Below are the real data of the Nasdaq and the Bitcoin over a 5-day period. William would like you to help him calculate the 4-day average Amihud illiquidity measure in billions. What conclusion you could obtain after calculating the Amihud measure? Assume volume is the dollar trading volume.

NASDAQ Date Open High Low Adj Close Volume 19/08/2019 8006.1802 8026.75 7895.99 8002.81 1934980000 20/08/2019 7989.3599 8010.58 7948.09 7948.56 1747580000 21/08/2019 8017.0698 8036.94 7998.5 8020.21 1716370000 22/08/2019 8038.79 8048.58 7937.12 7991.39 1777630000 23/08/2019 7943.6499 8005.34 7730.77 7751.77 2207070000 Bitcoin Date Open High Low Adj Close Volume 19/08/2019 10350.283 10916.05 10313.2 10916.05 16038264603 20/08/2019 10916.347 10947.04 10618.96 10763.23 15053082175 21/08/2019 10764.572 10798.73 9962.722 10138.05 19473084767 22/08/2019 10142.521 10233 9831.463 10131.06 17097508856 23/08/2019 10136.31 10442.44 10078.19 10407.96 15627023886