Add training workflow, datasets, and runbook

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+Volatility Selling
+Susie Seller, a volatility trader, studies semiconductor stocks. Exhibit 12.3
+shows the volatilities of a $50 chip stock. The circled area shows what
+happened before and after second-quarter earnings were reported in July.
+The black line is the IV, and the gray is the 30-day historical.
+EXHIBIT 12.3 Chip stock volatility before and after earnings reports.
+Source : Chart courtesy of iVolatility.com
+In mid-July, Susie did some digging to learn that earnings were to be
+announced on July 24, after the close. She was careful to observe the classic
+rush and crush that occurred to varying degrees around the last three
+earnings announcements, in October, January, and April. In each case, IV
+firmed up before earnings only to get crushed after the report. In mid-to-late
+July, she watched as IV climbed to the mid-30s (the rush) just before
+earnings. As the stock lay in wait for the report, trading came to a
+proverbial screeching halt, sending realized volatility lower, to about 13
+percent. Susie waited for the end of the day just before the report to make
+her move. Before the closing bell, the stock was at $50. Susie sold 20 one-
+month 50-strike calls at 2.10 (a 35 volatility) and bought 1,100 shares of the
+underlying stock at $50 to become delta neutral.