The VIX index is by far the most popular volatility indicator, but it's not the only one. The VOLI is similar to VIX in construction, with one key difference. VOLI only uses at the money SPY options ...

More and more people are putting money into the iPath S&P 500 VIX Short-Term Futures ETN (VXX) "Speculators are again piling into an exchange-traded note that lets them bet on how long days of calm ...

Market volatility began its resurrection this past week after a surprisingly mundane September. As the debt ceiling fight is upon us once again and US equities remain close to all time highs, the ...