Nanex ~ HFT Algoritms Running Wild

Nanex ~ HFT Algoritms Running Wild.

Another example of HFT algos running wild, this time causing price distortion in google. There are thousands of similar events every trading day.

It is time to put an end to this outrageous and blatant price manipulation.

GOOG on January 12, 2012 (1 second intervals) Black shaded area is the NBBO. Circles are trades. Color coded by Exchange (legend at bottom left).

GOOG on January 12, 2012 (250 millisecond intervals) Black shading is the NBBO. The red vertical line at 12:48:05 indicates the NBBO was crossed: note the instantaneous 30 cent drop in price shortly after the HFT attack algo.

GOOG on January 12, 2012 (25 millisecond intervals) . Black shading is the NBBO. Triangles are bids and offers color coded by exchange (legend at bottom left)

GOOG on January 12, 2012 (25 millisecond intervals) . Gray shading is the NBBO. Circles are trades and triangles are bids and offers: color coded by exchange (legend at bottom left)

GOOG on January 12, 2012 (20 millisecond interval chart)