Further Evidence Of Quote Stuffing Manipulation By HFT
From Zero Hedge:
“Recently we posted a required reading analysis by Nanex in which the market trading analytics firm presented irrefutable evidence of quote stuffing by HFT algorithms in tens of stocks, in which thousands of cancelled quotes would reappear each second with a definitive periodicity and regularity, around the time of the May 6 flash crash. Aside from the fact that it is illegal to indicate a quote without a trade intent, this form of quote stuffing is in fact manipulative when conducted by HFT repeaters in specific “shapes” as it actually moves the NBBO actively higher or lower, in cases pushing the bid/offer range up to 10% higher without even one trade ever having occurred, simply by masking a big block order which other algos interpret as bid interest and pull all offers progressively or step function higher (or vice versa, although we have rarely if ever seen the walking down of a stock over the past 18 months). It is as if the HFT lobby has been given the green light by the powers that be that it is safe to activate merely the bid-size quote stuffing algorithms, and not worry: the fact that the market is so one sided in its quote stuffing patterns is sufficient reason to worry of a concerted effort to push stocks higher, initiated from the very top, and effected by not only the Primary Dealer community but by the end-market “liquidity providers.”…
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