Bounty
Worth it?

Bank of Colorado Diamond Secure Checking bonus: is $500 worth it?

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

+$500: more than leaving it at 4.15%
With the bonus182500%
Leave it where it is4.15%

Yearly rate on $100 while it's there, bonus included.

The math

Compared with leaving $100 at 4.15%

Bonus
+$500
Interest while it's there
No interest assumed
$0
What it'd earn at home
$100 at 4.15% for 1 day
$0
Extra
+$500
Works out to 182500% a year on that cash, vs 4.15% at home.

Get $5,000 in direct deposits within 90 days · Deposit $100 in new money within 1 day. Terms checked Oct 9, 2026.

See every bonus ranked like this for you

About this bonus

What it takes

  1. 1Get $5,000 in direct deposits within 90 days
  2. 2Deposit $100 in new money within 1 day
Ends
Nov 30, 2026
Where
Colorado
Monthly fee
None
Closing early
$75 within 90 days
Cash stays
About 1 day
Bonus paid
Usually within 90 days of finishing
Terms checked Oct 9, 2026The bank's offer pageFound via Doctor of Credit

Similar bonuses

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

Questions

Is the Bank of Colorado Diamond Secure Checking bonus worth it?

At 4.15%, about what T-bills or a money market fund pay (as of Oct 12, 2026), the $100 tier adds +$500: the $500 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?

Get $5,000 in direct deposits within 90 days; deposit $100 in new money within 1 day. Open to residents of Colorado.

When does it end?

The offer ends Nov 30, 2026. The terms were last checked Oct 9, 2026.