This post may offend many and that is not its intention. This is a think piece I have been formulating in my mind for quite some time now. Its purpose is to get you to think about your trading methodology(s) and setups in a critical light.
To my way of thinking, traders who utilize technical analysis all fall into three broad groups (traders who use purely fundamental analysis are excluded from this type of grouping).
In this group I include Elliot Wave traders, Gann traders and astrological traders. These traders trade in the future. Based on what they say may happen and some go as far as to say what WILL happen. When a trade is a failure, they use misinterpretation of past price action as the excuse for the failed trade. It seems that Elliot wave traders (mostly sellers of the system) are in a constant civil war as to "correct" interpretation. Gann followers can spend their entire trading life searching for his "missing" piece. A lot of legend has been created around WD Gann, promulgated by promoters of his methodology. WD Gann was prolific in his writings and covered a multitude of areas. Regardless of what happens next, some part of his work can be given credit for "calling" the "move." Too bad we lack foresight to know which one! He is also been credited to have died with a tidy fortune due to his trading. Interviews with his son (who happened to have been in the banking business) revealed that he died in modest means and made the bulk of his money promoting his ideas over his life time. The foremost (and longest being tracked) in the astrological trading group is Arch Crawford. In over 25 years of his trading service, he has had flashes of brilliance. However, according to Hulbert, his record, overall, has well under performed the market during the long period tracked. Prognosticators rely on interpretation of price. So much for the prognosticators.