High Yield Money Market Investment Account

Grow your wealth, flexibly.

The more you save, the higher your rate

Grow your wealth without sacrificing your financial flexibility, with a Comerica High Yield Money Market Investment Account (HY MMIA). It will give you highly competitive tiered interest rates, so the larger the balance you maintain, the higher your rate will be. Get all this and a number of convenient features designed to keep your money accessible.

Earn higher interest rates on higher balances

Interest rates increase with balances – so the larger the balance you maintain, the higher your rate will be.

Tools to easily manage your money

Direct deposit options and automatic transfers to Comerica checking accounts, plus the ability to write up to six checks per statement cycle¹.

Convenient web & mobile banking

View and download statements, check balances, deposit checks and more – anywhere you go – with Comerica Web Banking®.

Access to Comerica advisors

Let our advisors help maximize your savings with a financial plan tailored specifically to your goals.

Features and services to help you reach your goals

Online Banking
Online Banking

Conveniently control all your accounts

Mobile Banking
Mobile Banking

Check balances, deposit checks and more – right from your phone

Automatic Transfers
Automatic Transfers

Save more with automatic
transfers¹ from your Comerica
checking account

ATM Card
ATM Card

Including fraud detection tools and 24/7 ATM access

Get started

If you want to apply for this account, please visit a Comerica banking center.

Rates & Fees


Please enter a 5-digit zip code above


Please enter a 5-digit zip code above

Savings Insights

1 The number of certain types of withdrawals from Money Market Accounts in a statement cycle is limited, see the Comerica Business and Personal Deposit Account Contract for details. Money Market Investment Account and HYMMIA withdrawal fees apply to excessive withdrawals, transfers or debit transactions. These transaction types include: checks written by you which clear the account during the statement cycle; ATM or Check Card purchases,withdrawals and transfers; telephone/IVR transfers; check printing fees; Web Banking transfers and payments; ACH debits and any other electronic withdrawals the account holder authorizes.

2 Ledger Balance is the balance in your account that reflects posted transactions, which include deposits, credits, withdrawals and other debits.

3 For combined statement, “month” is based on statement cycle date.