Money Market Account Formula:
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A Money Market Account (MMA) is a type of savings account that typically earns higher interest rates than regular savings accounts. It combines features of savings and checking accounts, often with limited transaction capabilities.
The calculator uses the compound interest formula:
Where:
Explanation: The formula accounts for compound interest, where interest is earned on both the initial principal and the accumulated interest from previous periods.
Details: Compound interest can significantly increase investment returns over time. The more frequent the compounding, the greater the return. Understanding this helps in financial planning and comparing different investment options.
Tips: Enter the principal amount in dollars, interest rate as a decimal (e.g., 0.05 for 5%), number of compounding periods per year (e.g., 12 for monthly), and time in years. All values must be positive numbers.
Q1: What's the difference between simple and compound interest?
A: Simple interest is calculated only on the principal amount, while compound interest is calculated on the principal plus accumulated interest.
Q2: How does compounding frequency affect returns?
A: More frequent compounding (e.g., daily vs. annually) results in higher returns due to the "interest on interest" effect.
Q3: Are MMAs FDIC insured?
A: Yes, money market accounts at FDIC-insured banks are protected up to $250,000 per depositor.
Q4: What are typical MMA interest rates?
A: Rates vary but are generally higher than regular savings accounts. As of 2023, top-yielding MMAs offer 3-5% APY.
Q5: Are there withdrawal limits on MMAs?
A: Federal regulations typically limit certain types of withdrawals/transfers to 6 per month.