Volatility Views 4: The Many Flavors of Volatility ConesVolatility Review: We get a real-time look at the volatility of volatility with a big one-day move in the Euro vol contract.  "Sell" was the word in vol last week.  Contango craziness.Strategy Session: Contango - a basic introduction; Mean reversion - beyond basic introduction; Volatility cones as a trading signal: they come in many flavors.Crystal Ball:  Interesting vol ahead, both in the Euro contracts, and in the market in general.  VIX cash fluctuations.  Sebastian predicts that S&P will downgrade U.S. debt on Monday.  Are you ready for "Sell in May and go away"?