Whether you are experience trader or not, buy or sell you are always have fifty percent (50%) chance of winning. In other words, without looking at the chart, and knowing the company, placing a buy order, you still stand a fifty percent chance of right. Because, the stock price either up or down. So, remember, you are always fifty percent correct! In fact, if you ask many successful trader, what is their success secret. They many not be able to really tell you much. The answer is just win lah! But, truly they will tell you the truth. God knows.
If this is the case, why there are so many guru and master out there teaching you the winning formula. And, why are you working so hard spend so much effort to analysis the market. The is all about risk-reward ratio. You want to have more winning trade and keep those lost trade to minimum.
Chart analysis, is really a scientific way to analyse, placing the trade. Finally, you could repeat you success over and over again.