. "zero-coupon security"^^ . . . . "zero coupon security"@en-us . . "a security that makes no interest payments but instead is sold at a deep discount from its face value"@en-us . "zero-coupon security"@en-us . . "109665720"@en-us . "113418823"^^ . "0.25"^^ . . "13418823-n"^^ . "0"^^ . . "112659509"@en-us . . . .