Moody's Aaa Bond

Moody's Aaa Corporate Bond, also known as "Moody's Aaa" for short is an investment bond that acts as an index of the performance of all bonds given an Aaa rating by Moody's Investors Service. This corporate bond is often used in macroeconomics as an alternative to the federal ten-year Treasury Bill as an indicator of the interest rate. Moody's and other investment companies have other less common investment bonds that are also used.

Moody's Seasoned Aaa Corporate Bond Yield were available from the St Louis FRED database:

They stopped updating their database on the Moody's Seasoned Aaa Bond Yield on october 11th 2016.