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Meridian Data
Agriculture 22 September 2026 · 5 min read

Wheat: the trade is logistics, not the weather

Weather models get the headlines. Insurance premia and corridor capacity set the price, and both have been quietly tightening since August.

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Priya Raghunathan Head of Agricultural Markets

The wheat market has spent the autumn trading weather headlines and quietly ignoring the variable that actually moves tonnage: the cost and availability of moving grain out of the Black Sea. War-risk insurance for the corridor has roughly doubled since August, and the effective capacity of the deep-water ports remains well below their peacetime throughput.

Those costs do not disappear; they land in the FOB differential. A $12/t increase in insurance and freight is, for a miller in North Africa, indistinguishable from a $12/t increase in the futures price. The difference is that the futures market can be hedged and the freight market largely cannot, which is why we see the basis behaving more violently than the flat price.

The northern hemisphere harvest was adequate, and our balance has global stocks-to-use at 32.4% — comfortable by historical standards. That is the reason the flat price has not broken out. But a comfortable global balance and a tight deliverable balance are not the same thing, and the market's ability to move wheat from where it is to where it is needed has been degraded.

We would be buyers of the March–May spread rather than the outright. The carry in a well-supplied market is normally negative for the spread; if corridor disruption extends into the first quarter, that carry inverts and the spread does the work. The outright requires a weather event to perform, and we have no edge on weather.

On the demand side, the feed substitution story is real but smaller than the bull case assumes. Corn at current parity takes some feed wheat demand, but the quality spread between milling and feed wheat is wide enough that the substitution is limited to the marginal tonne. Do not expect wheat to be rescued by the feed complex.

Wheat Black Sea Freight

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