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Model[Forward_Start_Option]

"Model[Forward Start Option]" is a special type of Model that represents all modelling assumptions needed in valuation algorithms concerning objects of type Forward Start Option.
The pricing succeeds by any of 8 different methods listed in
Forward Start Option Pricing Methods

The following quantities may be also calculated and reported along the price.
Gamma
Refers to the output of QuantLib's gamma function.
Price
The output refers to the price of the referenced tradable contract.
Rho
Refers to the output of QuantLib's rho function.
Theta
Refers to the output of QuantLib's theta function.
Vega
Refers to the output of QuantLib's vega function.