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Trading Psychology

Overtrading and size escalation: two habits that hide in plain sight

Why overtrading and increasing size after losses are hard to notice, how to define them for your own trading, and what to track to catch them early.

· 4 min read

Some mistakes are visible on a single trade: a missed stop, a fat-fingered order. Overtrading and size escalation are different. No individual trade looks wrong. The problem only appears when you look at a day, or a week, as a whole.

Overtrading

Overtrading is taking noticeably more trades than your process normally produces. The extra trades are usually lower quality — taken from boredom, frustration or a feeling of needing to be in the market. Define “normal” from your own history: your typical number of entries on a day you consider well-traded.

Size escalation

Size escalation is increasing position size after losses. It is often rationalised as confidence or as a way to recover faster, and it concentrates risk at exactly the moment judgement is weakest. The measure is simple: compare your size on trades that follow a loss with your size on trades that follow a win or a flat day.

What to track

  • Entries per day, against your own typical count.
  • Position size relative to your usual size, split by what the previous trade did.
  • Results on the days and trades where either habit appeared, compared with the rest.

Neither habit needs a complicated fix once it is visible. The hard part is seeing it — which is why it is worth measuring rather than trusting your impression of the week.

Educational content only. Nothing here is investment advice or a recommendation to trade any instrument.

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