OptDrvr Excel Addin - Version 8.0 Provides the user with pricing models to evaluate options which are american or european, calls or puts with or without dividend details. The addin allows the user to obtain option fair values, deltas, gammas, vegas, thetas, rhos and implied volatilities. Option models include:- Black & Scholes Black & Scholes adjusted Binomial All models are accessed by the driver function OPTDRVR and the order of the parameters allows the user to switch between models by changing the model type parameter only. This allows users to compare the pricing models and provides an invaluable training aid for novices, whilst a powerful investment tool for the more experienced user. Spreadsheet template provided showing all the features of the addin together with whatif analysis and charting. The models are used by professional traders Requres Excel