When you use “other” information, outside the parameters of your edge to decide whether you will take the trade, you are adding random variables to your trading regime. Adding random variables makes it extremely difficult, if not impossible, to determine what works and what doesn’t. If you’re never certain about the viability of your edge, you won’t feel too confident about it. To whatever degree you lack confidence, you will experience fear. The irony is, you will be afraid of random, inconsistent results, without realizing that your random, inconsistent approach is creating exactly what you
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