TRADING GLOSSARY

Stop loss: your most important risk management tool

A stop loss is a predetermined price level at which you automatically exit a losing trade. It is not a suggestion or a guideline — it is a non-negotiable rule that separates successful traders from those who blow up their accounts.

How a stop loss works

When you enter a trade, you simultaneously set a stop loss order with your broker. If you buy a stock at $100 and set a stop loss at $95, your broker will automatically sell your position if the price drops to $95. Your maximum loss on the trade is $5 per share, regardless of how far the stock falls after that.

There are several types of stop losses. A fixed stop loss stays at the same price throughout the trade. A trailing stop loss moves up (for long positions) as the price increases, locking in profits while still protecting against reversals. An ATR-based stop loss uses the Average True Range indicator to set the stop distance based on the asset’s actual volatility.

Why stop losses matter

Without a stop loss, a small loss can turn into a catastrophic loss. A stock you bought at $100 “because it’s a great company” can drop to $50, $30, or even $5. In the absence of a stop loss, the only thing that will force you to sell is pain — and by then, the damage is done.

Professional traders risk 1-2% of their account per trade using stop losses. This means even a string of 10 consecutive losing trades only draws down their account by 10-20%, which is recoverable. Without stop losses, two or three bad trades can destroy an account.

How to set a stop loss correctly

Place your stop loss at a level that invalidates your trade thesis. If you bought because the stock bounced off support at $95, your stop loss should be just below $95 (e.g., $94.50). If the stock breaks below this level, your reason for entering no longer holds. Never set stop losses based on arbitrary percentages or based on how much you are “willing to lose.” Base them on technical levels.

AskTrade’s Risk Assessment Agent calculates optimal stop loss placements based on technical levels and volatility for every analysis it runs.

Disclaimer: This is for educational purposes only and does not constitute financial advice. Trading involves significant risk of loss.

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AskTrade analyses are AI-generated and do not constitute financial advice.