Flash Crash Analysis
Continuing Developments
Flash Equity Failures in 2006, 2007, 2008, 2009, 2010, and 2011
Publication Date: November 29, 2010
Updated: February 4, 2011
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We have analyzed all listed equities for 2006, 2007, 2008, 2009 and 2010 for
potential "mini crashes" in individual stocks. We were surprised at
the number of incidents we found.
Parameters used:
- To qualify as a down-draft candidate, the stock had to tick down at least
10 times before ticking up -- all within 1.5 seconds and the price change had
to exceed 0.8%.
- To qualify as a up-draft candidate, the stock had to tick up at least 10
times before ticking down -- all within 1.5 seconds and the price change had to
exceed 0.8%.
Because there are so many of these instances, showing all the individual charts
on a page would simply be to unwieldy. Instead, we are providing ZIP archives
for each year analyzed. Simply download the files, unzip and start viewing. We
also made 10 pages with 10 sample images from each year (both down drafts and
up drafts) for you to view now.
An explanation of the chart components can be found by
Clicking Here.
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The following chart showing the daily occurrence of these events between
January 1, 2006 and November 3, 2010.
The lower chart uses a logarithmic scale. Click
HERE for a high resolution image of the chart.
Reg NMS:
Regulation NMS was implemented in 2007. For an exact timeline of the
implementation phases, please see:
SIFMA
Regulation NMS Implementation Timeline.
Many exchanges had completed implementation prior to the required dates.
Consider the NYSE Hybrid Market rollout:
Hybrid Phase III - COMPLETED rollout January 24, 2007
Hybrid Phase IV - COMPLETED rollout February 27, 2007
Note that prior to Feb 2007, the NYSE had never been a reporting exchange in
any incident.
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Inquiries: pr@nanex.net
Publication Date: November 29, 2010
Updated: February 4, 2011
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