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Cropwire — September 15, 2026 — Edition No. 4
The fund trade split. The crop data mostly didn't. Edition No. 4 of Cropwire.
BLOODSTONE
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Cropwire  ·  Edition No. 4
September 15, 2026

Cropwire

 

Last week ended with a question: could the crop justify the positions funds had built? Friday answered it, and the answer was not the same for every market.

The fund trade split. Corn and soybeans attracted more length, but Chicago wheat surrendered two-thirds of its new net long, cotton fell back below 100,000 contracts and soybean oil reversed outright. Meanwhile USDA cut corn and cotton production and raised soybeans to a prospective record.

That looks like three different crops moving three different ways. Separate yield from acreage and it isn’t.

 
The Big Picture

The Split Is Narrower Than It Looks

The CFTC report for 8 September broke the synchronised agricultural build that led the last two editions.

Corn extended 13,456 contracts to +414,459 and soybeans added 22,338 to +257,258, both overwhelmingly through new longs. But Chicago wheat fell 10,031 contracts to +4,873, losing more than two-thirds of the crossover established a week earlier. Cotton dropped 5,596 to +95,367. Soybean oil fell 8,112 with funds cutting longs and adding shorts simultaneously. Soybean meal stopped expanding. Sugar’s higher net long came entirely from short covering.

The obvious reading is that physical evidence has started discriminating between the positions: corn got confirmation from a 2.2-bushel yield cut, cotton got a 3% production cut, while soybeans received a marginal September yield increase alongside record production.

That reading is incomplete, and what it misses matters.

On yield, all three crops moved the same way. Corn is forecast at 178.5 bushels per acre against 186.5 last year. Cotton is at 776 pounds against 852. Soybeans are at 52.8 bushels against 53.0 — lower, not higher. The soybean production record comes from 85.9 million harvested acres against 80.4 million in 2025. Apply this year’s yield to last year’s acreage and the crop is 4.247 billion bushels, below 2025’s actual 4.262 billion.

So the widely cited soybean confirmation gap is partly an artefact of reading production headlines rather than yields. Funds adding soybean length are not betting against the crop data; they are betting on a yield that is already slightly below last year across an unusually large acreage base, where one bushel per acre moves production by roughly 86 million bushels.

The balance sheets say something similar. USDA raised soybean exports 25 million bushels to 1.685 billion and cut carryout to 310 million from 320 million — a record crop arriving with a tighter carryout, not a looser one. In corn, a 213-million-bushel production cut translated into only an 86-million-bushel fall in ending stocks, because feed and residual use was cut 150 million, absorbing roughly two-thirds of the supply reduction. Stocks-to-use still lands at 9.7%.

Monday’s Crop Progress report then showed conditions stabilising as harvest accelerated: corn up a point to 57% good/excellent, cotton up two to 36%, soybeans steady at 58% for a third week. Corn is 8% harvested against a 6% five-year average, soybeans 6% against 3%.

The positions have separated. The crops, on the measure that matters, have not.

 
This Week’s Research

US Crop Intelligence — Lower Yields, Higher Acres

USDA cut corn and cotton production and raised soybeans to a record, but all three 2026 yields are below 2025. The divergence is an acreage story.

Read the note →

Agricultural Positioning Intelligence — The Fund Trade Starts to Split

Corn and soybean funds added further length, but Chicago wheat, cotton and soybean oil reversed as USDA’s production estimates tested the complex.

Read the note →

Coffee (Arabica) Analysis — Funds Sell as Brazil Nears the Exchange

Managed money cut net length 4,620 contracts as Brazilian coffee reached ICE depots for grading, even with certified stocks near multi-decade lows.

Read the note →

Cocoa Analysis — A 67% Price Gap Across a Land Border

Côte d’Ivoire and Ghana have aligned their calendars and diverged on price, just as ICCO withholds its 2025/26 global balance.

Read the note →

Blu Dot surpasses 2,000% ROAS with self-serve CTV ads

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Using Roku Ads Manager, the campaign moved from a pilot to a permanent performance engine for the brand.

Cropwire — Section 2
The Week in Data

CFTC Agricultural Positioning

Managed money, futures only. Positions as of 8 September 2026.

