Shehadeh, Ali; Alwadi, Sadam M.; Almaharmeh, Mohammad I. - In: Cogent economics & finance 10 (2022) 1, pp. 1-14
We employ a Boxplot method for detecting and analyzing outlying daily returns of 14 international stock market indices … across stock markets. We find a sequential pattern in outlier occurrence within individual return series, and a concurrent … pattern across stock markets. Moreover, adjusting for outlying returns leads to a decrease in standard deviation, negative …