cryptocurrency and central banks, Knowledge graph

Before 5178, 2015 and December 25, 2014,Before 5178, 2015 and December 25, 2014,December 23 this year, what is the technical date?

Today, it is also one of the sensitive days of disk change, as shown in the diagram:December 23 this year, what is the technical date?From the A-share convention, institutions are the main force of market ups and downs, and the week is the sensitive time for the final settlement inventory at the end of the year, especially the inventory day on December 25. In history, in addition to really taking the big band to make an attack:

See the following monthly chart:Before 5178, 2015 and December 25, 2014,