High Yield Money Market Investment Account

Grow your wealth, flexibly.

Maximize savings and liquidity

3.25% 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.

Visit a Banking Center

Rates & Fees

Rates

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Fees

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Savings Insights

1 Annual Percentage Yield (APY) available on new accounts opened between 03/15/2025 and 08/04/2025 on balances of $15,000.00 and greater. 0.03% APY applies to balances less than $15,000.00. The interest rate(s) and annual percentage yield(s) are variable and may change at any time. Opening deposit must include a minimum of $15,000.00 in new money.  New money includes funds not currently on deposit at Comerica Bank as well as funds that have been deposited within the last 30 days to a Comerica checking or savings account and not part of a regularly recurring direct deposit. Comerica checking account relationship required. Consumer accounts only. Fees may reduce earnings. Offer subject to change or cancellation without notice at any time. Cannot be combined with other offers or package account rate benefits.

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.