Add training workflow, datasets, and runbook
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Appendix A: Choose Your Battles Wisely • 281
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generally the volumes are light because the people in the option
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markets generally are not willing to wait longer than 60 days for
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their “investment” to work out. Because the time to expiration for
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most option contracts is so short, the difference between the BSM’s
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expected price based on a 5 percent risk-free rate and an expected
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price based on a 10 percent equity return is small, so no one real-
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izes that it’s there (as seen on the first diagram).
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2. The market makers are generally able to hedge out what little ex-
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posure they have to the price appreciation of LEAPS. They don’t
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care about the price of the underlying security, only about the size
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of the bid-ask spread, and they always price the bid-ask spread on
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LEAPS in as advantageous a way as they can. Also, the career of an
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equity option trader on the desk of a broker-dealer can change a
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great deal in a single year. As discussed in Part II, market makers
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are not incentivized in such a way that they would ever care what
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happened over the life of a LEAPS.
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Congratulations. After reading Part I of this book and this appendix,
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you have a better understanding of the implications of option investing
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for fundamental investors than most people working on Wall Street.
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There are many more nuances to options that I discuss in Part III of this
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book—especially regarding leverage and the sensitivity of options to input
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changes—but for now, simply understanding how the BSM works puts you
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at a great advantage over other market participants.
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