Technical analysis is an analysis methodology for forecasting the direction of prices through the study of past market data, primarily price and volume. This means the method tries to understand what the market thinks based on action taken by the market, and predict the price movement
Yes it does as proven by many. This is a lagging method as this method is more like watching someone’s action then perform a similar action, unlike fundamental analysis where the trader perform the action as a leader. Benefit of this method is as follow
Drawback
Mainly smaller traders but some institutional traders do use this as confirmation to their analysis.