11th District Cost of Funds Index (COFI)

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Last updated: Jul 19, 2023

Understanding the 11th District Cost of Funds Index (COFI)

The 11th District Cost of Funds Index (COFI) is an essential financial metric used in the United States to assess the cost of funds for financial institutions, such as banks and credit unions. It serves as a benchmark for calculating the interest rates on various financial products, particularly adjustable-rate mortgages (ARMs). In this article, we will delve into the concept of the 11th District COFI, its calculation method, and its significance in the financial industry.

💡 Key Ideas

  • Definition: The 11th District COFI is a financial metric used in the US to measure the cost of funds for savings institutions located in the 11th Federal Home Loan Bank District, covering states such as California, Nevada, and Arizona.

  • Calculation: It is calculated based on the weighted-average interest expenses reported by participating financial institutions within the district, reflecting the cost at which they acquire funds, such as customer deposits and borrowings.

  • Significance: The COFI serves as a benchmark for setting interest rates on adjustable-rate mortgages (ARMs) in the region. It offers a stable alternative to other indexes like LIBOR, providing borrowers with more predictable interest rate environments.

  • Regional Impact: The COFI focuses on the western states, making it responsive to regional economic conditions and offering insights into the overall cost of funds for financial institutions in the area.

What is the 11th District COFI?

The 11th District COFI, also known simply as COFI, is one of several COFI indices established by the Federal Home Loan Bank (FHLB) system. The 11th District COFI specifically represents the cost of funds for savings institutions located in the 11th Federal Home Loan Bank District, which covers the western part of the United States, including California, Nevada, and Arizona.

COFI is a monthly index that reflects the weighted-average interest expenses incurred by financial institutions within the 11th District when acquiring funds, such as customer deposits and borrowings. As a result, it offers insights into the overall interest rate environment and the cost at which financial institutions can obtain funds.

Calculation of the 11th District COFI

The 11th District COFI is calculated based on the interest expenses reported by the savings institutions operating within the district. The Federal Home Loan Bank of San Francisco is responsible for calculating and publishing the COFI on the last business day of each month. Here's a simplified overview of the calculation process:

  1. Gather Data: Participating financial institutions within the 11th District submit their interest expense data to the Federal Home Loan Bank of San Francisco.

  2. Weighted-Average Calculation: The interest expenses are then aggregated and averaged, taking into account the size of each institution and the amount of funds they have acquired during the specified period.

  3. Divide and Adjust: To determine the COFI value, the weighted-average interest expenses are divided by the total funds borrowed or acquired during the same period and then multiplied by 12 to annualize the value.

  4. Publication: Once the calculation is complete, the 11th District COFI is published by the Federal Home Loan Bank of San Francisco.

Significance of the 11th District COFI

The 11th District COFI plays a crucial role in the financial industry, particularly for borrowers and lenders involved in adjustable-rate mortgages (ARMs). Here are some key aspects of its significance:

  1. ARM Interest Rate Calculation: COFI serves as an underlying index for setting the interest rates of certain ARMs. The interest rate on an ARM typically consists of the COFI value plus a margin determined by the lender. As COFI fluctuates over time, borrowers may experience changes in their mortgage interest rates.

  2. Rate Stability: Unlike other commonly used indexes like the London Interbank Offered Rate (LIBOR) or the Prime Rate, COFI tends to be more stable and less subject to abrupt fluctuations. This characteristic can provide borrowers with a more predictable interest rate environment, making it an attractive option for some homeowners.

  3. Regional Impact: The 11th District COFI's focus on the western states means that it may respond differently to changes in economic conditions compared to broader national indices. This can make it a valuable tool for borrowers and lenders in the region seeking interest rates that align with the local economic climate.

  4. Market Insights: COFI can offer valuable insights into the overall cost of funds for financial institutions, making it a potential indicator of broader economic trends. Changes in COFI may reflect shifts in the availability of funds, market interest rates, and the general financial health of the region.

Conclusion

In conclusion, the 11th District Cost of Funds Index (COFI) is a significant financial benchmark in the United States, representing the cost of funds for savings institutions within the 11th Federal Home Loan Bank District. Its monthly publication and stability make it a valuable tool for both borrowers and lenders, particularly those involved in adjustable-rate mortgages. By understanding COFI and its calculation method, individuals and institutions can make informed decisions based on the prevailing interest rate environment and regional economic conditions.