Quarterly Commodities Outlook is available for free now.  Download your report  →

StoneX logo

Corn Weekly Report

By: StoneX Intelligence Brazil, StoneX Intelligence Brazil

Corn has a week marked by high volatility but closes near unchanged
 
João Pedro Lopes
Market Intelligence Analyst
USDA's WASDE report, exports, and the pace of US harvest were key market drivers 
Bearish Factors
  • Slow pace of shipments in the US;
  • Concern about river levels in the US and impacts on grain flow;
  • There are signs from Russia that it does not rule out the resumption of the Grain Agreement despite continuing tensions.
Bullish Factors
  • Tensions between Russia and Ukraine;
  • Recent increase in the sales pace by the US;
  • Concerns about the weather impacts on the Chinese corn crop.

Last week was marked by high volatility in the corn market. After a downward movement at the beginning of the week, motivated by the good harvest pace and the low volume shipped, corn prices showed a strong upward movement due to the USDA's supply and demand report. However, the uptrend lost momentum at the end of the week, ending the period close to stability. December/23 ended the period quoted at 492 cents/bu, an increase of 3.2% compared to the previous week.

 

Intraday (15 min) December/23 contract (CBOT)
image 82074
image 82075
Source: CME. Design: StoneX.

 

 

 

US crop conditions: In line with market expectations, the USDA indicated that the US continued to have 53% of its crops in good/excellent condition, the same number a week ago. The harvest is progressing smoothly, reaching 34% on October 8, up 11 percentage points week-on-week and 3 points above the 5-year average. The good pace of fieldwork was a bearish factor for prices at the beginning of the week. Click here to access the full report.

Mississippi River Level: River conditions continue to be monitored by the traders. According to NOAA data, levels in Memphis were at -3.6 meters on Monday morning (16), below what was recorded a week earlier (-3.1 meters). NOAA expects a slight recovery in the readings, estimated at around -3 meters, which is still considered low. As a result, the market should remain attentive to the navigation conditions on the Mississippi River.

Ethanol production in the US: According to data released by the Energy Information Administration (EIA), US ethanol production totaled 1,004 thousand barrels per day (tbpd) in the week ended Oct. 6, up five tbpd from a week earlier. Despite the drop, the recorded number exceeded the one observed in the same week of last year by 120 tbpd and the 5-year average by 64.8 tbpd. On the inventory side, there was a reduction to 21.53 million barrels, 358,000 less than a week earlier but 200,000 more than in the same period last year.
 

Weekly export sales - US (thousand tonnes)

image 82076
Source: USDA. Design: StoneX.

US export inspections: According to the USDA's Export Inspection Report, the US continues to see low export volume. The country shipped 550,600 tonnes of corn in the week ended Oct. 5, 120,000 tonnes less than a week earlier. Despite being above that recorded in the same week of 2022 (457.4 thousand tonnes), the volume remains below the 5-year average, an issue that also pressured prices at the beginning of last week. In the 2023/24 crop, exports totaled 3.2 million tonnes, 400 thousand tonnes more than in the same period last season.

US export sales: Despite the slow pace of shipments, the export sales data brought some optimism to the market. Net sales for the 2023/24 season totaled 910,000 tonnes in the week ended Oct. 5, about 900,000 tonnes less than a week earlier but more than 700,000 tonnes higher than in the same week last season. The country traded 15.3 million tons in 2023/24 against 13.4 million in the same period last season.

Corn planting in South America: According to StoneX's report, the planting of the 2023/24 summer corn crop reached 30.8% by the end of last week, five percentage points less than a year ago. Click here to access the full report. In Argentina, due to a considerably drier situation than normal, the planting of the cereal reached 19.4%, a pace below the 5-year average.

USDA S&D Report: On October 12, the USDA released its long-awaited supply and demand report. The highlight of the North American balance was the reduction in ending stocks in 2022/23 to 34.6 million tonnes, driven by higher domestic consumption and production in 2023/24 to 382.6 million tonnes. As a result, ending stocks in 2023/24 also fell to 53.6 million tonnes. Amid these changes and a slightly tighter balance sheet in the US, prices advanced considerably on Thursday. Still, they lost momentum at the end of the week, as the corn cereal in the US and worldwide remains relatively comfortable. Click here to access the full report.
 

 

Spot prices (USD/60kg-bag)
image 82077
Source: StoneX. Design: StoneX.
 

INDICATORS
  • Grains & Oilseeds

The StoneX Group Inc. group of companies provides financial services worldwide through its subsidiaries, including physical commodities, securities, exchange-traded and over-the-counter derivatives, risk management, global payments and foreign exchange products in accordance with applicable law in the jurisdictions where services are provided. References to over-the-counter (“OTC”) products or swaps are made on behalf of StoneX Markets LLC (“SXM”), a member of the National Futures Association (“NFA”) and provisionally registered with the U.S. Commodity Futures Trading Commission (“CFTC”) as a swap dealer. SXM’s products are designed only for individuals or firms who qualify under CFTC rules as an ‘Eligible Contract Participant’ (“ECP”) and who have been accepted as customers of SXM. StoneX Financial Inc. (“SFI”) is a member of FINRA/NFA/SIPC and registered with the MSRB. SFI is registered with the U.S. Securities and Exchange Commission (“SEC”) as a Broker-Dealer and with the CFTC as a Futures Commission Merchant and Commodity Trading Adviser. References to securities trading are made on behalf of the BD Division of SFI and are intended only for an audience of institutional clients as defined by FINRA Rule 4512(c). References to exchange-traded futures and options are made on behalf of the FCM Division of SFI . StoneX is a trading name of StoneX Financial Ltd (“SFL”). SFL is registered in England and Wales, Company No. 5616586. SFL is authorized and regulated by the Financial Conduct Authority [FRN 446717] to provide to professional and eligible customers including: arrangement, execution and, where required, clearing derivative transactions in exchange traded futures and options. SFL is also authorised to engage in the arrangement and execution of transactions in certain OTC products, certain securities trading, precious metals trading and payment services to eligible customers. SFL is authorised & regulated by the Financial Conduct Authority under the Payment Services Regulations 2017 for the provision of payment services. SFL is a category 1 ring-dealing member of the London Metal Exchange. In addition SFL also engages in other physically delivered commodities business and other general business activities which are unregulated and not required to be authorised by the Financial Conduct Authority. StoneX Group Inc. acts as agent for SFL in New York with respect to its payments services business. StoneX APAC Pte. Ltd. acts as agent for SFL in Singapore with respect to its payments services business. ‘StoneX’ is the trade name used by StoneX Group Inc. and all its associated entities and subsidiaries.
 
