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March 16, 2011

SPY Event

More Nanex Research

On March 16, 2011 at 11:04:43, it appears a HFT algo spun out of control in SPY. Or maybe someone was transferring money from one account to another.

Here are a few images of the event. (1 and 25 millisecond interval charts)






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Publication Date: 02/22/2012
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