The Treasury Pool is the collective name of all funds held in the state treasury. These funds are invested in a mixture of investment types and financial institutions statewide. Treasury Pool Rates are the annualized average rates of interest on all Treasury pooled investments. Rates are rounded to three decimal places.

Fiscal Years 2014 to 2018
Month FY18 FY17 FY16 FY15 FY14
September 1.285% 0.834% 0.506% 0.358% 0.323%
October 1.326% 0.913% 0.551% 0.453% 0.372%
November 0.921% 0.603% 0.390% 0.388%
December 1.004% 0.634% 0.469% 0.385%
January 1.034% 0.704% 0.380% 0.408%
February 1.116% 0.807% 0.396% 0.438%
March 1.118% 0.795% 0.336% 0.413%
April 1.192% 0.834% 0.396% 0.429%
May 1.173% 0.816% 0.373% 0.360%
June 1.224% 0.801% 0.391% 0.343%
July 1.268% 0.807% 0.411% 0.336%
August 1.298% 0.824% 0.411% 0.351%
Fiscal Years 2009 to 2013
Month FY13 FY12 FY11 FY10 FY09
September 0.436% 0.651% 1.027% 1.492% 3.078%
October 0.544% 0.569% 0.948% 1.737% 2.839%
November 0.531% 0.676% 0.987% 1.911% 2.666%
December 0.465% 0.692% 0.921% 1.574% 2.511%
January 0.380% 0.632% 0.879% 1.225% 2.051%
February 0.430% 0.570% 0.890% 1.167% 2.111%
March 0.400% 0.510% 0.837% 1.139% 1.809%
April 0.376% 0.499% 0.831% 1.129% 1.746%
May 0.317% 0.440% 0.722% 0.989% 1.834%
June 0.306% 0.435% 0.710% 1.032% 1.510%
July 0.313% 0.513% 0.620% 1.046% 1.818%
August 0.312% 0.426% 0.786% 1.142% 1.486%

Source: Texas Comptroller of Public Accounts, Treasury Accounting Division

Note: The Treasury Pool Rates are annualized on a 365-day year and the number of days in the month. Interest is computed and allocated on a pro rata basis as stated in Tex. Gov’t Code section 404.071.

For questions concerning interest rates, please call 512-463-8356.