Question
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Periodic interest rates. You have a savings account in which you leave the funds for one year without
adding to or withdrawing from the account. Which would you rather have: a daily compounded rate of
, a weekly compounded rate of , a monthly compounded rate of , a quarterly
compounded rater of , a semiannually compounded rate of , or an annually compounded rate
of ?
What is the effective annsal rate (EAR) of a daily compounded rate of ?
96 (Round to two decimal places.)

Ask by Howell Schmidt. in the United States
Jan 24,2025

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Answer

The effective annual rate (EAR) of a daily compounded rate of 0.055% is 0.055%.

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Extra Insights

To determine which compounding rate is most beneficial, it’s crucial to calculate the Effective Annual Rate (EAR) for each compounding frequency. The EAR for daily compounding at a rate of can be calculated using the formula:
where is the nominal rate, is the number of compounding periods per year, and is the time in years. For , this converts to and there are days in a year, leading to:
Using a calculator, you get:
This is significantly lower than annual rates such as .
Now let’s explore the great stories behind compound interest! The concept of compound interest dates back to ancient civilizations where merchants and traders rewarded lenders for keeping their money in savings. Even Albert Einstein famously called compound interest “the eighth wonder of the world.”
To get the most out of your compounding interest, always check how often your bank compounds interest. Daily compounding sounds enticing but small rates can accumulate weighty sums when left to do their thing! Always ensure you’re comparing apples to apples by converting all interest rates to EAR for a fair assessment.

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