The following chart shows the yields on USTreasury securities during month of March. These are end-of-day figures. Intraday, the 1-3 month were negative during the middle portion of the week.
As of Friday, 3/27/2020, the 30-year bond is paying 1.29%. This is slightly off the bottom of less than 1% on 3/9, but is still very negative in real terms (when using the CPI to discount for price inflation). You may click the thumbnail below to enlarge. We are also posting the link to the Treasury’s site as well for your convenience.
Sutton/Mehl