Something which is over is not good for all traders around the world. We can see many examples from many stories or even real life which we can see by our own eyes , which loss because of this overconfident.We should be not really overconfident in trading if we don't want to miss or have mistakes again. Because, having overconfidence as too much can be a bad thing. We just need to be confident and patience, with overconfidence we may feel correct or right and not consider other things like analysis.