We’re Upgrading Your Card Management Experience

A new and improved Card Control app is coming on December 9th, giving you more control, convenience, and security over your StonehamBank debit card. An update is required for iOS users to access the new features.

If you need assistance or have any questions, our team is here to help—please call us at 888-402-2265. We’re happy to assist!
 
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Optimum Money Market

When you can save more, you can do more.

Optimum Money Market Features

  • Interest paid at the end of each month
  • Receive a monthly statement
  • Monthly maintenance fee1 of $5 is waived with a $2,500 average daily balance
  • $10 minimum balance to open and earn Annual Percentage Yield (APY)
  • Access your money at any time2

1 For a full explanation of our fees, please refer to our Fee Schedule.

2 Transaction Limitations: You will be permitted to make no more than 6 combined pre-authorized, automatic, check or telephone transfers per statement cycle from your Money Market account to another account or third party. If you exceed these restrictions, we may assess an excess fee.


Optimum Money Market Rates

Effective as of 11/24/2025

BalanceInterest RateAnnual Percentage Yield (APY)
$0-$9.990.00%0.00%
$10.00-$24,999.990.05%0.05%
$25,000.00-$99,999.990.10%0.10%
$100,000.00-$249,999.990.15%0.15%
$250,000.00 and above0.20%0.20%

APY = Annual Percentage Yield

Fees may reduce earnings. Minimum balance to open and earn APY is $10.00. Interest compounded and credited monthly. Variable rate may change after account is opened. Certain other restrictions may apply. Monthly maintenance fee of $5 is waived with a $2,500 average daily balance.

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Optimum Money Market

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Our Additional Savings Accounts

Optimum Savings | Plus One Money Market| CD |IRA 

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