Add training workflow, datasets, and runbook
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194 Part II: Call Option Strategies
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above 60 for the maximum loss to occur. Even if the stock is at 40 or 60, there is some
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time premium left in the longer-term option, and the loss is not quite as large as the
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maximum possible loss of $300.
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This type of calendar spread has limited profits and relatively large commission
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costs. It is generally best to establish such a spread 8 to 12 weeks before the near
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term option expires. If this is done, one is capitalizing on the maximum rate of decay
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of the near-term option with respect to the longer-term option. That is, when a call
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has less than 8 weeks of life, the rate of decay of its time value premium increases
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substantially with respect to the longer-term options on the same stock.
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THE EFFECT OF VOLATILITY
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The implied volatility of the options (and hence the actual volatility of the underly
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ing stock) will have an effect on the calendar spread. As volatility increases, the
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spread widens; as volatility contracts, the spread shrinks. This is important to know.
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In effect, buying a calendar spread is an antivolatility strategy: One wants the under
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lying to remain somewhat unchanged. Sometimes, calendar spreads look especially
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attractive when the underlying stock is volatile. However, this can be misleading for
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two reasons. First of all, since the stock is volatile, there is a greater chance that it will
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move outside of the profit area. Second, if the stock does stabilize and trades in a
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range near the striking price, the spread will lose value because of the decrease in
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volatility. That loss may be greater than the gain from time decay!
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FOLLOW-UP ACTION
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Ideally, the spreader would like to have the stock be just below the striking price
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when the near-term call expires. If this happens, he can close the spread with only
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one commission cost, that of selling out the long call. If the calls are in-the-money at
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the expiration date, he will, of course, have to pay two commissions to close the
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spread. As with all spread positions, the order to close the spread should be placed
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as a single order. "Legging" out of a spread is highly risky and is not recommended.
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Prior to expiration, the spreader should close the spread if the near-term short
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call is trading at parity. He does this to avoid assignment. Being called out of spread
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position is devastating from the viewpoint of the stock commissions involved for the
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public customer. The near-term call would not normally be trading at parity until
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quite close to the last day of trading, unless the stock has undergone a substantial rise
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in price.
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In the case of an early downside breakout by the underlying stock, the spread
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er has several choices. He could immediately close the spread and take a small loss
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