Irredeemable Convertible Unsecured Loan Stock
What Is an Irredeemable Convertible Unsecured Loan Stock (ICULS)? An irredeemable convertible unsecured loan stock (ICULS) is a hybrid security that has some qualities of a debt instrument and some characteristics of an equity warrant. Like a bond, an ICULS pays a fixed interest coupon to the holder semi-annually or annually at a predetermined rate.