Outlier 1y Zscore: -2.84 for VSTOXX4=18.20 #eur #zscore #vol #zscore http Apr 26 20172017-04-26 Outlier 1y Zscore: -2.84 for VSTOXX4=18.20 #eur #zscore #vol #zscore https://t.co/BrTAxcWSuZ