ABS See asset-backed security.
Accrued coupon See accrued interest.
Accrued interest The proportion of a bond’s coupon which has been accrued, or ‘earned but not yet paid’, since the last coupon payment.
American option An option where the holder can choose to exercise at any time between the purchase of the option and expiry. See European option.
Amount of discount For those discount instruments traded on the basis of a discount rate, such as a US Treasury bill, the amount subtracted from the instrument’s face value to arrive at the consideration paid for it.
Annuity (Or annuity certain.) A regular stream of future cash receipts which can be purchased by an initial cash payment, or a regular stream of cash payments to repay ...