Thanks, I don't know much about standard deviations but found this really interesting, if a little unnerving.
Also, if you're interested in the workings of the Fed, check out Adam Tooze's new book 'Crashed'. There's a great podcast summary on the LSE website.
RE: The S&P 500 is Outside of 3 Standard Deviations on a 40+ Year Timeline 🤔🤔