A trailing stop is a stop order that moves automatically in your favour as price moves your way, by a set dollar amount or percentage, but never moves back. On a long position it rises with the price and triggers if price falls by the trail amount from its highest point. It locks in profits while letting winners run. The trail distance is the key decision: too tight and normal pullbacks stop you out, too wide and you give back too much.
Exits make or break a strategy. Trailing stops solve one of the hardest parts: when to take profit on a winner that keeps going.
How it works: an example
You buy a stock at $50 with a $2 trailing stop.
| Price | Highest price since entry | Stop level |
|---|---|---|
| $50 (entry) | $50 | $48 |
| $53 | $53 | $51 |
| $56 | $56 | $54 |
| $55 (pullback) | $56 | $54 (doesn't move down) |
| $54 | $56 | Triggered: exit around $54 |
You locked in about $4 per share, without deciding when to sell.
A percentage trail works the same way, with the distance as a percentage (for example 5%) of the highest price.
Trailing stop vs trailing stop-limit
- Trailing stop: becomes a market order when triggered. You'll almost always get out, but the price can slip.
- Trailing stop-limit: becomes a limit order. It controls price, but may not fill in a fast drop.
Same trade-off as regular stops. See stop vs stop-limit orders.
Score the Setup Before You Take It
TRADZY's Void Engine rates any setup 0–100 across 12+ variables: structure, trend alignment, volume, momentum and key levels.
Score a Setup Free →Ways to trail
| Method | How | Best for |
|---|---|---|
| Fixed dollar or % | Broker order that trails automatically | Simple, hands-off exits |
| ATR-based | Trail at 2–3× ATR from the high | Adapts to volatility |
| Structure-based | Move the stop below each new higher low | Swing traders following trend structure |
| Moving average | Exit on a close below the 10/20 EMA | Trend followers |
| Chandelier exit | Highest high minus a multiple of ATR | Systematic trend trading |
Structure and moving-average trails are usually managed manually or with alerts. Fixed and percentage trails are native order types at most brokers.
Choosing the trail distance
- Too tight: normal pullbacks stop you out, and you miss the bigger move.
- Too wide: you give back a large share of profits.
- A practical starting point: 2–3× the average true range (ATR) on your trading timeframe, then test it.
- Backtest your exits, not just your entries. Exit rules often change results more than entry tweaks. See what is backtesting.
Combining with targets
Many traders take partial profits at a first target (for example 2R), then trail the rest. That locks in gains and leaves a runner for trend days.
Limitations
- Gaps: overnight gaps jump right past trailing stops.
- Extended hours: many brokers don't trigger stops outside regular sessions.
- Choppy markets: trailing stops get whipsawed in ranges.
- Server-side vs client-side: make sure your trailing stop lives on the broker's server, so it still works if your platform or connection fails.
TRADZY's analytics show how much of each winner's peak open profit you actually keep (maximum favourable excursion vs exit), which is the clearest way to tell if your trail is too tight or too loose.
FAQ
What is a trailing stop loss?
A stop order that moves up (for longs) or down (for shorts) as price moves in your favour, by a fixed amount or percentage, and never moves back.
What is a good trailing stop percentage?
It depends on the asset's volatility. Many traders use 2–3× ATR rather than a fixed percentage, then test what works for their strategy.
Do trailing stops work overnight?
They stay active, but if price gaps past the stop at the open, the order fills at the next available price. That can be much worse than the stop level.
Is a trailing stop better than a fixed stop?
They serve different purposes. A fixed stop defines initial risk. A trailing stop manages profits once the trade works. Many traders use both.
Can I use trailing stops for day trading?
Yes, often with tighter trails based on intraday ATR or short-term structure, but they can get whipsawed in choppy sessions.
Put This Into Practice
- Score your next setup 0–100 with the Void Engine before entering
- Log the trade and tag the setup in the TradLog
- Review weekly: keep what pays, cut what doesn't
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Educational content, not financial advice. Trading involves substantial risk of loss.