You're right, they technically use Core PCE, rather than Core CPI. But if you look at a chart of the two they are very tightly correlated. They can be used pre

You're right, they technically use Core PCE, rather than Core CPI. But if you look at a chart of the two they are very tightly correlated. They can be used pretty much interchangeably as an inflation measure, methodology not different enough to create material differences.