iPath S&P 500 VIX ST Futures ETN (VXX) option implied volatility increases

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IPATH S&P 500 VIX SHORT-TERM FUTURES ETN DUE 1/30/2019 (NYSE: VXX) Delayed: 19.45 -0.6 (2.99%)
Previous Close $20.05    52 Week High $40.93 
Open $19.87    52 Week Low $9.30 
Day High $19.92    P/E N/A 
Day Low $19.42    EPS $0.00 
Volume 7,551,436