The valuation of warrants in Thailand : using the black-scholes model
The valuation of warrants in Thailand : using the black-scholes model
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2007
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Assumption University
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eng
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Assumption University. Martin de Tours School of Management and Economics
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AU Journal of Management 5, 2 (July-December 2007), 44-55
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Abstract
The study aims to examine the appropriate pricing model for valuating wa"ants traded on the
Stock Exchange of Thailand. The Black-Scholes model and its extensions are examined with historical
and GARCH volatilities by using the out-of-sample data. The relationships between pricing errors and
model variables are also analyzed. Findings suggest that the dilution adjusted Black--Scholes model
with historical volatility is the most suitable model to predict the wa"ant prices and most pricing
models tend to overprice in-the-money wa"ants and overprice wammts when high volatility or high
interest rate is anticipated. In addition, the dividend and dilution somewhat create pricing biases.
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In English ; only abstract in English.
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