What Is a Trailing Stop, How Does It Work and How Can You Use One?

What Should Traders Remember?

• A trailing stop tracks favourable price movements by keeping a stop loss at a specified distance as the position moves into profit.
• A trailing stop adjusts only when the trade benefits; if the market moves against the position, the stop remains at its latest level.
• Choosing the trailing distance involves a trade-off: a narrow distance risks an exit during routine fluctuations, while a wider distance allows more profit to be surrendered.
• The exit price on a trailing stop is not guaranteed: execution takes place at the next available price, which may be less favourable because of slippage or a gap.
• Trailing stops on MT4 and MT5 require the desktop platform to remain open, as the trailing function operates within the platform rather than on the server.

What Does a Trailing Stop Do?

By following a profitable position, a trailing stop helps protect gains as the market moves favourably. Also known as a trailing stop loss, this mechanism automatically adjusts the stop loss while maintaining a predetermined distance from the market price. Depending on the platform and order type, traders can specify that distance in pips, points or percentage terms.

Favourable market moves cause a trailing stop to adjust, but a reversal leaves it at its existing level. A conventional stop loss, by contrast, remains at the chosen price until the trader changes it manually.

Consider a EUR/USD purchase at 1.1000 with a trailing distance of 30 pips. As the pair advances, the stop can rise with it, helping to preserve gains if the market later declines. Platforms differ in how they handle this process: the built-in trailing function on MT4 and MT5 becomes active only after a favourable move equal to the specified distance.

With a regular stop loss, the level selected at entry does not change. A trailing stop begins in the same manner, then progressively follows the price as the position becomes profitable. After it moves beyond the entry price, the stop level represents a profit, though gaps or slippage can still produce a less favourable actual exit.

Loss control and profit protection are the two purposes of a trailing stop. If the position moves against the trader immediately, it limits the loss; if the trade first gains and then reverses, it locks in profit. Looking at the sequence of adjustments explains why the stop does not move backwards.

How Does a Trailing Stop Adjust?

Initially positioned one trailing distance from entry, a trailing stop loss follows the most favourable price achieved by the trade. A reversal leaves the stop fixed. For a buy position, the process has five stages.

1. Choose the trailing distance as either a percentage of price or a specified number of pips or points.
2. Position the initial stop loss one trailing distance beneath the entry price, as with a regular stop.
3. Each price advance allows the stop to track the highest level recorded since entry, maintaining the chosen distance below that peak.
4. A retreat from the peak leaves the stop at its latest level.
5. The position closes if the decline reaches the trailing stop.

Beginners often overlook which price serves as the reference. It is the highest level achieved since entry, not simply the latest market price. A pullback therefore leaves the stop unchanged; another upward adjustment requires a fresh high.

The stop can consequently move only towards profit, with a pullback being the point at which it is most likely to trigger. For a sell position, these five stages operate in reverse.

How Do Trailing Stops Differ for Long and Short Trades?

For a long, or buy, position, the stop remains beneath the market and adjusts upwards only. For a short, or sell, position, it stays above the market and adjusts downwards only, tracking the lowest price recorded after entry.

Suppose a trader opens a hypothetical long position in AUD/USD at 0.6600, selecting a trailing distance of 30 pips. The initial stop is then 0.6570. A rise to 0.6650 lifts the stop to 0.6620.

Now consider a hypothetical AUD/USD short opened at 0.6600 with the same 30 pip distance. Its initial stop is 0.6630. A decline to 0.6550 brings the stop down to 0.6580, where it remains if the market rebounds. In both cases, the trailing stop ultimately closes the position, although execution does not always occur at the stop level.

What Happens After a Trailing Stop Triggers?

Reaching the stop level triggers an exit at the next available price, just as a conventional stop loss does. The level is therefore a trigger rather than an assured execution price. Two factors can result in a worse fill.

• Slippage occurs when a fast-moving market has already taken the next available price beyond the stop, resulting in an exit a few pips less favourable than intended.
• A gap occurs when the market jumps over the stop without any intervening trades, such as across a weekend or following major news. Execution can then be substantially worse than the stop level.

Risk can be limited with a trailing stop, but neither the exit price nor protection against every loss is assured. On some platforms, an alternative called a trailing stop limit gives control over the execution price.

