Here are the market maker codes: 911 is one of
Post# of 3935
911 is one of the MM signals
Google "market maker signals 911" and you will find it states that 911 in MM speak means incoming news.
100 > I need shares
200 > I need shares badly but dont take it down to get em
300 > Take the price down to get shares....
400 > Trade it sideways based on Supply and Demand
500 > Gap one way or the other, usually to the direction
of the 500 trade. Sometimes -if in the middle -keep the price right where it is
911 > News incoming