20-Year Treasury Constant Maturity Rate

For further information regarding treasury constant maturity data, please refer to http://www.federalreserve.gov/releases/h15/current/h15.pdf and http://www.treasury.gov/resource-center/data-chart-center/interest-rates/Pages/yieldmethod.aspx.

Data Source: http://www.federalreserve.gov/releases/h15/