# Corn Weekly Report

> Argentina temporarily suspended its export taxes on grains, a measure that lasted less than 72 hours after reaching a US$7 billion inflow target. Chicago corn futures closed sharply lower the prior week at about $4.22 per bushel.

- Date: 2025-09-29 · published 2025-09-29T12:00:00.000Z
- Category: policy · region Argentina · magnitude high
- Page: https://feedsoft.ai/events/9844-corn-weekly-report
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md), [Soybeans](https://feedsoft.ai/c/SOY.md), [Soybean Meal](https://feedsoft.ai/c/SBM.md)

## Why it matters

The temporary end of retenciones makes Argentine grain more competitive in export markets, pressuring CBOT corn and soybean prices and reducing demand for US product.

## Read by commodity

- SBM: bearish ▼
- SOY: bearish ▼
- CORN: bearish ▼

## Linked price moves

| Commodity | Date | Window | Change % | z-score | Why linked |
| --- | --- | --- | --- | --- | --- |
| CORN | 2025-09-29 | 1 | -2.6% | -3.5 | Argentina's brief suspension of grain export taxes (dated 2025-09-29) points to added competing export supply and bearish sentiment, which plausibly contributed to the drop on 9/29, though the tax lasted under 72 hours. |

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2021-01-11 | [What Does Mexico’s GM Corn Ban Mean for U.S. Producers? – The Van Trump Report](https://feedsoft.ai/events/49128-what-does-mexico-s-gm-corn-ban-mean-for-u-s-producers-the-van-trump-report.md) | +6.3% | +12.8% |
| CORN | 2017-09-28 | [U.S. grains: Soy at two-week low on harvest, pre-report adjustments - Country Guide](https://feedsoft.ai/events/68991-u-s-grains-soy-at-two-week-low-on-harvest-pre-report-adjustments-country-guide.md) | +2.6% | +2.3% |
| CORN | 2022-03-29 | [Movement to ban GMO corn imports gains support in Mexico  \|  The Organic & Non-GMO Report](https://feedsoft.ai/events/42274-movement-to-ban-gmo-corn-imports-gains-support-in-mexico-the-organic-and-non.md) | +2.7% | +4.0% |
| CORN | 2025-03-17 | [Will A Drop In Sorghum Exports Hurt Corn Values? - AgWeb](https://feedsoft.ai/events/25638-will-a-drop-in-sorghum-exports-hurt-corn-values-agweb.md) | +7.3% | +7.8% |
| CORN | 2025-04-24 | [Grain Transportation Report, April 24, 2025](https://feedsoft.ai/events/16454-grain-transportation-report-april-24-2025.md) | -1.0% | -1.1% |
| SOY | 2025-05-15 | [Soybean, Soyoil futures slide; Wheat, Corn Rally \| The Brock Report](https://feedsoft.ai/events/24781-soybean-soyoil-futures-slide-wheat-corn-rally-the-brock-report.md) | -0.4% | -2.3% |
| SOY | 2017-09-28 | [U.S. grains: Soy at two-week low on harvest, pre-report adjustments - Country Guide](https://feedsoft.ai/events/68991-u-s-grains-soy-at-two-week-low-on-harvest-pre-report-adjustments-country-guide.md) | -0.8% | +1.0% |
| SOY | 2018-07-27 | [Commodity Credit Corporation: Q&A - EveryCRSReport.com](https://feedsoft.ai/events/64014-commodity-credit-corporation-q-and-a-everycrsreport-com.md) | +2.5% | -2.2% |

## Sources

- stonex.com: https://www.stonex.com/en-gb/insights/corn-weekly-report-2025-09-29/

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