VALUATION OF CALLABLE BONDS: THE SALOMON BROTHERS APPROACH Fernando Daniel Rubio Fernández VALUATION OF CALLABLE BONDS: THE SALOMON BROTHERS APPROACH FERNANDO RUBIO1 Director FERNCAPITAL S.A. and Invited Professor at the Graduated Business School Universidad de Valparaíso, Chile. Pasaje La Paz 1302, Viña del Mar, Chile. Phone (56) (32) 507507 EXTRACT This paper explain, analyze and apply in an example the original paper developed by Kopprasch, Boyce, Koenigsberg, Tatevossian, and Yampol (1987) from The Salomon Brothers Inc. Bond Portfolio Analysis Group. Please, be aware. This paper is for educational issues only. There is a Spanish version in EconWPA. JEL Classification: G10, G15, G21, G32. Keywords: Salomon Brothers, bond portfolio, duration and convexity, effective duration, valuation, callable and non callable bond. Originally developed January, 1999 Originally published October, 2004 This update July, 2005 1 This paper was made while I was assisting to the Doctoral Programme in Financial Economics, Universidad Autónoma de Madrid, Spain. Comments and suggestions will be appreciated. Please, send them by e-mail to
[email protected] [email protected] 1 VALUATION OF CALLABLE BONDS: THE SALOMON BROTHERS APPROACH Fernando Daniel Rubio Fernández VALUATION OF CALLABLE BONDS: THE SALOMON BROTHERS APPROACH By Professor Dr. © Fernando Rubio 1 DURATION AND CONVEXITY FOR NORMAL (NO CALLABLE) BONDS Bonds are fixed income investments that have a fixed interest rate or coupon, payable on the principal amount. All fixed income investments are evidence of indebtedness which represent a loan or debt between the issuer and the owner or holder of the security. The value of any bond is the present value of its expected cash flows.