Complete stock option management application. Calculates the value of an option using the Black-Scholes formula. Returns options chains for an equity. Returns options chains for an equity. Returns a specific equity option. Returns the symbol for an equity option based on month, year and strike price. Returns a specific equity option. Returns a specific equity option. Returns a specific future option. Calculates the value of an option using the Black-Scholes formula. Returns options chains for an equity. Returns options chains for an equity. Returns a specific equity option. Returns the symbol for an equity option based on month, year and strike price. Returns a specific equity option. Returns a specific equity option. Returns a specific future option. Calculates the value of an option using the Black-Scholes formula. Returns options chains for an equity. Returns options chains for an equity. Returns a specific equity option. Returns the symbol for an equity option based on month, year and strike price. Returns a specific equity option. Returns a specific equity option. Returns a specific future option. Complete stock option management application.