Compound Interest Calculator
CD 3-year Account from Amerant Bank, National Association with 3.15% APY and $500 minimum deposit



Use or Change These Amounts and Rates

The product CD 3-year Account from Amerant Bank, National Association with 3.15% 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 $27,272. The interest earned would be $7,272 and the tax amount on the interest earned would be approximately $2,182.

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 Amerant Bank, National Association

Savings Boost of
$4,000 over 10 years
Cash Savings $20,000
Average Interest Earned $1,091

 
Amerant Bank, National Association Interest Earned $5,091

 

 

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:
0.75%
Annual
Interest
Annual Interest
(After Tax)
1 20,000 151 105
2 20,151 152 106
3 20,302 153 107
4 20,455 154 108
5 20,609 155 109
6 20,764 156 109
7 20,921 158 110
8 21,078 159 111
9 21,237 160 112
10 21,397 161 113
TOTAL: $1,558 $1,091

Amerant Bank, National Association Scenario

Rate:
3.15%
Annual
Interest
Annual Interest
(After Tax)
1 20,000 630 441
2 20,630 650 455
3 21,280 670 469
4 21,950 691 484
5 22,642 713 499
6 23,355 736 515
7 24,090 759 531
8 24,849 783 548
9 25,632 807 565
10 26,439 833 583
TOTAL: $7,272 $5,091

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
December 12, 2025 3.15%
November 3, 2025 3.25%
September 18, 2025 3.40%
November 18, 2024 3.75%
August 31, 2024 4.00%
August 7, 2024 4.75%
April 23, 2024 4.00%
August 19, 2023 2.75%
August 18, 2023 2.75%


Featured CD Rates

ONLINE BANKS APY? MIN?

Last change: ↑0.20% on December 7.
Early Withdrawal Penalty is 6 months interest.

Last change: ↑0.15% on December 22.

Last change: ↑0.20% on December 7.

Last change: ↑0.10% on November 3.
Early Withdrawal Penalty is 90 days interest.



Customer Reviews for Amerant Bank, Formerly Mercantil Bank


  • August 30, 2023

    CDs 12 Month Rates

    Try to open account on line make you use PLAID to xfer money PLAID doesn't connect with many banks, Cannot do over phone. Discover, Penfed all ok this bank is useless.

    I had acct before still bad. Stay away.

  • January 14, 2021

    Amerant bank in next to impossible to get a hold of. I have called 5 or 6 times in a day and never been able to get someone to answer the phone. Seriously regretting doing business with them......uggh. I wish I could go back in time and go with someone else.


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