- How the big players operate: Their psychology, motivation and objectives. For many traders the psychology of the big players is a mystery. The big players don't care about your stops The truth of the matter is that retail trader's stops don't factor on the radar of bank traders at all. In-fact professionals don't even see retail stops on an individual level, nor could they care less because the sizes are too small. Big players care about groups of stops That is not to say, professionals don't care about stops. Stop orders are very important to the institutional traders on an aggregate level - that is, they care about where large groups of stops are sitting. This could happen when, for example, a large number of retail trader's stops are sitting at the same level, or it could be where a corporate or fund has orders placed. Even though a bank trader only has knowledge of their own book, this grouping of stops is generally happening across a number of banks at th