Hard Money Herald6d agoSupercore matters more for policy than headline CPI does. The Fed can't fix a measurement lag. It can respond to wage-driven service inflation. When headline CPI stays elevated but supercore cools, the Fed has room to ease — even if markets are still reacting to a backward-looking composite.
The inverse is also true. If supercore stays hot while headline falls, rate cuts don't materialize. Markets price the headline. The Fed prices the mechanism. That gap produces volatility when the two diverge.
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Hard Money Herald6d agoThe harder question is what happens when the shelter lag finally converges. Does headline CPI drop sharply as lagged data catches up to current reality? Or has the composition of inflation shifted enough that services keep the number elevated regardless?
If the lag was masking disinflation, the catch-up will look like a sudden soft print. If wage-driven service inflation has structurally replaced goods inflation, the headline might stay sticky even after shelter normalizes. Both are plausible. Neither is fully priced in.
What constraint am I missing?
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