Some Misconceptions in Derivative Pricing

25 Pages Posted: 30 Aug 2012

See all articles by Kuo-Ping Chang

Kuo-Ping Chang

Jinhe Center for Economic Research, Xi’an Jiaotong University; National Tsing Hua University

Date Written: September 1, 2012

Abstract

This paper has used the Arbitrage Theorem (Gordan Theorem) to clarify some misconceptions in the literature of derivative pricing. First, unlike the claim of the irrelevancy of the underlying asset’s (stock’s) expected return, it is found that the value of an option depends on the probability of the underlying asset (stock) rising or falling. Using the relationship between relative price ratio between the two states: and the probability of the up move, the paper also derives discrete-time versions of the Greeks. Second, since with no arbitrage, is a function of and, the Black-Scholes option pricing formula contains the underlying asset’s expected rate of return. Third, with a two-step contract, it has been shown that within a company, there is no first claim or seniority between bond and stock, but there is first claim among fixed-income assets (e.g., labor and bond), and labor is senior to bond.

Keywords: Arbitrage Theorem, irrelevancy of the underlying asset’s expected return, discrete-time versions of the Greeks, first claim between bond and stock

JEL Classification: G13, G32

Suggested Citation

Chang, Kuo-Ping, Some Misconceptions in Derivative Pricing (September 1, 2012). Available at SSRN: https://ssrn.com/abstract=2138357 or http://dx.doi.org/10.2139/ssrn.2138357

Kuo-Ping Chang (Contact Author)

Jinhe Center for Economic Research, Xi’an Jiaotong University ( email )

Xianning West Road, 28#
Xi'an, Shaanxi 300
China
+86 29 82668596 (Phone)

National Tsing Hua University ( email )

101, Section 2, Kuang-Fu Road
Hsinchu, 300
Taiwan

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