# Why these USDA reports could lead to big grain price swings

> A Farm Progress analysis previews the March 31 USDA Prospective Plantings and Grain Stocks reports and reviews how corn and soybean futures moved on those release days in past years. It notes that the size of price changes has grown in recent years and that the direction can differ between crops in the same year.

- Date: 2021-03-22 · published 2021-03-22T12:00:00.000Z
- Category: report · region US · magnitude low
- Page: https://feedsoft.ai/events/48143-why-these-usda-reports-could-lead-to-big-grain-price-swings
- Commodities: [Soybeans](https://feedsoft.ai/c/SOY.md), [Corn](https://feedsoft.ai/c/CORN.md)

## Why it matters

The release is a scheduled catalyst for corn and soybean price volatility, so buyers should expect larger swings around the report, though the article itself does not signal a directional move.

## Read by commodity

- SOY: neutral
- CORN: neutral

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| SOY | 2019-12-04 | [USDA report: Grain, hay prices up during fall - Mid-West Farm Report](https://feedsoft.ai/events/55650-usda-report-grain-hay-prices-up-during-fall-mid-west-farm-report.md) | +3.5% | +8.4% |
| SOY | 2017-09-25 | [Friday’s Grain Stocks report could shake prices \| Feedstuffs](https://feedsoft.ai/events/68983-friday-s-grain-stocks-report-could-shake-prices-feedstuffs.md) | -1.6% | -0.6% |
| SOY | 2025-10-01 | [USDA Grain Stocks Report Surprises Corn and Wheat - RFD](https://feedsoft.ai/events/9845-usda-grain-stocks-report-surprises-corn-and-wheat-rfd.md) | +2.0% | +7.6% |
| SOY | 2026-08-01 | [Move on 2026 and 2027 grain prices before Aug. 12 USDA report](https://feedsoft.ai/events/18392-move-on-2026-and-2027-grain-prices-before-aug-12-usda-report.md) | -1.3% | +8.9% |
| SOY | 2017-05-22 | [Grain exports set to hit record high: USDA - Splash247](https://feedsoft.ai/events/71200-grain-exports-set-to-hit-record-high-usda-splash247.md) | -2.8% | -1.6% |
| CORN | 2019-12-04 | [USDA report: Grain, hay prices up during fall - Mid-West Farm Report](https://feedsoft.ai/events/55650-usda-report-grain-hay-prices-up-during-fall-mid-west-farm-report.md) | -3.9% | +1.5% |
| CORN | 2017-09-25 | [Friday’s Grain Stocks report could shake prices \| Feedstuffs](https://feedsoft.ai/events/68983-friday-s-grain-stocks-report-could-shake-prices-feedstuffs.md) | +0.1% | +1.1% |
| CORN | 2026-08-01 | [Move on 2026 and 2027 grain prices before Aug. 12 USDA report](https://feedsoft.ai/events/18392-move-on-2026-and-2027-grain-prices-before-aug-12-usda-report.md) | -0.6% | +10.8% |

## Sources

- farmprogress.com: https://www.farmprogress.com/marketing/why-these-usda-reports-could-lead-to-big-grain-price-swings

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