Methodology
Real return
Every number on this site traces back to a formula in this section. If you find a mismatch, that is a bug — not an opinion.
The formula
real = (1 + nominal) / (1 + CPIH) − 1
Compounded over the window; CPIH monthly readings interpolated to weekly observations.
long-form article body · pending — formulas, worked examples, source tables land here