Compound Interest Calculator
CD 18-month Account from Vio Bank, A Division of MidFirst Bank with 3.70% APY and $500 minimum deposit



Use or Change These Amounts and Rates

The product CD 18-month Account from Vio Bank, A Division of MidFirst Bank with 3.70% 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 $28,762. The interest earned would be $8,762 and the tax amount on the interest earned would be approximately $2,629.

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 Vio Bank, A Division of MidFirst Bank

Savings Boost of
$5,815 over 10 years
Cash Savings $20,000
Average Interest Earned $318

 
Vio Bank, A Division of MidFirst Bank Interest Earned $6,133

 

 

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:
0.23%
Annual
Interest
Annual Interest
(After Tax)
1 20,000 45 32
2 20,045 45 32
3 20,090 45 32
4 20,135 45 32
5 20,181 45 32
6 20,226 46 32
7 20,272 46 32
8 20,317 46 32
9 20,363 46 32
10 20,409 46 32
TOTAL: $455 $318

Vio Bank, A Division of MidFirst Bank Scenario

Rate:
3.70%
Annual
Interest
Annual Interest
(After Tax)
1 20,000 740 518
2 20,740 767 537
3 21,507 796 557
4 22,303 825 578
5 23,128 856 599
6 23,984 887 621
7 24,872 920 644
8 25,792 954 668
9 26,746 990 693
10 27,736 1,026 718
TOTAL: $8,762 $6,133

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
November 10, 2025 3.70%
April 27, 2025 3.80%
March 11, 2025 3.95%
March 11, 2025 4.00%
October 16, 2024 3.95%
August 7, 2024 4.00%
December 22, 2023 4.25%
August 30, 2023 4.75%
August 20, 2023 4.75%


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 Vio Bank, A Division of MidFirst Bank


  • September 4, 2025 |

    And I discovered that they play bait and switch and have no problems lying. This system won't let me give it zero or negative stars so I have given it one, but that is at least one too many.

  • December 21, 2023 |

    Very easy to setup 6 month 5.35% CD from cornerstone account

  • August 8, 2023 |

    I applied for an savings account online with this particular financial institution and was, ultimately, denied without a reason or explanation of why. It refused to release the reason(s) for denying the account application. I would NOT recommend this particular financial institution for any type of financial products or services.S

  • June 10, 2023 |

    helpful folks but not a frictionless process like Marcus or Ally.

  • May 22, 2023 |

    Transfers and external accounts all set up in three days.


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