Category: TRADING

Black Swan and Volatility of Volatility

We have written many blog posts about the increase in volatility of volatility. See, for example Is Volatility of Volatility Increasing? What Caused the Increase in Volatility of Volatility? Similarly, last week Bloomberg reported, The sudden rise in volatility in February and March showed that even with strong growth fundamentals, …

Correlation Breakdown

The US equity market just reached new highs, and it broke many records.  For example, Bloomberg reported that the US market had not been overbought like this in 21 years. The S&P 500 Index’s superlative start to 2018 is making a contrarian technical indicator look silly. The benchmark gauge is …

Volatility, Skew, and Smile Trading

Peter Carr recently gave a talk on volatility trading at the Fields institute. Summary: In general, an option’s fair value depends crucially on the volatility of its underlying asset. In a stochastic volatility (SV) setting, an at-the-money straddle can be dynamically traded to profit on average from the difference between …

What Do Creators of the VIX Think of Volatility?

The volatility index was created more than 30 years ago. Since then it has become a favorite tool for both speculation and risk management.  There is now strong evidence that VIX futures and related exchange-traded products are changing the market dynamics. Specifically, in the early days of the VIX, the …

VIX Futures Leads Cash Market: Tail Wags Dog

Last Thursday witnessed, again, another dramatic increase in volatility. The volatility index VIX spiked 44 percent to 16.04%, its highest daily close for the year. As shown below, the VIX futures term structure inverted in the short end. Two days before the event, Helen Bartholomew of Reuters warned that the …

Do Quantitative Trading Models Work?

Quantitative trading has become a topic du jour lately. Many investors have been considering allocating more capital to quantitative funds. However, not all experts share the same opinion regarding the merits of quantitative strategies. There are even quants among the skeptics. Emanuel Derman is one of the most respected experts …