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 2015 to 2019
Month FY19 FY18 FY17 FY16 FY15
September 2.151% 1.285% 0.834% 0.506% 0.358%
October 2.241% 1.326% 0.913% 0.551% 0.453%
November   1.500% 0.921% 0.603% 0.390%
December   1.429% 1.004% 0.634% 0.469%
January   1.500% 1.034% 0.704% 0.380%
February   1.645% 1.116% 0.807% 0.396%
March   1.770% 1.118% 0.795% 0.336%
April   1.868% 1.192% 0.834% 0.396%
May   1.919% 1.173% 0.816% 0.373%
June   2.020% 1.224% 0.801% 0.391%
July   2.063% 1.268% 0.807% 0.411%
August   2.101% 1.298% 0.824% 0.411%
Fiscal Years 2009 to 2014
Month FY14 FY13 FY12 FY11 FY10 FY09
September 0.323% 0.436% 0.651% 1.027% 1.492% 3.078%
October 0.372% 0.544% 0.569% 0.948% 1.737% 2.839%
November 0.388% 0.531% 0.676% 0.987% 1.911% 2.666%
December 0.385% 0.465% 0.692% 0.921% 1.574% 2.511%
January 0.408% 0.380% 0.632% 0.879% 1.225% 2.051%
February 0.438% 0.430% 0.570% 0.890% 1.167% 2.111%
March 0.413% 0.400% 0.510% 0.837% 1.139% 1.809%
April 0.429% 0.376% 0.499% 0.831% 1.129% 1.746%
May 0.360% 0.317% 0.440% 0.722% 0.989% 1.834%
June 0.343% 0.306% 0.435% 0.710% 1.032% 1.510%
July 0.336% 0.313% 0.513% 0.620% 1.046% 1.818%
August 0.351% 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.