Calculating a VIX3M Style Index Back to 1990 Reveals Surprising Trends
The Cboe’s VIX® (30-day) and VIX3M (93-day) indexes enable us to quantify volatility term structures but until now, historical analyses between VIX style indexes have been limited to dates after December 2001. This post introduces the results of VIX3M style calculations back to 1990, and reviews issues and trends that were revealed. In November 2007, the Cboe introduced VIX3M, a volatility index that uses the …