6  Figure 6 35,000  350  30,000  300  25,000  250  Feb 5, 2018 3:05 to 3:10 PM  20,000  200 150  10,000  100  5,000  50  0  0 8:00 AM 9:00 AM 10:00 AM 11:00 AM 12:00 PM 1:00 PM 2:00 PM 3:00 PM 4:00 PM 5:00 PM 8:00 AM 9:00 AM 10:00 AM 11:00 AM 12:00 PM 1:00 PM 2:00 PM 3:00 PM 4:00 PM 5:00 PM 8:00 AM 9:00 AM 10:00 AM 11:00 AM 12:00 PM 1:00 PM 2:00 PM 3:00 PM 4:00 PM 5:00 PM 8:00 AM 9:00 AM 10:00 AM 11:00 AM 12:00 PM 1:00 PM 2:00 PM 3:00 PM 4:00 PM 5:00 PM  15,000  2/2/2018  2/5/2018  TRACE Volume (LHS)  2/6/2018  2/7/2018  Market Depth (Top 3 Levels, RHS)  Source: Board staff calculations, based on Trade Reporting and Compliance Engine (TRACE) data from the Financial Industry Regulatory Authority (FINRA); Brokertec.
Volumes are over five-minute intervals.