Add training workflow, datasets, and runbook
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Looking at the right side of the chart, in late July, with IV at around 50
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percent and realized vol at around 35 percent, and without the benefit of
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knowing what the future will bring, it’s harder to make a call on how to
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trade the volatility. The IV signals that the market is pricing a higher future
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level of stock volatility into the options. If the market is right, gamma will
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be good to have. But is the price right? If realized volatility does indeed
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catch up to implied volatility—that is, if the lines converge at 50 or realized
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volatility rises above IV—a trader will have a good shot at covering theta.
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If it doesn’t, gamma will be very expensive in terms of theta, meaning it
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will be hard to cover the daily theta by scalping gamma intraday.
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The question is: why is IV so much higher than realized? If important
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news is expected to be released in the near future, it may be perfectly
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reasonable for the IV to be higher, even significantly higher, than the
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stock’s realized volatility. One big move in the stock can produce a nice
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profit, as long as theta doesn’t have time to work its mischief. But if there is
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no news in the pipeline, there may be some irrational exuberance—in the
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words of ex-Fed chairman Alan Greenspan—of option buyers rushing to
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acquire gamma that is overvalued in terms of theta.
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In fact, a lack of expectation of news could indicate a potential bearish
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volatility play: sell volatility with the intent of profiting from daily theta
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and a decline in IV. This type of play, however, is not for the fainthearted.
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No one can predict the future. But one thing you can be sure of with this
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