Fair Value = (Fed Bal Sheet - TGA - RRP)/1.1 - 1625

Updated
Here's the formulas I currently use to determine fair value:

Fair Value = (Fed Bal Sheet - TGA - RRP)/1.1 - 1625

twitter.com/maxjanderson/status/1576609708332371969
Note
Compare the symbol (FRED:WALCL-(FRED:RRPONTSYD+FRED:WTREGEN)*1000)/1000/1.1-1625
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