What most traders often don’t realize until it is too late is how quickly one can lose a lot of money in a single trade often with disastrous consequences.  More often than not this painful experience comes from poor risk management following a period of successful trading. It is natural of course. We are pattern seeking mammals and when something starts working for us we get confident in our abilities and quickly forget we know very little what the market or a given stock may do at any given moment. In short: We easily become overconfident.

It is after a period of successful trading that traders tend to loosen up on good intentioned rules of discipline. They start thinking in term of dollar signs as opposed to the trade discipline. In short they think they can fly. “Look how much money I would have made if I had traded x % of my portfolio”. Stop yourself right there. While it is tempting to play mind games like this no good will come of it. Why? Because you just stepped overtly into the realm of one of the greatest sins of trading:

Once you get greedy you will start abandoning necessary discipline. Nobody, I repeat nobody, no matter how smart they think they are has a fail proof system or process or secret trading technique that guarantees 100% success. I surely don’t. Neither does Goldman Sachs or anybody else. While there may be some HFT firms out there that are trying to algo their way to a perfect system I have news for you: You are not an HFT or an algo. You are an individual trader and as good as you may be: You will have losing trades, things will go against you and oddly enough this will happen when you are at your most vulnerable: When you are overconfident, greedy and overexposed. Something curious tends to happen though when the losing trade occurs: