The present invention introduces an apparatus and process which may be implemented on a vast variety of computer systems. The apparatus and process of the present invention use a computer system to receive and store data representative of a particular asset, a type of option (call or put), requested exercise price and a multitude of other variables related to the asset. The apparatus and process then generate data representative of an option premium. The data representative of the option may then be used for transacting an option, as the basis for determining a correlated expiring option premium, or to determine the premium of an asset relatable to a corresponding option.