Outlier 1y Zscore: -2.76 for VSTOXX4=18.45 #zscore #eur #vol #zscore http Apr 25 20172017-04-25 Outlier 1y Zscore: -2.76 for VSTOXX4=18.45 #zscore #eur #vol #zscore https://t.co/FCHVJO97O3