Dewing Group

Market Report 9th September 2026

Headlines
There is mounting concern over the impact of intensifying hostilities in the Middle East on the global economy, as oil prices top $100 a barrel again.

US forces struck five Iranian tankers on Tuesday, sinking one, in response to Tehran twice targeting an American warship, US Central Command (Centcom) said.

The US is banning a slew of Canadian products, including alcoholic spirits, dairy goods and motorbikes, as its neighbour's retaliatory tariffs on American goods come into force.

The Argentine government has said that it will file criminal charges against oil company Navitas Petroleum for operating in seas off the Falkland Islands.

Daily Market Update

Wheat
A volatile session with significant intraday swings ultimately resolving modestly higher. London November 2026 gained £1.25 to £215.00 and November 2027 added 25p to £205.50, while Paris/Matif December eased 2 euros to €247.25. The Euronext September 2026 contract expiry created technical distortion — prices were pushed down to €232.50/tonne before the market recovered to close at €240.75. Deferred contracts ended slightly lower after an initially firmer open supported by the reopening of US markets and the confirmation that no tangible progress has been made on the Black Sea export disruption.

Drone and missile attacks on port infrastructure continue on both sides despite the diplomatic activity of recent days. Further negotiations are anticipated but the gap between political statements and physical reality remains as wide as ever. Iran and the US are intensifying hostilities — a development that keeps the energy complex elevated and provides an independent source of commodity market support.

Latvia — a NATO and EU member — has now formally imposed a 300% tariff on grain from Russia and Belarus using Latvian export facilities. This closes one of the few functioning alternative export corridors for Russian grain, concentrating demand further on Romanian, Bulgarian and French origins. Separately, Iran is reportedly one of Russia's largest grain buyers — 550,000 tonnes of corn, 300,000 tonnes of wheat and 120,000 tonnes of barley — creating a complex trade dynamic given the ongoing US-Iran conflict.

Saudi Arabia has formally cancelled its 535,000 tonne wheat tender, citing prices as too high. Saudi is betting on Black Sea de-escalation — a gamble that carries considerable risk given the evidence suggests the war continues into winter.

Rapeseed
Advancing toward major technical resistance near €560/tonne on the November Euronext contract — another higher close in a sustained bullish channel. Canadian canola is simultaneously testing recent highs in Winnipeg with new crop contracts gradually returning to recent highs amid persistently dry seeded acreage conditions. The oilseed complex is showing the most consistent bullish momentum of any sector in the current market.

Fund Positioning — A Warning Signal
Total fund long positions across grains and the soybean complex are estimated at approximately 1 million contracts — a record. This is the market's most significant structural risk. When speculative positioning reaches these extremes, the correction potential is severe. Any bearish catalyst — a peace announcement, a credible corridor agreement, a bearish USDA surprise — could trigger a rapid and violent unwind of extraordinary scale. The funds are described as "loading the boat" — which is another way of saying the boat is very full and any unexpected wave could capsize it. US stocks are already under pressure as inflation risk increases.

Friday's USDA Report — Critical
The September WASDE is the week's defining event. Corn yield cuts of approximately 5% are anticipated following Pro Farmer tour results and deteriorating crop ratings — now at 56% good/excellent with 5% of the harvest complete and early yield results closely monitored. A 5% corn yield cut at US production scale is a very large volume of supply removed from the global balance sheet. Any meaningful downward revision to global wheat estimates — private forecasts are 8.6 million tonnes below the USDA — would add further bullish weight.

The combination of record fund length and an expected bullish USDA report creates a binary risk — a bullish surprise amplifies the long position further, a bearish surprise triggers a historic unwind. Position carefully ahead of Friday.

US-China Summit
The end-of-month Xi visit to the US may prove as important as the USDA report for medium-term direction. With China at 36% of its 25 million tonne soybean pledge, the remaining 64% represents enormous demand. Whether that demand is committed at the summit will shape soybean markets through the winter.

Norfolk & East Anglian Context
EU corn imports rising confirms what FEFAC warned — official import estimates are insufficient and buyers are covering requirements at pace. Latvia's 300% tariff closing the Russian grain alternative route is directly supportive of demand for Western European and UK origin. Every corridor that closes redirects demand toward origins that can deliver reliably — and Norfolk grain is one of them.

Opinion
One million contracts net long across grains and soybeans. That number deserves a moment of reflection. The entire global grain complex has been bought by speculative funds to an extent that has no modern precedent. This is not a reflection of considered supply and demand analysis alone — it is momentum, narrative and positioning feeding on itself. The supply story is real and compelling. The positioning is extreme and dangerous.

Latvia's 300% tariff on Russian grain is the geopolitical development that most directly affects trade flows relevant to UK origin. Russia losing the Latvia route closes another valve on an already severely constrained export system. The grain that cannot move through the Black Sea and now cannot move through Latvia has to stay in Russia — or find another route that doesn't yet exist at scale.

Iran buying 550,000 tonnes of Russian corn, 300,000 tonnes of wheat and 120,000 tonnes of barley while simultaneously fighting the US in the Persian Gulf is the kind of trading relationship that creates geopolitical complexity the market has not yet fully priced. How does Russian-Iranian grain trade continue if US sanctions tighten? And if it doesn't, where does Iran source its grain requirements?

Saudi passing on its tender. Latvia closing its corridor. Iran intensifying with the US. One million fund contracts long. Friday's USDA. The week is building toward a significant market event in either direction.