Market Net WoW Δ Long Δ Short
Corn+414,459+13,456+23,178+9,722
Soybeans+257,258+22,338+22,765+427
Sugar No. 11+238,684+4,913−2,607−7,520
Soybean Meal+157,689+510−5,104−5,614
Cotton No. 2+95,367−5,596−7,137−1,541
Soybean Oil+91,711−8,112−3,959+4,153
HRW Wheat+48,676−150−3,706−3,556
Live Cattle+48,905+54+248+194
Minneapolis Wheat+22,325+1,452+1,257−195
Coffee C+22,109−4,620−2,950+1,670
Chicago SRW Wheat+4,873−10,031−9,108+923
Cocoa−8,757−4,007−2,020+1,987
Lean Hogs−29,634+5,057+1,049−4,008

Chicago wheat failed its persistence test. Last edition flagged whether the crossover would hold; it survived by 4,873 contracts after funds liquidated 9,108 longs. HRW was flat and Minneapolis strengthened, so the three contracts no longer move together.

Live cattle answered the other way. After adding 8,576 shorts the previous week, funds were essentially static — net length up 54 contracts on marginal additions to both sides. The bearish cattle build did not continue.

Contract counts are comparable within markets, not across them.

 

USDA September Production Revisions

Crop Production and WASDE, released 11 September 2026.

Crop Sep Yield 2025 Yield Sep Prod. Acres Δ
Corn178.5 bu186.5 bu15.800bn bu88.5m vs 91.3m
Soybeans52.8 bu53.0 bu4.535bn bu85.9m vs 80.4m
Cotton776 lb852 lb13.20m bales8.16m vs 7.83m

Every 2026 yield sits below 2025. The production outcomes differ because acreage does: corn harvested area is down 2.8 million acres, soybeans up 5.4 million and all-cotton up 330,000 with implied abandonment rising to roughly 22% from about 16%.

 

USDA Crop Progress

Week ended 13 September 2026, released 14 September.

Crop G/E Prev. Yr Ago
Corn57%56%67%
Soybeans58%58%63%
Cotton36%34%52%
Development This Week 5yr Avg
Corn — harvested8%6%
Soybeans — harvested6%3%
Cotton — bolls opening57%48%
Winter wheat — planted8%12%
Rice — harvested62%50%

Conditions stopped deteriorating across all three principal crops. Illinois is 8% harvested and Iowa 2%, so measured corn yield evidence remains thin.

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Cropwire — Section 3
What We’re Watching

01 — Whether Corn Shorts Keep Rebuilding

Funds added 23,178 longs but also 9,722 shorts, the first time a bearish constituency has grown alongside the build. Friday’s report, covering positions as of 15 September, shows whether that becomes the more important mechanic above +414,459.

02 — Soybean Yield Against the Acreage Base

At 85.9 million harvested acres, a single bushel per acre is worth roughly 86 million bushels. Early field results matter more here than in any other market this autumn.

03 — Whether Cotton Funds Rebuild After the Cut

Managed money reduced exposure before USDA confirmed a 3% production reduction. Renewed buying would indicate funds responding to confirmation; continued liquidation would suggest something else is being discounted.

04 — Chicago Wheat’s Second Test

Holding +4,873 is not the same as holding a crossover. Another week of long liquidation returns it to net short and closes the theme that led Edition No. 2.

05 — ICE Coffee Certifications

More than 62,000 Brazilian bags are awaiting grading against certified stocks near 220,000. Whether they pass is the observable test of the deliverable-scarcity thesis.

06 — West African Cocoa Flows

With ICCO withholding its 2025/26 balance and a roughly 67% farmgate differential across the Ghana–Côte d’Ivoire border, arrivals data carry more weight than usual just as cross-border incentives make country-level figures harder to interpret.

 
Cropwire  ·  Closing Note

The Bottom Line

The agricultural fund trade has stopped moving as one thing. Corn and soybeans are still attracting length, but wheat has fractured across its three contracts, cotton and soybean oil have reversed, meal has stalled and sugar’s headline flatters a shrinking gross long.

The crop data has done the opposite. Corn, soybeans and cotton are all forecast to yield less than last year. Only acreage makes them look different, and only production headlines make soybeans look like the outlier.

That distinction is worth holding onto through harvest. A record soybean crop with a falling carryout, and a second-largest corn crop with stocks-to-use at 9.7%, are not the loose balance sheets the production numbers suggest at first reading.

Harvest now decides how long that divergence can last.

 

Cropwire is published every Tuesday by Bloodstone Research, covering global agricultural commodities, livestock markets and the emerging economies that produce them. Publication dates may shift around US agricultural reporting holidays. This document is published by Bloodstone Research for informational and institutional research purposes only. It does not constitute investment advice, an investment recommendation, an offer or solicitation to buy or sell any financial instrument, commodity or security, or a forecast of future performance. Market conditions and data may change without notice. Readers should conduct their own analysis and, where appropriate, seek independent professional advice before making investment decisions.

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