Add training workflow, datasets, and runbook
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Short-Strangle Example
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Let’s revisit John, a Federal XYZ (XYZ) trader. XYZ is at $104.75 in this
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example, with an implied volatility of 26 percent and a stock volatility of
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22. Both implied and realized volatility are higher than has been typical
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during the past twelve months. John wants to sell volatility. In this example,
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he believes the stock price will remain in a fairly tight range, causing
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realized volatility to revert to its normal level, in this case between 15 and
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20 percent.
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He does everything possible to ensure success. This includes scanning the
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news headlines on XYZ and its financials for a reason not to sell volatility.
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Playing devil’s advocate with oneself can uncover unforeseen yet valid
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reasons to avoid making bad trades. John also notes the recent price range,
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which has been between $111.71 and $102.05 over the past month. Once
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John commits to an outlook on the stock, he wants to set himself up for
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maximum gain if he’s right and, for that matter, to maximize his chances of
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being right. In this case, he decides to sell a strangle to give himself as
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much margin for error as possible. He sells 10 three-week 100–110
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strangles at 1.80.
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Exhibit 15.11 compares the greeks of this strangle with those of the 105
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straddle.
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EXHIBIT 15.11 Short straddle vs. short strangle.
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As expected, the strangle’s greeks are comparable to the straddle’s but of
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less magnitude. If John’s intention were to capture a drop in IV, he’d be
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