4.25
%
APY*
Limited Time Offer*
4.55
%
APY*
Online Savings That Help You Earn More
Vio Bank is the online banking division of MidFirst Bank, providing high-yield savings accounts, money market savings and certificates of deposit (CDs) with consistently competitive rates nationwide. All deposits are FDIC-insured through MidFirst Bank.
Great Rates. Easy. Secure.
Discover the benefits of banking with Vio Bank.
Your deposits are insured up to $250,000.
Manage your account from anywhere at any time with Online and Mobile Banking.
Apply for your account in just a few minutes.
Access your money whenever you need it.
Our team is here to assist you with any questions.
Enjoy competitive interest rates and watch your savings grow.
CDs vs. Liquid Savings Accounts
Discover the key differences between these accounts and find out which one aligns with your financial strategy.
Strong. Stable. Private.
Your money is safe with Vio Bank, a division of MidFirst Bank, the largest privately owned bank in the nation.
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Ready to Get Started?
Open an account with Vio Bank today.
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“Your customer service is consistently professional, efficient and friendly. Thank you!”
Vio Bank customer
“I have been with Vio for several years, the high interest rate makes it easy to save money without a lot of risk.”
Vio Bank customer
“Thank you for making saving easy and profitable!”
Vio Bank customer
*Rates and Annual Percentage Yields (APY) are subject to change without notice and are effective as of 11/09/2026. No brokered or institutional deposits. Fees may reduce earnings on the account. See your account agreement and fee schedule for more details.
Online Savings Promotional Rate Offer: APY = Annual Percentage Yield. The promotional rate offer is valid for new Online Savings accounts opened from 10/27/2026 through 1/31/2027. Promotional APY of 4.25% is guaranteed for 3 months from date of account opening on all balances in the new account. Promotional APY will be applied to new Online Savings accounts within 10 days of account opening and is effective as of the date of account opening. All balances will earn the standard rate until the promotional rate is applied. After the 3-month promotional rate period, all accounts opened during the promotional period will earn the standard rate in effect at that time. Accounts that do not meet the promotion requirements will earn the standard rate. As of 11/13/2026, the APY for the standard rate is 4.06%. Promotional rate offer is subject to change without notice and is not valid with other promotional offers. Offer valid for new Online Savings accounts only. Existing Online Savings accounts do not qualify for the promotional rate offer. Accounts require $100 minimum deposit to open. Interest rates are variable and subject to change after promotional period. Fees may reduce earnings.
Savings and Money Market Savings Accounts: Minimum $100 deposit to open. There is a $5 monthly fee if you receive paper statements.
CD Accounts: Minimum $500 deposit to open. Penalty may be imposed for early CD withdrawal. See the CD Terms and Conditions for more details.