Nanex Research
Nanex ~ 26-Feb-2013 ~ AON Risk
On February 26, 2013 at 9:35:17, the stock of Aon plc (symbol AON); dropped 2%
in about 150 milliseconds, the price almost fully recovered within about 3 seconds.
Approximately 160 trades and 80,000 shares from 12 markets were involved in the price
drop. AON has a market cap of $19 Billion - it lost about $400 million of that
for less than 1 second.
Once again, many orders were placed and canceled during the
drop.
1. AON Showing trades color-coded by exchange and NBBO (gray/yellow/red shading).
2. AON Showing bids and asks color-coded by exchange and NBBO (gray/yellow/red shading).
3. Zoom of trades, showing 5 seconds of time.
4. Zooming in to 1 second of time.
5. AON Showing bids color-coded by exchange and NBBO (gray/yellow/red shading).
An average of 5 orders are placed for every trade executed. On Bost - 85 orders are
placed for every trade executed.
Nanex Research
Inquiries: pr@nanex.net