Outlier 1y Zscore: -2.86 for VSTOXX4=18.05 #vol #zscore #eur #zscore http Apr 27 20172017-04-27 Outlier 1y Zscore: -2.86 for VSTOXX4=18.05 #vol #zscore #eur #zscore https://t.co/BFWIfeLT6Y