With the advent of games of chance human greed promoted studies of risks and probabilities, which more and more accurately reflected real-life events.

In the clause the approved pricing models of real options put into practice are considered. Real options act in a role of financial tools of efficient control of corporate business. Real options allow to solve and prove questions of investment appeal of projects of any sphere of action.

The value of having the choice of strategic options may be obtained only if the appropriate option is being executed, otherwise all options are worthless.