Definition
The Average (Daily) Balance is a methodology frequently used by financial institutions, particularly banks, to calculate interest charges on accounts such as credit cards. The calculation involves summing the outstanding balance for each day of the billing cycle and then dividing this total by the number of days in that cycle.
Formula
The formula for computing the Average Daily Balance is:
\[ \text{Average Daily Balance} = \frac{\sum \text{Daily Balances}}{\text{Number of Days in the Billing Cycle}} \]
Examples
Example 1: Credit Card Balance
Suppose a credit card has the following balances over a 5-day billing cycle:
- Day 1: $1,000
- Day 2: $900
- Day 3: $800
- Day 4: $1,100
- Day 5: $1,200
The calculation would be as follows:
\[ \text{Total Balance} = $1,000 + $900 + $800 + $1,100 + $1,200 = $5,000 \] \[ \text{Average Daily Balance} = \frac{$5,000}{5 \text{ days}} = $1,000 \]
Example 2: Loan Interest Calculation
A bank charging interest on a loan may also use the average daily balance method. If the balances over a month were significantly different due to payments and withdrawals, the interest would be computed on this average rather than on each varying daily balance.
Frequently Asked Questions (FAQs)
What is the Average Daily Balance method?
The Average Daily Balance method involves summing up the daily balances within a billing cycle and dividing by the number of days in that cycle to determine the average balance, which is used for interest computations.
Why do banks use the Average Daily Balance method?
Banks use this method because it provides a fair assessment of the account holder’s average debt throughout the billing cycle, leading to more accurate interest calculations.
How does the Average Daily Balance affect interest charges on a credit card?
With the Average Daily Balance method, interest is calculated based on the average amount owed each day during the billing cycle. This can result in different interest charges compared to other methods such as ending balance or adjusted balance methods.
Is the Average Daily Balance method beneficial for consumers or banks?
The Average Daily Balance method can be beneficial for both parties. It gives consumers the opportunity to lower their interest charges by paying down balances earlier in the cycle, while banks get a representative figure for what is owed throughout the month.
Can making a payment in the middle of the billing cycle affect my Average Daily Balance?
Yes, making a payment will lower the daily balance from the day of payment onward for the remainder of the billing cycle, subsequently lowering your average daily balance and thus your interest charges.
Related Terms with Definitions
Interest Rate
The percentage charged on the outstanding balance of a loan or credit card, representing the cost of borrowing.
Billing Cycle
The period for which a credit card statement is generated, usually consisting of roughly 30 days.
Minimum Payment
The minimum amount a cardholder is required to pay towards their credit card balance each billing cycle.
Compound Interest
The interest calculated on the initial principal as well as on the accumulated interest from previous periods.
Online References
- Investopedia: Average Daily Balance Method
- The Balance: How the Average Daily Balance Method Works
- CFPB: Credit Card Basics
Suggested Books for Further Studies
- “Principles of Banking” by American Bankers Association
- “Credit Analysis and Lending Management” by Milind Sathye and James Bartle
- “Consumer Credit and the American Economy” by Thomas A. Durkin, Gregory Elliehausen, Michael E. Staten, and Todd J. Zywicki
Fundamentals of Average Daily Balance: Banking Basics Quiz
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