Money Market Bonus Offer | Cambridge Savings Bank

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Supercharge Your Savings

Earn $400¹ with a new Relationship High-Yield Money Market.

Open a new Relationship High-Yield Money Market and earn a $400¹ bonus while your money grows at a competitive rate.

Earn

$400¹

The Relationship High-Yield Money Market gives you flexible access to your funds while earning a competitive, tiered APY on your balance. Open with as little as $1.

Earn a tiered Annual Percentage Yield (APY) on your balance.
Access your funds anytime
Open a Performance Plus Checking account and boost your rate!⁶

Open Money Market Account View current Relationship High-Yield Money Market rates

— you must not currently have, or have had, a CSB personal savings or money market account in the last 12 months.

for the first 3 full calendar months following the date the new account is opened and funded.

A Bank Worth Switching To

Always You^®

Every decision. For nearly 200 years — and for whatever chapter comes next.

Swipe. Tap. Deposit. Transfer. Pay a bill from the couch. Check your balance at midnight. And when you need more than a screen — a real person who knows your name and your neighborhood.

You can add a Relationship High-Yield Money Market in minutes through your existing online banking or mobile app, or at a branch near you.

We've served Greater Boston and New England for nearly 200 years. We're not a national chain — we're your neighbors. What matters to you matters to us.

When you call, you talk to a person. When you visit a branch, you're more than an account number. It's why people switch to CSB.

Personal Money Market Bonus Offer Disclosure

¹$400 RELATIONSHIP HIGH-YIELD MONEY MARKET BONUS—To qualify for this bonus:

• Open a new Relationship High-Yield Money Market account during the promotional period (May 1, 2026, through September 30, 2026) with a minimum opening deposit of $1 ($100 for Retirement Accounts). You must not currently have a CSB personal savings or money market account or have had one in the last 12 months.

• Maintain a minimum average monthly balance of $25,000 for the first 3 full calendar months following the date the new account is opened and funded.

• The deposit(s) used to qualify for the bonus must be new money, not currently on deposit with CSB.

Payout: The one-time $400 bonus will be credited within 2 months of the end of the qualification period. For example, if the account is opened and funded in May, the qualifying months are June, July, and August, and the bonus will be paid by October 31.

Additional Information: Retirement accounts cannot be opened online. This is a variable rate tiered account, and rates may change after the account is opened. Fees may reduce earnings. Interest is not paid on account balances below $10. All bonuses will be reported to the IRS as interest. We may limit the number of preauthorized, automatic, telephone, facsimile, and computerized transfers from statement savings accounts and money market accounts to other accounts of yours or to third parties to six per calendar month. For more information, please refer to CSB Understanding Your Deposit Account for Personal Accounts Handbook, RHYMM Disclosure, and Personal Account Fee Schedule for full account details.

• Accounts must be open and in good standing throughout the qualification period and at the time of bonus payout.

• Offer may be withdrawn or modified at any time without notice.

• Offer current at the time of account opening will be honored. Other restrictions may apply.

• You must live or work in Massachusetts or New Hampshire. If you live or work in Maine, please visit a branch or call us.

Rates are accurate as of 7/1/2026.
Minimum Balance to Earn Annual Percentage Yield (APY)
•    $10 - $9,999.99: 1.24% Interest Rate, 1.25% APY
•    $10,000 - $49,999.99: 1.48% Interest Rate, 1.50% APY
•    $50,000 - $249,999.99: 1.93% Interest Rate, 1.95% APY
•    $250,000 - $999,999.99: 2.42% Interest Rate, 2.45% APY
•   ≥ $1,000,000: 2.71% Interest Rate, 2.75% APY
Unlock bonus rate with a Performance Plus Checking Account. See RHYMM disclosure for additional details and rates.

Performance, Performance Plus Checking:

²Please note when traveling abroad you must submit all ATM receipts for refunds.

Performance Checking:

³Waive with $1,000 average monthly balance OR $2,500 in combined average monthly checking, savings, money market, CD, and IRA balances.

Peformance Plus Checking

⁴Waive with $10,000 in combined average monthly checking, savings, money market, CD, IRA, and consumer loan balances (Excluding mortgage balances)

⁵The Annual Percentage Yield (APY) and Interest Rate is 0.10%, accurate as of 7/1/2026. $10 minimum daily balance required to earn APY. This is a variable rate account and rates may change after account is opened. Fees may reduce earnings.

⁶Eligible for bonus rate on Relationship High-Yield Money Market Account. Click to view current rates.

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