Add training workflow, datasets, and runbook

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+Cl,apter 5: Naked Call Writing 141 
+In essence, the writer who is rollingf or credits sells the most time premium that 
+he can at any point in time. This would generally be the longest-term, at-the-money 
+call. If the stock declines, the writer makes the time premium that he sold. However, 
+if the stock rises in price, the writer rolls up for a credit. That is, when the stock 
+reaches the next higher striking price, the writer buys back the calls that were origi­
+nally sold and sells enough long-term calls at the higher strike to generate a credit. 
+In this way, no debits are incurred, although a realized loss is taken on the rolling up. 
+If the stock persists and rises to the next striking price, the process is repeated. 
+Eventually, the stock will stop rising - they always do - and the last set of written 
+options will expire worthless. At that time, the writer would make an overall profit 
+consisting of an amount equal to all the credits that he had taken in so far. In reality, 
+most of that credit will simply be the initial credit received. The "rolls" are done for 
+even money or a small credit. In essence, the increased risk generated by continual­
+ly rolling up is all geared toward eventually capturing that initial credit. The similar­
+ity to the Martingale strategy is strongest in this regard: One continually increases his 
+risk, knowing that when he eventually wins (i.e., the last set of options expires worth­
+less), he profits by the amount of his original "bet." 
+There are really only two requirements for success in this strategy. The first is 
+that the underlying stock eventually fall back, that it does not rise indefinitely. This is 
+hardly a requirement; it is axiomatic that all stocks will eventually undergo a correc­
+tion, so this is a simple requirement to satisfy. The second requirement is that the 
+investor have enough collateral backing to stay with the strategy even if the stock runs 
+up heavily against him. 
+This is a much harder requirement to satisfy, and may in fact tum out to be 
+nearly impossible to satisfy. If the stock were to experience a straight-line upward 
+move, the number of calls written might grow so substantially that they would 
+require an unrealistically large amount of collateral (margin). At a minimum, this 
+strategy is applicable only for the largest investors. For such well-collateralized 
+investors, this strategy can be thought of as a way to add income to a portfolio. That 
+is, a large stock portfolio's equity may be used to finance this strategy through its loan 
+value. There would be no margin interest charges, because all transactions are cred­
+it transactions. (No debits are created, as long as the Martingale "limits" are not 
+reached.) The securities portfolio would not have to be touched unless the strategy 
+were terminated before the last set of calls expired worthless. 
+This is where the danger comes in: If the stock upon which the calls are written 
+rises so fast that one completely uses up all of his collateral value to finance the naked 
+calls, and then one is required to roll again, the strategy could result in large losses. 
+For a while, one could simply continue to roll the same number of calls up for deb­
+its, but eventually those debits would mount in size if the stock persisted in rising. At