Cropwire

Last week the fund trade split. This week the harvest started testing it.

Corn’s build stopped at almost exactly +414,000 contracts, soybeans were cut, cotton was cut again and Chicago wheat went back net short. Sugar, one of the largest positions in the agricultural book, shifted from short covering to long liquidation and new short selling. At the same time the US corn and soybean harvests moved ahead of their normal pace.

The evidence funds were waiting for is starting to arrive. Much of it is not yet the evidence that matters most.

The Test Begins Before the Sample Is Ready

Corn managed money finished the week to 15 September at +414,460, one contract above the week before: funds cut 7,296 longs and covered 7,297 shorts. The build has stopped without unwinding, leaving the position essentially unchanged as harvest evidence begins to arrive.

That evidence is arriving unevenly. Corn is 13% harvested nationally against an 11% average, with Illinois at 16% and several southern states well ahead — yet Iowa, the largest producing state, is only 4% harvested. The first yields are coming from a sample with very little Iowa in it, against a USDA benchmark of 178.5 bushels that leaves stocks-to-use near 9.7%.

Elsewhere, funds are already reducing. Soybean length fell 15,757 contracts even as meal and oil were bought, and sugar net length dropped 13,254 through liquidation and new shorts, with October raw sugar now about 7% off its high. In both, the physical story still looks tight, but identifiable release valves are coming into view.

Agricultural Positioning Intelligence — The Fund Trade Fractures Further

Soybean meal buying accelerates as funds retreat from beans, corn stops expanding and Chicago wheat moves back net short.

Read the note →

Sugar Analysis — Brazil Chooses Ethanol as India Opens Imports

Brazil is producing less sugar as mills favour ethanol, while India’s crop shortfall has forced an import window. Both sources of tightness have release valves.

Read the note →

US Crop Intelligence — Harvest Accelerates as the Yield Test Begins

Corn and soybean harvests are running ahead of normal, but Iowa’s slow start means the first yield evidence is not yet a representative national sample.

Read the note →

CFTC Agricultural Positioning

Managed money, futures only. Positions as of 15 September 2026.

Chicago wheat failed its second persistence test. Last edition asked whether it could hold above zero; it fell 8,547 contracts to −3,674, completing a round trip from −13,597 to +14,904 and back in three reports. The crossover theme that led Edition No. 2 is closed.

The soybean complex has split internally. Beans lost 15,757 contracts while meal added 25,422 and oil 9,769, with the meal build driven almost entirely by new longs.

Contract counts are comparable within markets, not across them.

USDA Crop Progress

Week ended 20 September 2026, released 21 September.

Corn and soybean conditions held for a second week while harvest moved ahead of normal. Cotton slipped two points and is now 13 below last year. Winter-wheat planting is four points behind average — worth watching, not yet a signal.

01 — Iowa’s Harvest

Corn is 13% harvested nationally but only 4% in Iowa. Until the largest state contributes more of the sample, early national yields are not yet a representative test of USDA’s 178.5 bushels.

02 — Whether Corn Funds Hold or Fold

The build has stopped at +414,460 without unwinding. Friday’s report, covering positions as of 22 September, shows whether the first yield evidence changes that.

03 — Brazilian Sugar–Ethanol Parity

Sugar remains well above its June low. If it now pays mills more than ethanol, cane moves back to sugar — an outcome the ISO’s near-balanced forecast already assumes.

04 — India’s Sugar Quota Surrenders

Mills applied for most of the 1 million tonne duty-free quota, but import economics have deteriorated. The volume handed back by 30 September will show how much of it was ever going to arrive.

05 — Meal Against Beans

Funds bought 22,148 meal longs while selling bean length. Whether that divergence extends is the clearest read on where the soybean trade is going.

06 — Brazil’s 9 October Deadline

The zero tax rate on hydrous ethanol expires then unless extended. Alongside E32 and cheaper gasoline, the decision will help determine the relative economics of ethanol and sugar.

The Bottom Line

The late-summer agricultural trade was built on crop-condition deterioration and production uncertainty. That phase is ending. Corn and soybean condition ratings have stabilised and harvest has started. In corn, funds are holding a large position essentially unchanged; in soybeans, sugar and cotton, they are reducing exposure.

Harvest is running ahead of its normal national pace, but the evidence is not yet coming from a representative sample. Illinois and the southern states are well into harvest while Iowa has barely begun, so the first yield reports say more about where combines have been able to run than about the national crop.

Sugar shows the same pattern from a different angle. The tightness is real, but Brazil can switch back to sugar and India’s quota may never become imports. Funds are reducing exposure before either release valve has been confirmed.

The positions are built. The test has begun. The sample that decides it has not arrived yet.

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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