COFI – Cost Of Funds Index
- The 11th District Cost of Funds is more prevalent in the West and the 1-Year Treasury Security is more prevalent in the East. Buyers prefer the slowly moving 11th District Cost of Funds and investors prefer the 1-Year Treasury Security. The monthly weighted average Eleventh District has been published by the Federal Home Loan Bank of San Francisco since August 1981. Currently more than one half of the savings institutions loans made in California are tied to the 11th District Cost of Funds (COF) index. The Federal Home Loan Bank’s 11th District is comprised of saving institutions in Arizona, California and Nevada.