Fig. 2.
Conditional correlation between price changes and volume changes. Note: The first black vertical line refers to the date November 16, 2019. The second black vertical line refers to the date December 30, 2019. I, the first quarter; II, the second quarter; III, the third quarter; IV, the fourth quarter. For brevity, only the twelve largest cryptocurrencies by market capitalisation are presented. Further results are available from the authors upon request.