Trading swaps and over-the-counter derivatives, exchange-traded derivatives and options and securities involves substantial risk and is not suitable for all investors. Past performance of any futures or option is not indicative of future success. Indicators are not a trading system and are not published as a specific trade recommendation. The information herein is not a recommendation to trade nor investment research or an offer to buy or sell any derivative or security. It does not take into account your particular investment objectives, financial situation or needs and does not create a binding obligation on any of the StoneX group of companies to enter into any transaction with you. You are advised to perform an independent investigation of any transaction to determine whether any transaction is suitable for you. No part of this material may be copied, photocopied or duplicated in any form by any means or redistributed without the prior written consent of StoneX Group Inc.
 
© 2026 StoneX Group Inc. All Rights Reserved.

Satellite view of Earth at night showing illuminated cities across Asia and the Middle East

Discover more insights

Our subscribers have access to comprehensive market analysis from StoneX spanning commodities, equities, currencies and more.

Related articles for Grains & Oilseeds

Perspective: Morning Commentary for August 6

August 6 – This morning’s stronger-than-expected U.S. labor data offered markets some relief, reinforcing confidence in the economy while giving the Fed greater flexibility to raise rates should inflationary pressures reaccelerate in next week’s July data. Stock futures are pointing to a mixed open to start the day, with the tech-heavy Nasdaq showing the most weakness. The VIX has fallen notably from yesterday’s spike above 18.4 as it starts the day hovering just below the 16-mark. The dollar is quietly higher as it trades just above 99.8, holding in the tight range seen thus far this week as traders continue to digest data to shape expectations for the Fed’s next move, which we’ll dive into in more depth below. Long-term treasury yields have relaxed slightly from their recent spike, with 30-year yields starting the day trading just above 5.19%, while 10-year yields trade above 4.64%, and 2-year yields sit below 4.22%. Crude oil is modestly higher to start the session after sharp declines earlier in the week, with nearby WTI up 1.8% to trade at $76.40 and nearby Brent up 2.4% to trade at $81.40. Meanwhile, the ags are quietly mixed to start the day.

Mike Castle
Mike Castle
  • Grains & Oilseeds
  • Energy
  • Dairy
  • Renewable Fuels
  • Cocoa
  • Coffee
  • Cotton
  • Sugar
  • Meats & Livestock
  • Forest Products

Perspective: Morning Commentary for August 5

August 5 – U.S. equities markets are on fire this week, with both the Dow Jones and S&P 500 setting new all-time highs yesterday with futures indicating further gains again today; the marketplace remains optimistic over a deal with Iran despite no evidence of such as of yet. Crude oil is working on a lower high and low today but remains slightly on the high side on the session, while the dollar is retreating back towards Monday’s nearly two-month low. The ten-year note is steady-to-lower this morning (though solidly lower so far this month) at 4.605%, while the VIX index continues to rebound into mid-week at almost a 17-point reading this morning.

Matt Zeller
Matt Zeller
  • Grains & Oilseeds
  • Energy
  • Dairy
  • Renewable Fuels
  • Cocoa
  • Coffee
  • Cotton
  • Sugar
  • Meats & Livestock
  • Forest Products

Perspective: Mid-Day Commentary for August 4

August 4 – The Dow Jones is absolutely piling on gains today, adding a similar number that led to yesterday’s record, with the benchmark index now nearing the 54k-point mark through mid-morning. The S&P also hit a new record, while the NASDAQ is exceeding both those gains on a percentage basis. The marketplace is optimistic on a U.S.-Iran trade deal, though the proposed resolution is still being “circulated between the parties”.

Mike Castle
Mike Castle
  • Grains & Oilseeds
StoneX: We open markets

Our market expertise, advanced platforms, global reach, culture of full transparency and commitment to our clients’ success all set us apart in the financial marketplace.

Reach

With access to 40+ derivatives exchanges, 180+ foreign exchange markets, nearly every global securities marketplace and numerous bi-lateral liquidity venues, StoneX’s digital network and deep relationships can take clients anywhere they want to go.

Transparency

As a publicly traded company meeting the highest standards of regulatory compliance in the markets we serve; our financials and record of accomplishment are matters of public record. StoneX’s commitment to “doing the right thing over the easy thing” sets us apart in the industry and helps us build respect, client trust and new partnerships.

Expertise

From our proprietary Market Intelligence platform, to “boots on the ground” expertise from award-winning traders and professionals, we connect our clients directly to actionable insights they can use to make more informed decisions and achieve their goals in the global markets.