Add training workflow, datasets, and runbook

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Chapter 39: Volatility Trading Techniques 819
ly not much different from the GARCH approach, which is considered to be highly
advanced. When one views the volatility chart, he is not looking for chart patterns like
technical analysts might do with stock charts: support, resistance, head-and-shoul­
ders, flags, pennants, and so on. Rather, he is merely looking for the trend of volatil­
ity to change.
This is a valid approach in the use of many indicators, particularly sentiment
indicators, that can go to extreme levels. By waiting for the trend to change, the user
is not subjecting himself to buying into the midst of a downtrend in volatility, nor sell­
ing into the midst of a steep uptrend in volatility.
Example: Suppose a volatility trader has determined that the current level of implied
volatility for XYZ stock is in the 1st percentile of all past readings. Thus, the options
are as cheap as they've ever been. Perhaps, though, the overall market is experienc­
ing a very dull period, or XYZ itself has been in a prolonged, tight trading range -
either of which might cause implied volatility to decline steadily and substantially.
Having found these cheap options, he wants to buy volatility. However, he has no
guarantee that implied volatility won't continue to decline, even though it is already
as cheap as it's ever been.
If he follows the technique of waiting for a reversal in the trend of implied
volatility, then he would keep an eye on XYZ's implied volatility daily until it had at
least a modest increase, something to indicate that option buyers have become more
interested in XYZ's options. The chart in Figure 39-1 shows how this situation might
look.
There are a number of items marked on the chart, so it will be described in
detail. There are two graphs in Figure 39-1: The top line is the implied volatility
graph, while on the bottom is the stock price chart. The implied volatility chart shows
that, near the first ofJune, it made new all-time lows near 28% (i.e., it was in the 0th
percentile of implied volatility). Hence, one might have bought volatility at that
point. However, it is obvious that implied volatility was in a steep downtrend at that
time, so the volatility trader who reads the charts might have decided to wait for a
pop in volatility before buying. This turned out to be a judicious decision, because
the stock went nowhere for nearly another month and a half, all the while volatility
was dropping. At the right of the chart, implied volatility has dropped to nearly 20%.
The solid lines on the two graphs indicate the data that is known about the
implied volatility and price history of XYZ. The dotted lines indicate a scenario that
might unfold. If implied volatility were to jump ( and the stock price might jump, too),
then one might think that the trend of implied volatility was no longer down, and he
would then buy volatility.