Nanex Research

Nanex ~ 05-Aug-2013 ~ SPY Lowest Volume Since 2007

On August 5, 2013, SPY recorded the lowest non-holiday volume since February 16, 2007. August 5th also turned in a record high quote/trade ratio, as High Frequency Quote Spam persists.

Charts below show daily counts of quotes, trades, shares and $dollar value traded, along with select ratios during regular trading hours in SPY from January 3, 2005 through August 5, 2013.


* Chart 8, NBBO Price Changes: Note the log scale. Also note the significant increase starting the first quarter of 2007. We've written more about this.

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