The piece of paper you get when you buy a bond has an interest rate attached to it – say it says 8%. That 8% is the coupon of the bond. The coupon is not coincidentally named like the things you clip from cereal boxes for 28 cents off your next load of ultra-mega super high fiber bran cereal. The coupon on the bond acts analogously – and in fact in the olden days of your grandparents, bonds commonly came with paper coupons, which were clipped with a pair of sharp scissors and mailed snail m...
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