Argonne Credit Union

Accounts & Services

Accounts & Services

Prime Shares/Savings Account


Our Prime Shares/Savings Account establishes an individual's membership/ownership in the credit union and represents the par value of a share. As long as ACU members maintain the minimum balance in their share account, they are members for life, regardless of where they live or work.

Minimum Balance/Opening Amount $5
Monthly Service Charge None
Early Closure Fee $15
For accounts closed within the first six months
Check Cashing Fee None
Teller Checks A withdrawal by check may be made three times a month per account. Check amount must be > $100
Electronic Access Members with checking accounts can access prime shares at ATM's with a VISA Check Card
Dividend Rates .35% APY
Dividends are compounded and paid monthly based on the average daily balance. The dividend rate and APY may change every dividend period as determined by the Board of Directors.

If your account is closed before dividends are paid, you will not receive the accrued dividends. To avoid a loss of dividends, please keep your account open with the minimum balance until the first business day of the following month.
Direct Deposit Electronically deposit your checks.
Statements Issued Quarterly by If you have a checking account or electronic transactions post to your prime shares, monthly statements are provided.
ASI Insured Funds are insured up to $250,000 per account. By member choice, this institution is not federally insured. Click here for more information regarding ASI.

APY = Annual Percentage Yield



Request a New Membership Packet today, e-mail memberservices@argonnecu.org or call (815) 267-7700 or (866) 469-6228.
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