-supply-revision-feed-and-grain.md) | -0.4% | +1.4% |
| CORN | 2021-01-13 | [Column: Jarring U.S. corn stock revisions are making USDA’s numbers unpredictable](https://feedsoft.ai/events/49090-column-jarring-u-s-corn-stock-revisions-are-making-usda-s-numbers-unpredictable.md) | +2.0% | +7.5% |
| CORN | 2025-04-10 | [CBOT corn rally more than justified by US supply cuts](https://feedsoft.ai/events/25065-cbot-corn-rally-more-than-justified-by-us-supply-cuts.md) | +3.1% | -3.3% |
| CORN | 2019-06-11 | [U.S. Corn Production, Supplies Fall, USDA Says](https://feedsoft.ai/events/58451-u-s-corn-production-supplies-fall-usda-says.md) | +6.2% | +3.2% |
| CORN | 2021-02-22 | [USDA supply outlook pushes soybeans to second session of gains - Markets - Business Recorder](https://feedsoft.ai/events/48687-usda-supply-outlook-pushes-soybeans-to-second-session-of-gains-markets-business.md) | +1.6% | -3.4% |

## Sources

- reuters.com: https://www.reuters.com/article/us-usa-corn-braun/column-corn-market-blindsided-by-unusually-large-u-s-supply-revision-idUKKBN26M5DT/

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