Join the ranks of the most successful option traders by mastering the key concept affecting option pricing - volatility. The world's most acclaimed volatility expert and "Trader's Hall of Fame" award winner Sheldon Natenberg provides a powerful, non-technical, step-by-step workshop for understanding why and how volatility plays such a critical role in options trading. Discover the strengths and weaknesses of using option models. Learn the vital part probability plays in estimating option prices. Discern the difference between historical volatility, future volatility and implied volatility - and the function of each. Develop insight into why the perception of volatility is a more influential factor than actual market direction in option pricing. Become acquainted with the steps needed to analyze and trade options the way the pros do - by mastering key volatility techniques. With a complete online support manual, this comprehensive presentation the perfect companion to Natenberg's bestselling book Option, Volatility and Pricing - or a great stand-alone primer for mastering this important trading principle.