As a potential jumbo CD depositor, under what circumstances would you prefer a variable rate CD over

Question:

As a potential jumbo CD depositor, under what circumstances would you prefer a variable rate CD over a fixed rate CD? Under what circumstances would you prefer a zero CD over a variable rate CD?
Coupon
A coupon or coupon payment is the annual interest rate paid on a bond, expressed as a percentage of the face value and paid from issue date until maturity. Coupons are usually referred to in terms of the coupon rate (the sum of coupons paid in a...