#1Oct 15th, 2012
No, not Al Gore with rhythm ya meatheads, some nefarious group or evil genius testing the waters perhaps?


via sda:

It's Probably Nothing

A single algorithm ...
...last week placed and cancelled orders on the Nasdaq accounting for 4% of all quoted traffic in the US. Not only this, it also accounted for a colossal 10% of the bandwidth that is allowed for trading on any given day.

It placed orders in 25-millisecond bursts, involving approximately 500 stocks, but never actually executed a single trade.


The algorithm’s stopped operating at 10.30am ET on Friday.


small dead animals: It's Probably Nothing

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Mammoth mystery algorithm on Nasdaq: who and why? - MARKETS - FRANCE 24