Fig. 9From: Have the extraordinary circumstances of the COVID-19 outbreak and the Russian–Ukrainian conflict impacted the efficiency of cryptocurrencies?Rolling window Cram´er-von Mises tests n = 420. Notes The figures display the Cram´er-von Mises (CvM) tests based on the blockwise wild bootstrap. Under the null hypothesis of white noise, the confidence band is produced using a blockwise wild bootstrap of 5000 iterations for each window. The solid black lines reflect the CvM test statistics, while red, dotted lines represent 5% critical values (95% confidence bands). Each point on the horizontal axis represents the initial date of each windowBack to article page