Today’s CPI Report Is the Most Important Number of the Week. Maybe the Month.

Every other data point this week was prelude. August CPI prints this morning, and it lands in the middle of a market that’s already on edge, with crude near $100, producer prices still running hot at 4.76% year-over-year, and the Fed holding at 3.5% to 3.75% while traders price in a 70% chance of another hike. The twist most people will miss: the number that matters most today isn’t the headline. It’s what happens inside it.

Oil pulled back to $99.68 yesterday, down 2.73%, giving a modest lift to gasoline at the pump. The S&P 500 slipped to 7,591.70. The 10-year yield sits at 4.83%, a full percentage point above the Fed’s upper bound, which means the bond market is doing its own tightening regardless of what the Fed decides next week. Core inflation is the print that moves that needle. A hot core number tells bond investors their real return is being eroded, and they respond by demanding higher yields, which pushes prices lower.

August CPI prints this morning. The producer price pipeline, which runs hot at 4.76% year-over-year, has historically fed into consumer prices with a lag, so the setup argues for caution.

When inflation runs above the policy rate, money is still cheap in real terms. That’s the tension the Fed is navigating, and this morning’s number either tightens or loosens it.

Today’s CPI number connects directly to what Sunday’s Long View is unpacking: the gap between wages, inflation, and what it means for the businesses caught in between. That deeper read is free.

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