How can a chart be wrong, when it depicts the price, time, and volume of transactions that happened?. Reality in other words.
1) Its common for data vendors to have errors in their data including transaction errors...many threads here at ET by someone documenting errors in their data. Thus, a chart can be wrong and the user may not know it when trade decisions are made or may not never know the error.
2) Its common for users of the chart to use the chart in a way that it results in bad decisions for one person and good decisions for someone else. Yeah, that contradiction implies its the YOU (the user) that's part of the equation for success or failure. Seriously, hasn't anyone ever made a mistake ?
Just take a look at all the trade journals here at ET. Each person is doing something differently. That in itself implies its YOU that makes the ultimate decision. Heck, even in automation...its still the trader that has to design the program. Thus, the trader is still an important part of the equation even in automation trading.
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