The New VXST and the VXST:VIX Ratio - ETF Daily News
The New VXST and the VXST:VIX Ratio Bill Luby: At the beginning of the month several interesting announcements came out of the CBOE Risk Management Conference in Portugal. One which particularly caught my interest was the announcement of the launch of the new CBOE Short-Term Volatility Index (VXST), which is essentially identical to the VIX, except that whereas the VIX is looking ahead at a window of 30 calendar days, the VXST measures implied volatility of options on the S&P 500 index (SPX) for the next 9 calendar days. This means that the CBOE now has three different indices to measu...