# Corn Market Blindsided by Large U.S. Supply Revision | Feed & Grain

> USDA's Grain Stocks report showed September 1 US corn stocks at 1.995 billion bushels, about 11% below pre-report estimates, after a large downward revision to prior stocks. Soybean and wheat stocks also came in below expectations.

- Date: 2020-12-01 · published 2020-12-01T12:00:00.000Z
- Category: report · region US · magnitude high
- Page: https://feedsoft.ai/events/49581-corn-market-blindsided-by-large-u-s-supply-revision-feed-and-grain
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md), [Soybeans](https://feedsoft.ai/c/SOY.md), [Wheat (SRW)](https://feedsoft.ai/c/WHEAT.md), [Soybean Meal](https://feedsoft.ai/c/SBM.md)

## Why it matters

The corn stocks shock tightens the 2020/21 US balance sheet and supports prices into next year. Soybean stocks were also sharply lower, adding to feed-grain tightness.

## Read by commodity

- SBM: bullish ▲
- SOY: bullish ▲
- CORN: bullish ▲
- WHEAT: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2020-10-01 | [Column: Corn market blindsided by unusually large U.S. supply revision](https://feedsoft.ai/events/50596-column-corn-market-blindsided-by-unusually-large-u-s-supply-revision.md) | -0.3% | +6.4% |
| CORN | 2020-12-03 | [Ag Markets Surprised by Stocks Report \| Feed & Grain](https://feedsoft.ai/events/49582-ag-markets-surprised-by-stocks-report-feed-and-grain.md) | +0.0% | +3.9% |
| CORN | 2026-05-21 | [Corn Supply Falls While Feed Grain Prices Rise - RFD-TV](https://feedsoft.ai/events/19340-corn-supply-falls-while-feed-grain-prices-rise-rfd-tv.md) | -0.8% | -7.6% |
| CORN | 2024-11-14 | [Economic downturn in US coarse grains market \| Feed & Grain](https://feedsoft.ai/events/27467-economic-downturn-in-us-coarse-grains-market-feed-and-grain.md) | +0.2% | +0.4% |
| CORN | 2024-04-16 | [USDA revises corn and sorghum forecasts for 2023/24 \| Feed & Grain](https://feedsoft.ai/events/30811-usda-revises-corn-and-sorghum-forecasts-for-2023-24-feed-and-grain.md) | -0.3% | +3.3% |
| SOY | 2020-12-03 | [Ag Markets Surprised by Stocks Report \| Feed & Grain](https://feedsoft.ai/events/49582-ag-markets-surprised-by-stocks-report-feed-and-grain.md) | +0.5% | +14.1% |
| SOY | 2019-06-28 | [USDA Reports Surprise Sends Corn Market Reeling](https://feedsoft.ai/events/58539-usda-reports-surprise-sends-corn-market-reeling.md) | -1.7% | -0.5% |
| SOY | 2020-10-13 | [Grain market update \| Saxo](https://feedsoft.ai/events/11789-grain-market-update-saxo.md) | +2.0% | +6.9% |

## Sources

- feedandgrain.com: https://www.feedandgrain.com/business-markets/commodities/news/15388967/corn-market-blindsided-by-large-us-supply-revision

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