The Cost of Funds Index (COFI) is an index used to calculate the interest rates for adjustable-rate mortgages (ARMs). This index reflects the weighted average cost of savings, borrowings, and advances of a particular financial institution or group of institutions.
A comprehensive guide to the 11th District Cost of Funds Index (COFI), including its definition, calculation, historical context, applicability, and impact on financial markets in Arizona, California, and Nevada.
