# Corn Ends 20 Cents Lower on USDA Yield Shock: Wheat Follows but Soybeans Recover

> December corn futures ended 20.5 cents lower after USDA raised its yield estimate by 2.7 bushels per acre to 181.2 bushels, when the market had expected a cut. Wheat followed lower while soybeans recovered.

- Date: 2026-10-09 · published 2026-10-09T12:00:00.000Z
- Category: report · region US · magnitude high
- Page: https://feedsoft.ai/events/428-corn-ends-20-cents-lower-on-usda-yield-shock-wheat-follows-but-soybeans-recover
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md), [Wheat (SRW)](https://feedsoft.ai/c/WHEAT.md), [Soybeans](https://feedsoft.ai/c/SOY.md)

## Why it matters

The large upward yield surprise adds significant corn supply and pressures feed grain prices broadly.

## Read by commodity

- SOY: neutral
- CORN: bearish ▼
- WHEAT: bearish ▼

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2025-09-18 | [USDA lowers corn, soybean yield forecasts – AgriNews](https://feedsoft.ai/events/13055-usda-lowers-corn-soybean-yield-forecasts-agrinews.md) | -0.6% | -2.4% |
| CORN | 2020-08-12 | [USDA forecasts record high corn, soybean yields](https://feedsoft.ai/events/51457-usda-forecasts-record-high-corn-soybean-yields.md) | +3.8% | +8.3% |
| CORN | 2017-10-12 | [USDA raises 2017 corn guess, lowers soybeans - Brownfield Ag News](https://feedsoft.ai/events/68314-usda-raises-2017-corn-guess-lowers-soybeans-brownfield-ag-news.md) | -0.0% | -3.8% |
| CORN | 2026-10-09 | [USDA yield shocker sends corn sinking to 8-week low](https://feedsoft.ai/events/12952-usda-yield-shocker-sends-corn-sinking-to-8-week-low.md) | -0.2% | -3.3% |
| CORN | 2025-05-14 | [USDA forecasts lower wheat, corn, sorghum prices for 2025/26](https://feedsoft.ai/events/24718-usda-forecasts-lower-wheat-corn-sorghum-prices-for-2025-26.md) | +3.8% | +0.4% |
| WHEAT | 2017-10-12 | [USDA raises 2017 corn guess, lowers soybeans - Brownfield Ag News](https://feedsoft.ai/events/68314-usda-raises-2017-corn-guess-lowers-soybeans-brownfield-ag-news.md) | +0.0% | -3.9% |
| WHEAT | 2026-10-09 | [USDA yield shocker sends corn sinking to 8-week low](https://feedsoft.ai/events/12952-usda-yield-shocker-sends-corn-sinking-to-8-week-low.md) | +4.0% | +4.0% |
| WHEAT | 2019-02-08 | [USDA lowers U.S. corn, soybean ending stocks - Brownfield Ag News](https://feedsoft.ai/events/60555-usda-lowers-u-s-corn-soybean-ending-stocks-brownfield-ag-news.md) | +0.3% | -4.3% |

## Sources

- agweb.com: https://www.agweb.com/markets/corn-ends-20-cents-lower-usda-yield-shock-wheat-follows-soybeans-recover

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