*Annual Percentage Yield as of 08/18/2008. Minimum balance to open is $1,000. Penalty for early withdrawal. Personal accounts only. Not available for IRAs. Each depositor insured to at least $100,000. To be eligible for this rate, you must have or open a CommerceOptionsSMPlus or CommerceOptionsSMPremium checking account; otherwise the APY will be 3.15%. Coupon cannot be used in conjunction with any other offer. Maximum deposit limit $500,000 per customer.