A binomial model for pricing US-style average options with reset features. (2nd August 2010)

• Record Type: Journal Article
• Authors: Costabile, Massimo; Massabo, Ivar; Russo, Emilio
• Is Part Of: International journal of financial markets and derivatives. Volume 1:Number 3(2010)
• Page Start: 258
• Page End: 273
• Publication Date: 2010-08-02
• Subjects: financial derivatives -- reset options -- binomial algorithms -- CRR model -- pricing algorithms -- Cox-Ross-Rubinstein -- price valuation -- option values; Derivative securities -- Mathematical models -- Periodicals; Capital market -- Periodicals; 332.605
• Languages: English
• ISSNs: 1756-7130

Abstract

We develop a pricing algorithm for US-style period-average reset options written on an underlying asset which evolves in a Cox-Ross-Rubinstein (CRR) framework. The averaging feature of such an option on the reset period makes the price valuation problem computationally unfeasible because the arithmetic average is not recombining on a CRR tree. To overcome this obstacle, we associate to each node of the lattice belonging to the reset period a set of representative averages chosen among all the effective arithmetic averages attained at that node. On the remaining time to maturity, a US period-average reset option becomes a US standard one and the Barone Adesi-Whaley approximation is used to compute an option value in correspondence to each representative average lain at the end of the reset period.