A trader of late posed this enquiry inward a comment to a spider web log post: How tin I avoid overtrading?
First, let's instruct definitions straight:
Overtrading typically has ii connotations: trading size that is every bit good large for one's portfolio (i.e., taking every bit good much chance per trade) as well as trading every bit good oft (i.e., when an objective border for the merchandise is non present).
Keeping metrics on your trading volition nation you lot if your size is every bit good large (you volition conduct maintain large P/L swings as well as drawdowns as well as large outlier gains as well as losses) and/or if you're trading every bit good much (you volition conduct maintain to a greater extent than losing trades than winners as well as volition tend to lose to a greater extent than on days inward which you're trading more).
The antidote to overtrading--in both its forms--is rule-governance. Trading rules are what guide our seat sizing as well as risk-taking, as well as they are what seat us into markets as well as perish along us out.
Many times, traders create non formulate their rules explicitly: they create non conduct maintain clear as well as concrete formulas for seat sizing, as well as they create non conduct maintain hard-and-fast rules for when to motility into as well as exit. It is a curious, but surprisingly mutual mistake to assume that discretionary trading agency trading without rules. Discretion agency that nosotros utilize real-time judgment inward entering, exiting, as well as managing positions. Rules tin guide that discretion, but every bit rules as well as plans may guide a quarterback who calls plays inward a huddle as well as changes those calls at the trouble of scrimmage.
We avoid overtrading inward position-sizing past times limiting the losses on whatever unmarried merchandise to a small, fixed fraction of portfolio value. We avoid overtrading inward the seat out of positions nosotros motility into past times limiting trades to those setups (entry criteria) that conduct maintain demonstrated their profitability. For example, I volition non accept a brusk seat inward a marketplace seat inward which the cumulative NYSE TICK is making novel highs; I won't merchandise at all if majority falls below threshold levels. These rules as well as guidelines perish along us out of unprofitable situations, as well as they attention us concentrate our uppercase inward areas of greatest opportunity.
It is through repetition that rules plough into habits. This is a theme I'll hold upward taking upward in the novel book. To avoid overtrading, you lot lay out your trading rules as well as thence you lot rehearse as well as follow those rules thence consistently that they perish automatic. You can't hold off to follow a dependent that you lot haven't clearly defined inward the outset place.
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