Add training workflow, datasets, and runbook

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+Managing Trades
+Once the trade is on, the greeks come in handy for trade management. The
+most important rule of trading is Know Thy Risk . Knowing your risk means
+knowing the influences that expose your position to profit or peril in both
+absolute and incremental terms. At-expiration diagrams reveal, in no
+uncertain terms, what the bottom-line risk points are when the option
+expires. These tools are especially helpful with simple short-option
+strategies and some long-option strategies. Then traders need the greeks.
+After all, that’s what greeks are: measurements of option risk. The greeks
+give insight into a trade’s exposure to the other pricing factors. Traders must
+know the greeks of every trade they make. And they must always know the
+net-portfolio greeks at all times. These pricing factors ultimately determine
+the success or failure of each trade, each portfolio, and eventually each
+trader.
+Furthermore, always—and I do mean always—traders must know their up
+and down risk, that is, the directional risk of the market moving up or down
+certain benchmark intervals. By definition, moves of three standard
+deviations or more are very infrequent. But they happen. In this business
+anything can happen. Take the “flash crash of 2010 in which the Dow Jones
+Industrial Average plunged more than 1,000 points in “a flash.” In my
+trading career, I’ve seen some surprises. Traders have to plan for the worst.
+It’s not too hard to tell your significant other, “Sorry I’m late, but I hit
+unexpected traffic. I just couldn’t plan for it.” But to say, “Sorry, I lost our
+life savings, and the kids’ college fund, and our house because the market
+made an unexpected move. I couldn’t plan for it,” won’t go over so well.
+The fact is, you can plan for it. And as an option trader, you have to. The
+bottom line is, expect the unexpected because the unexpected will
+sometimes happen. Traders must use the greeks and up and down risk,
+instead of relying on other common indicators, such as the HAPI.