Interest Rate Statistics

Overview

Treasury Long-Term Average Rate and Extrapolation Factors. Beginning February 18, 2002, Treasury ceased publication of the 30-year constant maturity series. Instead, from February 19, 2002 through May 28, 2004, Treasury published a Long-Term Average Rate, “LT>25,” (not to be confused with the Long-Term Composite Rate, definitions below). In addition, Treasury published daily linear extrapolation factors that could be added to the Long-Term Average Rate to allow interested parties to compute an estimated 30-year rate. On June 1, 2004, Treasury discontinued the “LT>25” average due to a dearth of eligible bonds. In place of the “LT>25” average, Treasury published the Treasury 20-year Constant Maturity rate on this page along with an extrapolation factor that was added to the 20-year Constant Maturity to obtain an estimate for a theoretical 30-year rate. On February 9, 2006, Treasury reintroduced the 30-year constant maturity and is no longer publishing the extrapolation factor.

Additional facts from data.gov

Dataset Summary

  • Date Released: First day of current month
  • Date Updated: Daily
  • Time Period: Current month
  • Data.gov Data Category Type: Raw Data Catalog
  • Frequency: Daily
  • Specialized Data Category Designation: Statistical

Contributing Agency Information

License

This dataset was prepared by the government and is therefore in the public domain. There are no restrictions upon its use.

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