The SIU Credit Union is a personal line of credit from SIU Credit Union. The ongoing APR is As low as 18.00% APR. Typical credit limit: $500-$1,000. An Overdraft Protection Loan provides members with an economical option when times get tough. Sometimes life happens and unexpected expenses can put a drain on your accounts. This easy-to-set-up alternative can prevent overdraft fees from piling up. An