Good Investing Lessons

It was better to risk taking many small losses than to risk missing one large profit. In order for this to work, you must have a trading edge. Without which, you are taking unnecessary risk. Trading is like gambling. You want to know your edge first. You need to calculate your edge for every trading decision you make, because you can’t make “bets” if you don’t know your edge. It’s not about the frequency of how correct you are; it’s about the magnitude of how correct you are. For winning edge to happen, the expectancy of the trades must be positive: E = (PW x AW) - (PL x AL) Where: E = Expectation or Edge PW = Winning Percent AW = Average Winner PL = Losing Percent AL = Average Loser

"You shouldn’t care about how you got to the current state but rather about what you should do now. A trader who trades differentially because of swings in confidence is focusing on his or her own past rather than on current realities." - Bill Eckhardt. Key trading rule: Forget how you got here! Do not let your emotion affect you. If you keep thinking about how you got to your current state, your emotion will affect your decision making. For example, if you are sitting on the paper gain of 10%, you emotion may want to urge you to take profit even though the current market trend is still at your advantage. On the other hand, if you are sitting on a paper loss of 10%, your internal urge is to ask yourself to hold on to it hoping that it will turn around even when the trend clearly tells you that it will continue. Eckhardt clarified, “What this means is that once an initiation is made, it should not matter at all to subsequent decisions what the initiation price was.” It is impo...