A standard option contract

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Description

At maturity, the call option holder will "exercise", i.e. choose stock, with value S, if the stock price is above the strike K, paying K to the option issuer, realizing value S-K. The put option holder will exercise, receiving K while surrendering stock worth S, if the stock price is below K.

Details

Therefore the value at maturity is equal to max(0,callput*(S-K))

Methods

optionality_fcn(v, ...)

Return a version of v at time t corrected for any optionality conditions.

recovery_fcn(v, S, t, ...)

Return recovery value, given non-default values v at time t. Subclasses may be more elaborate, this method simply returns 0.0.

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