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Determine American call option prices or sensitivities using Roll-Geske-Whaley option pricing model. All sensitivities are evaluated by computing a discrete approximation of the partial derivative. This means that the option is revalued with a fractional change for each relevant parameter, and the change in the option value divided by the increment, is the approximated sensitivity value. This example shows how to compute American call option prices and sensitivities using the Roll-Geske-Whaley option pricing model.
Using this data, calculate the price and the value of delta and gamma of the American call using the Roll-Geske-Whaley option pricing model. Interest-rate term structure annualized and continuously compounded , specified by the RateSpec obtained from intenvset.
For information on the interest-rate specification, see intenvset. Stock specification for the underlying asset. For information on the stock specification, see stockspec.
For example, for physical commodities the price is StockSpec. Asset , the volatility is StockSpec. Sigma , and the convenience yield is StockSpec. Settlement or trade date, specified as serial date number or date character vector using a NINST -by- 1 vector.
Maturity date for option, specified as serial date number or date character vector using a NINST -by- 1 vector. Definition of the option as 'call' or 'put' , specified as a NINST -by- 1 cell array of character vectors with values 'call' or 'put'.
Specify optional comma-separated pairs of Name,Value arguments. Name is the argument name and Value is the corresponding value. Name must appear inside single quotes ' '. You can specify several name and value pair arguments in any order as Name1,Value1, This is the same as specifying OutSpec to include each sensitivity:. Choose your country to get translated content where available and see local events and offers. Based on your location, we recommend that you select: Trial Software Product Updates.
This is machine translation Translated by. Note optstocksensbyrgw computes prices of American calls with a single cash dividend using the Roll-Geske-Whaley option pricing model. Input Arguments collapse all RateSpec — Interest-rate term structure structure. StockSpec — Stock specification for underlying asset structure.
Settle — Settlement or trade date serial date number date character vector. Maturity — Maturity date for option serial date number date character vector. OptSpec — Definition of option cell array of character vectors with values 'call' or 'put'. Strike — Option strike price value nonnegative vector. This is the same as specifying OutSpec to include each sensitivity: Output Arguments collapse all PriceSens — Expected future prices or sensitivities values vector.
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