Apollo: Diesel Crack Spread Breaks $100, Core Inflation Pressure Hard to Dismiss as Transitory
nashnova research
U.S. Gulf Coast diesel crack spreads broke above $100 per barrel in August, far beyond the historical norm of $15–$30. Apollo chief economist Torsten Slok warns this refining premium is feeding into core inflation through logistics costs, constraining the Fed's path to rate cuts.
Diesel crack spreads at $100 — how abnormal is that?
The diesel crack spread — the premium a refinery earns turning crude into diesel — topped $100 per barrel in August for the first time.
The historical normal range is just $15–$30 per barrel; the current level is roughly 3 to 7 times the norm.
This means → refining-stage profits are at an extreme, well beyond any familiar fluctuation band.
Why is a diesel price spike worse than a gasoline spike?
A gasoline price jump is a one-off hit to consumer wallets — fill-ups cost more, but other goods are unaffected.
Diesel is different: it is the embedded transport cost beneath nearly every physical good — trucking, rail, agriculture, and construction all run on diesel.
In plain terms = gasoline hurts once at the pump; diesel stacks a surcharge onto everything you buy.
This reflects the fact that diesel price increases do not stay in the CPI energy sub-index — they migrate with a lag into core goods and services prices.
Why can't the Fed call this transitory?
Slok argues that diesel is pushing up core inflation — the precise metric the Fed watches most when setting rates.
This means → this transmission channel cannot be filed under "one-off energy shock," making it very hard for the Fed to label it transitory.
Slok's key conclusion: diesel crack spreads are already lifting long-end Treasury yields, because the market is pricing in upside risk to future core inflation.
What does this mean for rate-cut expectations?
Upward pressure on long-end yields signals that the bond market is growing more cautious on the inflation outlook.
This means → earlier market expectations for the Fed's rate-cut timeline face a direct constraint.
In plain terms = as long as diesel crack spreads stay elevated, the door to rate cuts stays hard to open.
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