Compound Interest Formula:
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This calculator estimates the growth of your savings in a high-yield account like Ally Bank's Online Savings Account, which compounds interest daily. It helps you project your savings growth over time.
The calculator uses the daily compound interest formula:
Where:
Explanation: Interest is calculated daily (divided by 365) and compounded for each day over the investment period.
Details: Daily compounding means you earn interest on your interest every day, which significantly boosts growth compared to simple interest or less frequent compounding.
Tips: Enter your initial deposit, current APY (like Ally's 4.25%), and time period. For partial years, use decimals (e.g., 0.5 for 6 months).
Q1: How often does Ally Bank compound interest?
A: Ally compounds interest daily and credits it to your account monthly.
Q2: Is the APY variable?
A: Yes, Ally's rates may change based on market conditions. Check current rates before calculating.
Q3: Are there any fees?
A: Ally has no monthly maintenance fees, but other banks might. This calculator doesn't account for fees.
Q4: How accurate is this projection?
A: This assumes a constant rate, no additional deposits/withdrawals, and no tax implications.
Q5: Can I use this for CDs?
A: For Ally's CDs, you'd need to adjust for the term length and different compounding rules.