Add training workflow, datasets, and runbook

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+Chapter 28: Mathematical Applications 485 
+tively. Some later time, the stock falls to 27 and the trader needs to reevaluate his 
+position. The hedge ratios may have become .42 for the January 30 and .14 for the 
+January 35, indicating that a 3:1 ratio would be neutral (.42/.14 = 3). He now has a 
+bullish position, because his 2:1 ratio is less than the neutral 3:1 ratio. It is not manda­
+tory that the trader act on this information. He may actually be bullish on the stock 
+at this point and decide to remain with his position. The usefulness of the hedge ratio 
+is that it allows him to see that his position is bullish, so he can make a correct judg­
+ment. Without this knowledge, he might still think his position to be neutral, a criti­
+cal mistake if he indeed wants to be neutral. If the trader's ratio is greater than the 
+neutral ratio (2:1 vs. 3:2, for example), he is bearishly positioned. 
+As a final point, it should be noted that the ratio can be adjusted by buying or 
+selling either option. 
+Example: If the stock falls and it is desired that the ratio be increased to 3:1, one 
+might sell more January 35's or might decide to sell out some of his January 30's. A 
+bullish adjustment could be made by buying on either side of the spread in a similar 
+manner. In general, one should adjust by selling time premium or buying intrinsic 
+value. That is, out-of-the-moneys are usually sold and in-the-moneys are usually 
+bought, when adjusting. 
+AIDING IN FOLLOW-UP ACTION 
+The computer can also be an invaluable aid to the strategist in that it can help him 
+monitor his positions. It is generally necessary for the strategist to have some way of 
+inputting his positions into an inventory database and also to have some way of iden­
+tifying different securities that are grouped within the same trading position. Once 
+this has been done, the computer can simultaneously read pricing data ( either real­
+time or closing prices) and the inventory database to generate information concern­
+ing the current status of any position. 
+A current mark to market (profit and loss) statement is of obvious use in that 
+the trader can see how he is doing each day. The computer can also easily generate 
+a set of warning flags that may be of interest to the trader, and could produce a list 
+summarizing possible positions that need action. In most of the strategies that were 
+described, it was shown that the strategist should avoid early assignment if at all pos­
+sible. It is a simple matter for the computer to calculate the remaining time value 
+premium of any short options, and to warn the trader if there is only a small amount 
+of time value premium remaining, perhaps ½ point or less. For similar reasons, the 
+trader may want to have a daily list of positions that are nearing maturity, perhaps