This caused me to go to the Federal Reserve site to see what they are up to lately...and I found this that made me go hmmm.

https://www.federalreserve.gov/newsevents/pressreleases/bcreg20210602a.htm

https://www.federalreserve.gov/monetarypolicy/iorb-faqs.htm

I wonder a little bit when the Fed goes messing around with how they calculate interest. Kinda like banks, when they do it quietly and without fully explaining themselves.

EDIT: Not to mention the dividends they pay... https://www.federalreserve.gov/aboutthefed/appendix-b-dividends.htm#:~:text=%22After%20all%20necessary%20expenses%20of,which%20dividend%20shall%20be%20cumulative.