Discretion compounds errors
Every discretionary decision is an opportunity for bias, fatigue or emotion to interfere. Rules-based systems make the same decision in the same situation every time — which is exactly what compounding requires.
Rules you can explain
A rule is only useful if it is unambiguous. If two people reading the same rule would make different decisions, it needs to be more specific. My Metric Trade surfaces the rule in plain language so you can check it before activating.
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Build your first rule-based strategy →Reviewing rules, not overriding them
The right response to a rule that is not working is to review and change it during a calm moment — not to override it in the heat of the market. That distinction is what separates systematic from discretionary.