“[Michael Marcus] also taught me one other thing that is absolutely critical: You have to be willing to make mistakes regularly; there is nothing wrong with it. [He] taught me about making your best judgment, being wrong, making your next best judgment, being wrong, making your third best judgment, and then doubling your money.”

– Bruce Kovner, Market Wizards

Bruce Kovner, now retired, is one of the all-time trading greats.

His observation is strikingly similar to the Soros observation (paraphrase): “It doesn’t matter how often you are right or wrong — what matters is how much you make when you are right, versus how much you lose when you are wrong.”

In many ways trading is remarkably different from any other profession. Imagine if doctors, lawyers, or company executives were encouraged to “make mistakes” on a regular basis. (They do make mistakes of course. They just can’t admit them, let alone be open about them.) (more…)