They even have code words for the names of well known insider traders, e.g. Jacob Rees-Mogg, the UK politician is known as the “profiteering ghoul” because his massive short on the pound, why else was he pushing Brexit so much? The will of the people? Get real
Which makes sense, do you think that given the financial amounts involved, and the only thing stopping most people is ethics (and knowledge that it’s illegal but easy to get away with) that it wouldn’t happen??