Trading Options Greeks: How Time, Volatility, and Other Pricing Factors Drive Profits, 2nd Edition

CHAPTER 13

Delta-Neutral Trading

Trading Realized Volatility

So far, we’ve discussed many option strategies in which realized volatility is an important component of the trade. And while the management of these positions has been the focus of much of the discussion, the ultimate gain or loss for many of these strategies has been from movement in a single direction. For example, with a long call, the higher the stock rallies the better.

But increases or decreases in realized volatility do not necessarily have an exclusive relationship with direction. Recall that realized volatility is the annualized standard deviation of daily price movements. Take two similarly priced stocks that have had a net price change of zero over a one-month period. Stock ...