Earn up to 12x the national average2


Limited-time offer

Limited-time offer



Benefits of a Platinum Money Market account


A winning rate

Our special money market interest rate isn’t just better — it’s up to 12x the national average.2

Peace of mind

Your money is FDIC-insured up to the maximum allowed and backed by a 200-year-old bank.

Dedicated service

We can help you grow your savings and reach your goals — and we’re happy to chat.

Is a Money Market right for you?


A Money Market account can help boost your savings — while giving you day-to-day flexibility.3


  • Access your funds at any time through checks, online banking and ATMs.3
  • Easily grow your savings with automatic redeposit of earned interest


More about Money Markets
Happy elderly couple.

Let’s grow your savings today


Talk to us about our limited-time Money Market special offer.1


Find a branch Give us a call at 1-888-340-2265


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Explore your savings options


Looking for a low-risk way to grow your money? You might want to check out a Certificate of Deposit. Feel secure about your savings with a guaranteed interest rate over a set term.



  1. Available for a new Platinum Money Market account opened at a BMO Harris branch or by calling 1-888-340-2265 between August 6, 2018 and October 31, 2018 with a minimum $25,000 deposit of funds not currently on deposit at BMO Harris Bank N.A. or its affiliates and earn the guaranteed rate through October 1, 2019. BMO Harris will raise the rate on your Rising Rate Money Market Special at least one time during the duration of the rate guarantee. Account balance must stay between $25,000-$999,999.99 to earn at least 1.75% Annual Percentage Yield (APY). The standard APY will apply when the balance is below $25,000 or is $1,000,000 or more. Standard APYs will apply after October 1, 2019. Limit one promo account per customer. Offer is subject to change without notice and cannot be combined with any other offer. BMO Harris reserves the right to amend or cancel this offer at any time.

    Platinum Money Market is a variable rate account and the minimum deposit needed to open the account is $25 although to obtain the offer, you must open the account with at least $25,000 as indicated above. Interest rates and APYs may change at any time without notice. At any time, interest rates and APYs offered within two or more consecutive tiers may be the same. When this is the case, multiple tiers will be shown as a single tier. The following collected balance tiers and corresponding APYs are effective as of July 27, 2018 and are subject to change at our discretion at any time: 0.05% for balances less than $10,000; 0.30% for balances between $10,000 and $24,999.99; 0.50% for balances between $25,000 and $49,999.99; 0.65% for balances between $50,000 and $99,999.99; 0.80% for balances between $100,000 and $249,999.99 and 1.00% for balances of $250,000 or more. Interest is compounded daily and paid monthly. Fees or withdrawals may reduce earnings. For current rate information, call 1-888-340-2265.
  2. National average Annual Percentage Yield (APY) is calculated by the Federal Deposit Insurance Corporation and is accurate as of July 23, 2018.
  3. Deposits of any amount are allowed at any time. Withdrawals or transfers from money market accounts are unlimited when made in person at BMO Harris, at an ATM, by messenger, or by a request by mail or speaking to a telephone representative to have a check made payable to you. We limit all other withdrawals or transfers, including those made by check, POS transactions, ACH, wire, automated telephone banking and online banking, and including transfers to repay BMO Harris loans, to a combined total of six per month or monthly statement period.

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