Source: Board of Governors of the Federal Reserve System (US)  

Release: An Arbitrage-Free Three-Factor Term Structure Model and the Recent Behavior of Long-Term Yields and Distant-Horizon Forward Rates  

Units:  Percent, Not Seasonally Adjusted

Frequency:  Daily

Kim and Wright (2005) produced this data by fitting a simple three-factor arbitrage-free term structure model to U.S. Treasury yields since 1990, in order to evaluate the behavior of long-term yields, distant-horizon forward rates, and term premiums. For the full paper, please go to http://www.federalreserve.gov/pubs/feds/2005/200533/200533abs.html