Nanex Research

Nanex ~ 22-Apr-2013 ~ HESS Fat Finger

On April 22, 2013 at 11:46:18 (ET), the stock of Hess Corporation, with a $22 billion market cap, dropped about 1.5% on what appears to be a single order (executed in multiple trades). This is much different behavior than what occurred in Google the same morning.

1. HES - Showing trades color coded by exchange.
Note how most of the drop is from 1 exchange (NYSE)

2. HES - Showing bids and asks color coded by exchange.
HES averaged 29 quotes for every trade in the period of time shown below.

3. HES - Showing trades color coded by exchange.
Close-up of the drop. It was instantaneous. Mostly at NYSE.

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