# Market Analyst: Grain markets have morphed into ?supply bull? | Iowa Agribusiness Radio Network

> A Price Futures Group analyst says US grain markets have shifted from a demand-driven to a supply-driven bull market as South American harvests begin. South American corn and soybeans are cheaper and taking US export share, while Argentina is dry and northern Brazil is too wet.

- Date: 2021-03-04 · published 2021-03-04T12:00:00.000Z
- Category: trade · region South America · magnitude low
- Page: https://feedsoft.ai/events/8635-market-analyst-grain-markets-have-morphed-into-supply-bull-iowa-agribusiness
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md), [Soybeans](https://feedsoft.ai/c/SOY.md)

## Why it matters

Cheaper South American supplies cap US export demand, but low US stocks keep the price floor firm until the new US crop arrives.

## Read by commodity

- SOY: neutral
- CORN: neutral

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2020-06-01 | [Ukraine seaport grain exports fall - Markets - Business Recorder](https://feedsoft.ai/events/52470-ukraine-seaport-grain-exports-fall-markets-business-recorder.md) | +2.0% | -0.6% |
| CORN | 2023-03-01 | [Wheat recovers from 2021 lows; Black Sea grain in focus - Markets - Business Recorder](https://feedsoft.ai/events/36896-wheat-recovers-from-2021-lows-black-sea-grain-in-focus-markets-business-recorder.md) | +2.0% | +1.4% |
| CORN | 2023-09-21 | [Asia rice: India’s export curbs stall trade; prices in other hubs decline - Markets - Business Recorder](https://feedsoft.ai/events/34185-asia-rice-india-s-export-curbs-stall-trade-prices-in-other-hubs-decline-markets.md) | -0.2% | +0.5% |
| CORN | 2019-10-26 | [Harvest weather & trade war guide grains — this week in the grain markets - RealAgriculture](https://feedsoft.ai/events/56542-harvest-weather-and-trade-war-guide-grains-this-week-in-the-grain-markets.md) | -1.3% | -1.5% |
| CORN | 2025-09-24 | [Soybeans ease to nearly 6-week low on harvest pressure, lack of China demand - Markets - Business Recorder](https://feedsoft.ai/events/22900-soybeans-ease-to-nearly-6-week-low-on-harvest-pressure-lack-of-china-demand.md) | -2.9% | -2.6% |
| SOY | 2018-06-05 | [Have we posted highs in the grain market? \| Iowa Agribusiness Radio Network](https://feedsoft.ai/events/6751-have-we-posted-highs-in-the-grain-market-iowa-agribusiness-radio-network.md) | -4.8% | -15.3% |
| SOY | 2025-10-25 | [Black Sea Grain Market Analysis](https://feedsoft.ai/events/14171-black-sea-grain-market-analysis.md) | +5.6% | +8.0% |
| SOY | 2023-03-01 | [Wheat recovers from 2021 lows; Black Sea grain in focus - Markets - Business Recorder](https://feedsoft.ai/events/36896-wheat-recovers-from-2021-lows-black-sea-grain-in-focus-markets-business-recorder.md) | +2.3% | -1.5% |

## Sources

- iowaagribusinessradionetwork.com: https://iowaagribusinessradionetwork.com/market-analyst-grain-markets-have-morphed-into-supply-bull/

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