Compound Interest Calculator
CD 4-year Account from PEN AIR with 3.95% APY and $500 minimum deposit



Use or Change These Amounts and Rates

The product CD 4-year Account from PEN AIR with 3.95% APY and $500 minimum deposit and a tax rate of 30 compounded annually, with an initial amount of $20,000, after 10 years would have grown your savings to approximately $29,463. The interest earned would be $9,463 and the tax amount on the interest earned would be approximately $2,839.

Please note that this analysis assumes a constant interest rate and doesn't take into account any fees associated with the savings account.

The Results for PEN AIR

Savings Boost of
$5,439 over 10 years
Cash Savings $20,000
Average Interest Earned $1,185

 
PEN AIR Interest Earned $6,624

 

 

See comparison detail table

This analysis is for demonstrative purposes only and may change should certain assumptions prove incorrect. Savings rates may change and CD rates may not be renewable for the length of the term of the analysis. The difference between the bank rate entered and the average rate may not remain constant throughout the term.

Comparison Detail Table Close X

Average Rate Scenario

Rate:
0.82%
Annual
Interest
Annual Interest
(After Tax)
1 20,000 163 114
2 20,163 165 115
3 20,328 166 116
4 20,494 167 117
5 20,661 169 118
6 20,829 170 119
7 20,999 171 120
8 21,171 173 121
9 21,344 174 122
10 21,518 176 123
TOTAL: $1,693 $1,185

PEN AIR Scenario

Rate:
3.95%
Annual
Interest
Annual Interest
(After Tax)
1 20,000 790 553
2 20,790 821 575
3 21,611 854 598
4 22,465 887 621
5 23,352 922 646
6 24,275 959 671
7 25,233 997 698
8 26,230 1,036 725
9 27,266 1,077 754
10 28,343 1,120 784
TOTAL: $9,463 $6,624

Take Action

The accounts below offer some of the best rates in the country can be opened online, and are available nationally. As the calculator shows, changing accounts to earn a higher interest rate can really add up over time.


Recent Rate Changes



Date APY
September 18, 2025 3.95%
February 10, 2025 2.75%
January 20, 2025 2.85%
September 13, 2024 2.75%
August 31, 2024 2.70%
August 2, 2024 2.90%
April 24, 2024 3.05%
March 5, 2024 2.95%
August 20, 2023 2.70%


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