Add training workflow, datasets, and runbook

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+936 Part VI: Measuring and Trading Volatility 
+MATHEMATICAL RANKING 
+The discussion above demonstrates that it is not possible to ultimately define the best 
+strategy when one considers the background, both financial and psychological, of the 
+individual investor. However, the reader may be interested in knowing which strate­
+gies have the best mathematical chances of success, regardless of the investor's per­
+sonal feelings. Not unexpectedly, strategies that take in large amounts of time value 
+premium have high mathematical expectations. These include ratio writing, ratio 
+spreading, straddle writing, and naked call writing (but only if the "rolling for cred­
+its" follow-up strategy is adhered to). The ratio strategies would have to be operated 
+according to a delta-neutral ratio in order to be mathematically optimum. Unfor­
+tunately, these strategies are not for everyone. All involve naked options, and also 
+require that the investor have a substantial amount of money ( or collateral) available 
+to make the strategies work properly. Moreover, naked option writing in any form is 
+not suitable for some investors, regardless of their protests to the contrary. 
+Another group of strategies that rank high on an expected profit basis are those 
+that have limited risk with the potential of occasionally attaining large profits. The T­
+hill/option strategy is a prime example of this type of strategy. The strategies in which 
+one attempts to reduce the cost of longer-term options through the sale of near-term 
+options fit in this broad category also, although one should limit his dollar commit­
+ment to 15 to 20% of his portfolio. Calendar spreads such as the combinations 
+described in Chapter 23 (calendar combination, calendar straddle, and diagonal but­
+terfly spread) or bullish call calendar spreads or bearish put calendar spreads are all 
+examples of such strategies. These strategies may have a rather frequent probability 
+of losing a small amount of money, coupled with a low probability of earning large 
+profits. Still, a few large profits may be able to more than overcome the frequent, but 
+small, losses. Ranking behind these strategies are the ones that offer limited profits 
+with a reasonable probability of attaining that profit. Covered call writing, large debit 
+bull or bear spreads (purchased option well in-the-money and possible written option 
+as well), neutral calendar spreads, and butterfuly spreads fit into this category. 
+Unfortunately, all these strategies involve relatively large commission costs. 
+Even though these are not strategies that normally require a large investment, the 
+investor who wants to reduce the percentage effect of commissions must take larger 
+positions and will therefore be advancing a sizable amount of money. 
+Speculative buying and spreading strategies rank the lowest on a mathematical 
+basis. The T-bill/option strategy is not a speculative buying strategy. In-the-money 
+purchases, including the in-the-money combination, generally outrank out-of-the­
+money purchases. This is because one has the possibility of making a large percent­
+age profit but has decreased the chance of losing all his investment, since he starts