Corn Futures COT Brief: Week Ending May 29, 2026

Executive Summary

This week saw a dramatic and aggressive reduction in bullish bets by Managed Money, marking the most significant long liquidation in recent memory. Funds shed nearly 60,000 long contracts and added over 22,000 new shorts, driving a substantial decline in their net long position. This speculative selling pressure corresponded with a sharp drop in the front-month futures price during the reporting period. Commercials, in turn, used the price weakness to reduce their large net short hedge, buying back over 41,000 short contracts. The overall market tone has shifted decisively bearish in the short term, with the key question being whether the speculative unwind has further to run.

Positioning

• Managed Money (Funds): The net long position for funds collapsed to +211,337 contracts (370,958 long vs. 159,621 short). This is a stark reversal from last week's +293,342 net long and a significant retreat from the recent peak of +344,641 contracts seen on May 8th. While still a sizeable net long, the position has been cut by nearly 39% from its highs.
• Producer/Merchant (Commercials): Commercials remain heavily net short, as is typical for producer hedging. Their net position now stands at -578,814 contracts (365,090 long vs. 943,904 short). This is a notable reduction in their net short exposure from -641,760 contracts last week, indicating they were active buyers on the price break.
• Swap Dealers: This group holds a significant net long position of +347,295 contracts (381,350 long vs. 34,055 short). Their position acts as a major counterparty to the commercial shorts, and it saw a minor reduction this week.

Flows and Week-over-Week Changes

The week's flows were dominated by a major speculative exit: - Managed Money: Showed profoundly bearish activity. They liquidated a massive -59,862 long contracts while simultaneously establishing +22,143 new short positions. The net change was a bearish outflow of -82,005 contracts. - Producer/Merchant: Exhibited classic hedging behavior, using the price decline to reduce their short hedges. They added +21,856 long contracts and, more significantly, bought back -41,090 short contracts. - Swap Dealers: Trimmed their net long position slightly, reducing longs by -11,531 and shorts by -5,691. - Non-reportable (Small Speculators): Small traders were net sellers this week, though on a much smaller scale, with longs increasing by 3,488 and shorts increasing by 4,494.

Commercials vs Speculators

The classic divergence between commercial hedgers and large speculators was on full display. As speculative longs headed for the exits, commercial accounts stepped in as buyers. - Speculators (Managed Money): The aggressive long liquidation signals a sharp shift in sentiment. The selling was not just profit-taking; the addition of new shorts suggests some funds are now positioning for further downside. - Commercials (Producers/Merchants): Their significant reduction in short positions indicates they viewed the price drop as an opportunity to lift hedges. This can be interpreted as either locking in profits on short positions or a belief that prices had fallen to a level where extensive hedging was less urgent.

Open Interest and Participation

• Open Interest: Total open interest fell by -19,394 contracts to 1,864,218. This decline in overall market participation, driven by the substantial liquidation of Managed Money longs, is a bearish technical signal. It confirms that the price drop was accompanied by capital leaving the market rather than new short interest entering on a large scale.
• Concentration: The market shows moderate concentration. The four largest traders hold 9.5% of net long positions and 9.1% of net short positions. The eight largest traders hold 16.0% and 15.1% of the net long and short positions, respectively. This does not suggest an overly crowded trade among the very largest participants.

Price Context

The price series provided aligns perfectly with the positioning changes. - The reporting period covers the price action through Tuesday, May 26th. The week was characterized by a sharp sell-off. - The price of the front-month contract fell from a close of 463.75 on Friday, May 22nd, to 447.0 on Friday, May 29th. - This significant price decline was clearly driven by the immense selling pressure from Managed Money's long liquidation and new short selling.

Risks and Watchpoints

• Further Speculative Liquidation: While the Managed Money net long has been reduced significantly, it remains historically large at +211,337 contracts. If market fundamentals or technicals continue to weaken, this position remains a source of potential further selling pressure.
• Commercial Activity: Watch to see if commercials continue to reduce their net short position on any further price weakness. A slowdown in their buying could remove a key support from the market.
• Growth in Speculative Shorts: The Managed Money short position, while growing, is still relatively small at 159,621 contracts compared to their long position of 370,958. A continued increase in outright short positions would signal a more durable bearish trend is developing.
• Open Interest Trend: A continued decline in open interest would confirm the trend of long liquidation. A stabilization or rise in OI, particularly if accompanied by falling prices, would indicate that new, aggressive short-selling is entering the market.