High Yield Money Market Investment Account

Grow your wealth, flexibly.

Maximize savings and liquidity

4.50% APY1

on a promotional High Yield Money Market Investment Account


Grow your wealth without sacrificing your financial flexibility, with a Comerica High Yield Money Market Investment Account (HYMMIA). It will give you highly competitive tiered interest rates. Get all this and a number of convenient features designed to keep your money accessible.

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 cycle2.

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
transfers2 from your Comerica
checking account

ATM Card
Debit or 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


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Savings Insights

1 To qualify for the promotional High Yield Money Market Investment Account (HYMMIA) rate offer the following requirements must be met:

a. Open a promotional HYMMIA with at least $15,000 in new money between 05/15/2023 – 11/30/2023.

b. Deposit a minimum of $15,000 in new money (money deposited within the last 30 days to a Comerica checking or savings account will qualify as long as it has not been previously held at Comerica Bank and is not part of a regularly recurring direct deposit).

c. A Comerica checking account relationship is required. Cannot be combined with any other offer or with any package account rate benefits.

This offer is subject to change or cancellation without notice at any time. Fees may reduce earnings. The promotional interest rate applies to balances of $15,000 or more and may change at any time. Interest is compounded and paid monthly. If at any time the daily balance in the account falls below $15,000, the standard interest rate will apply to the entire balance.

2 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 after 6 per month. These transaction types include: checks written by you which clear the account during the statement cycle; ATM or Debit 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.

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

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