Trailing Stop-Loss – Complete Guide
- Paul Nawrocki
- Aug 20
- 2 min read

What is a Trailing Stop-Loss?
A trailing stop-loss is a dynamic stop order that automatically follows the market price as it moves in your favor. Unlike a fixed stop-loss, which stays at one price level, a trailing stop adjusts upward (for long trades) or downward (for short trades) as the market advances.
👉 Key benefit: it locks in profits while still allowing your trade to run if the trend continues.
How Does a Trailing Stop Work?
Long trade example:
You buy Apple at $100.
You set a trailing stop at $2 (or 2%).
If Apple rises to $105, your stop automatically moves to $103.
If the price falls back to $103, the order is triggered and you exit with a $3 profit.
Short trade example:
You short Tesla at $250.
Trailing stop = $5.
If Tesla drops to $240, your stop moves down to $245.
If price rebounds to $245, your position closes with $5 profit.
👉 The stop only moves in your favor – never against you.
Advantages of Trailing Stops
Protects profits without needing constant monitoring.
Allows winners to run longer than fixed take-profits.
Removes emotional decision-making (fear and greed).
Works well in strong trending markets.
Common Mistakes with Trailing Stops
Setting the trail too tight → you get stopped out by normal volatility.
Setting the trail too wide → you risk giving back too much profit.
Using the same trailing value on all assets without considering volatility.
How to Set Up a Trailing Stop in Sterling Trader® Pro
Enter a Trade
Open a position (buy or short).
Open the Order Entry Window
Select Order Type → choose Trailing Stop (sometimes shown as TRAIL).
Define the Trail Amount
You can set it in:
Points (e.g., $0.50 below market price).
Percentage (e.g., 1% below current market).
Confirm the Order
The stop will follow the price automatically.
For a long position: if the stock moves up, the stop adjusts up.
For a short position: if the stock moves down, the stop adjusts down.
Monitor & Adjust
If the market becomes more volatile, you may widen the trailing distance to avoid being stopped out prematurely.
Practical Example in Sterling Trader® Pro
You buy MSFT at $300.
You set a Trailing Stop = $2.
If MSFT goes to $305 → stop moves to $303.
If MSFT then drops to $303 → order triggers, and you lock in $3 profit.
If instead MSFT falls immediately to $298 → stop-loss executes, limiting your loss to $2.
✅ Pro Tip: In Sterling Trader, you can create keyboard shortcuts or hotkeys for trailing stop orders (e.g., “Buy 100 shares with 2% trailing stop”) to react instantly in fast markets.







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