## Comment on How to use the option calculator?

Not exactly Kartik,Lambda( *)is defined as the expected percentage change in the value of an option for a given percentage change in the value of the underlying spot price.That is * =[(C1-C0)/C0]/[(S1-S0)/S0] where as C0 and S0 are the option price and the strike price at starting point and C1 is the new option price when the stock price moves from S0 to S1