The last release date available is 2018-02-13.
|Market Value of U.S. Government Debt|
|Federal Reserve Bank of Dallas|
For many uses, market value more accurately represents the debt burden faced by the U.S. government than the par value. The par value of government debt, which is reported by the U.S. Treasury Department, reflects interest rates at the time the debt was issued while the market value is adjusted to reflect market interest rates as of the observed period. Federal Reserve Bank of Dallas researchers calculate the market value of U.S. government debt series.
3 Series Revisions