The only true math that matters with respect to the Markets stated / regulated function. The Nasdaq Market Float Since 1997 The Math of the Market  Mon/Yr..Trade Days..# Compy..TotlVol...AverD Vol 
  Jul-97. 22.....6388... 14,659,052,996.. 666,320,591  Mar-98. 21.....6143... 17,694,084,535.. 842,575,454  Jul-99. 21.....5400... 21,249,135,986.. 1,001,863,618  Jan-00. 20.....5233.…. 33,859,912,232.. 1,692,995,612  Jul-03. 22.....3671... 38,984,813,325.. 1,772,036,969  Jan-04. 20.....3560... 46,649,555,963.. 2,332,477,798  Jul-05. 20.....3441.…. 33,681,072,462.. 1,684,053,623  Apr-06. 19.....3384... 40,846,016,058.. 2,149,790,319  Jul-07. 21.....3348... 46,780,102,818.. 2,227,623,944  Jan-08. 21.....3299... 56,616,100,438.. 2,696,004,783  Nov-08. 19.....3199... 42,460,731,579.. 2,234,775,346  Jul-09. 22.....3024... 48,456,198,558.. 2,202,554,480  Apr-10. 21.....2982... 53,597,263,077.. 2,552,250,623  May-10.........2977....57,205,068,222.. 2,860,253,411* Flash Crash 5-6 4.5bil 2943companies  Sept-10........2914....  Nov-10.........2941....42,183,589,365..2,008,742,351  Dec-10........2900....  Mar 2011....2914..40,289,690,615..ADV 2,120,510,032  May 2011 ...2881 43,314,364,851 ADV 2,062,588,802  July 11...... .2857 38,302,934,478...ADV 1,915,146,724  Oct 2011.....2842 44,691,480,4311 ADV 2,128,165,735  APR 2012....2804 34,686739,001 ADV 1,734,336,950 |