Why I Don't Let One Big Win Change My Position Size

After a large winning trade, it's tempting to increase position size immediately.

I might feel that I've figured out the market or that I have extra money available to risk.

But one result doesn't establish that my strategy has improved.

I keep position sizing tied to my predefined risk rules and account limits.

If I want to change my size, I review the decision outside the excitement of a winning session.

Protecting gains starts with avoiding the belief that a good result makes the next trade safer.