Money Market Accounts

You can earn even higher rates while enjoying easy access to your money. Money market accounts have options like no maximum limit and are available for personal, IRA or business accounts. Make your savings work smarter!

money market accounts

Rates Effective December 20th, 2024

Accumulator Money Market

We’ve taken the great rates and protections of a money market account and made them even more accessible. Pair the Accumulator¹ with our GO Checking Account and start growing your savings today!

Balance APY*
$0.01 – $2,000.00 2.50%
$2,000.01 – $6,000.00 1.50%
$6,000.01 – $10,000.00 0.50%
> $10,000.00 0.05%
All Balances (default rate if account conditions are not met) 0.05%

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Jumbo Money Market

You can earn even higher rates while enjoying easy access to your money. Jumbo Accounts have no maximum limit and are available for personal, IRA or business accounts.

Balance APY*
$0.01 – $9,999.99 0.05%
$10,000.00 – $49,999.99 0.10%
$50,000.00 – $99,999.99 0.20%
>= $100,000.00 0.30%

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*APY = Annual Percentage Yield
1. The Accumulator Money Market Account is a split rate tiered account and will earn the stated APY only for the account balance within each tier. To earn the stated APYs, you must have a GO Checking, SUN Checking or EB Checking Account with a month end balance of at least $100. Failure to meet this requirement will cause the account to earn the “Default APY” of 0.05% across all tiers. (Please visit CharterOak.org or call 860.446.8085 for GO Checking, SUN Checking or EB Checking Account information.) Limit of one Accumulator Money Market Account per Social Security or Tax Identification Number. The Accumulator Money Market Account is a variable rate account and the rates can change at any time.