Bounty

Cambridge Savings Bank Simple Checking for Students bonus: is $150 worth it?

What it adds over what your cash earns now, tier by tier. Change the rate to yours.

+$150: more than leaving it at 4.15%
With the bonus547500%
Leave it where it is4.15%

Yearly rate on $10 while it's there, bonus included.

The math

Compared with leaving $10 at 4.15%

Bonus
+$150
Interest while it's there
No interest assumed
$0
What it'd earn at home
$10 at 4.15% for 1 day
$0
Extra
+$150
Works out to 547500% a year on that cash, vs 4.15% at home.

Make 15 debit card purchases within 60 days · Enroll in eStatements within 2 months of opening · Deposit $10 in new money within 1 day. Terms checked Oct 10, 2026.

About this bonus

What it takes

  1. 1Make 15 debit card purchases within 60 days
  2. 2Enroll in eStatements within 2 months of opening
  3. 3Deposit $10 in new money within 1 day
Ends
Oct 31, 2026
Where
Massachusetts, New Hampshire
Monthly fee
None
Cash stays
About 1 day
Bonus paid
Usually within 60 days of finishing

Similar bonuses

The same kind of account, ranked by what each adds at 4.15%.

Questions

Is the Cambridge Savings Bank Simple Checking for Students bonus worth it?

At 4.15%, about what T-bills or a money market fund pay (as of Oct 12, 2026), the $10 tier adds +$150: the $150 bonus, minus the $0 that cash would have earned in 1 day. At a different rate the answer changes; the calculator on this page works it out for yours.

What are the requirements?

Make 15 debit card purchases within 60 days; enroll in eStatements within 2 months of opening; deposit $10 in new money within 1 day. Open to residents of Massachusetts, New Hampshire.

When does it end?

The offer ends Oct 31, 2026. The terms were last checked Oct 10, 2026.