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Oil

Oil Math - Understanding The Crude Deficit Better

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HFI Research
Sep 24, 2026
∙ Paid

Here’s the best way to summarize the oil market today:

  • Global oil product inventories are near operational minimums. It’s low everywhere.

  • Global ex-China crude oil storage is falling and will reach operational minimums by year-end.

We are now almost 7 months into this Iran war; global crude exports are currently down 3.2 million b/d y-o-y.

Based on the implied crude storage deficit, we are currently seeing a 3 million b/d deficit.

In simple terms, the drop in crude exports is translating almost directly into a drop in onshore crude oil inventories.

To better understand the crude oil math, we look at these 3 variables:

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