What this is
Reconstructed from the five H.10 weekly releases because the Fed monthly series (G.5 / hist dat00_ja) was not retrievable in this unattended run; the Fed monthly figure averages the same daily rates so a small calendar difference is the only expected gap.
Where it comes from
Our calculation from other figures in the trainer’s notes.
Show the working
- mean of 21 daily H.10 noon buying rates, 1–30 May 2025