How Does a Trailing Stop Compare With a Trailing Stop Limit?

Execution at the next available price distinguishes a trailing stop from a trailing stop limit. Once triggered, the latter becomes a limit order, preventing a fill worse than the limit price. However, a move beyond that limit may prevent execution altogether, leaving the position open as its loss increases.

Stock brokers are the main providers of trailing stop limit orders. The help documentation for MetaTrader's MT4 and MT5 covers only the standard trailing stop, which remains the focus of this guide. The following worked example puts numbers to that standard order.

How Does a Trailing Stop Work in a Trading Example?

Profit protection becomes clearer in an example where the stop advances with new highs but holds steady during a retreat. Assume a trader makes a hypothetical purchase of a share CFD at $200, using a trailing stop of 10%.

Fresh highs at $220, $250 and $260 produced three upward stop adjustments. The retreat to $235 did not alter the $250 high, leaving the stop at $225. After the market reversed from $260 to $234, the stop closed the position with a profit of approximately $34 per share, or 17%, before costs and slippage.

For comparison, a fixed stop loss set at $180 would remain there even after the same reversal, securing none of the unrealised gain. Leaving that fixed stop at $180 makes the distinction between the orders particularly clear.

What Separates a Trailing Stop Loss From a Stop Loss?

With a stop loss, the selected price remains fixed. A trailing stop loss instead follows favourable price changes, securing profit as the position gains.

Since both orders execute at the next available price after triggering, neither provides an assured exit price. Nor is either universally preferable. Defining the maximum loss at entry suits a conventional stop loss, while following a trend after a position becomes profitable suits a trailing stop.

A common approach is to open with a regular stop loss, then adopt a trailing stop after the position moves into profit. There are several methods of measuring the trailing distance, each suited to different market conditions.

Which Trailing Stop Strategies Are Available?

The way the distance is determined separates the different trailing stop strategies. Choices range from a fixed percentage or pip count to distances derived from an indicator or chart structure.

How Does a Percentage Trailing Stop Adjust?

For a buy position, a percentage trailing stop maintains a specified percentage beneath the highest price. Its monetary distance therefore increases as the market rises: at 10%, it is $20 below a high of $200, but $26 below a high of $260. Shares and indices are common applications. However, the 10% setting stays the same whether trading is quiet or highly volatile.

How Does a Fixed Pip or Point Trailing Stop Work?

Keeping the stop a specified number of pips or points behind the price is the most widely used approach to trailing distances among forex traders. Take a hypothetical GBP/USD buy at 1.2700 with a trailing stop of 40 pips.

Points are the unit used for trailing distances on MT4 and MT5. For major pairs including EUR/USD and GBP/USD, TMGM uses 5-digit quotes: 10 points therefore equal 1 pip, making a 40 pip trailing stop equivalent to 400 points. Because a fixed pip count does not adjust for volatility, a distance of 40 pips may be too narrow on an active trading day.

How Does an ATR Trailing Stop Reflect Volatility?

To determine its distance, an ATR trailing stop uses a multiple of the average true range (ATR). This indicator measures the market's typical movement across a specified number of periods. Greater market movement raises ATR, while quieter conditions reduce it, allowing the trailing distance to expand or contract with volatility. The trade-off is having another indicator and its parameters to select.

When Does a Moving Average Trailing Stop Trigger?

An exit occurs under a moving average trailing stop when the price closes beyond the selected moving average, for example a 20 period moving average. The close must be below the line for a buy position or above it for a sell position. By smoothing minor fluctuations, the average allows the position to remain open through small pullbacks. Its slower response to rapid moves, however, can surrender more profit before the exit.

How Can Support and Resistance Guide a Trailing Stop?

Using support and resistance to trail a stop involves manually placing it just beyond the latest swing point. For buys, this means below each successive higher low; for sells, above each successive lower high. A higher low is a dip that ends above the preceding dip. Market structure thus supplies a logical stop location, but the trader must decide which swing points matter and update the stop loss manually.

What Should Determine Your Trailing Stop Loss Distance?

Avoiding exits caused by routine fluctuations requires a trailing distance beyond the market's normal swings. No one distance is best for every market or trade.

The choice always involves a balance. Set the distance too narrowly and an ordinary pullback can close the position before the trend has played out. Set it too widely and the position stays open longer but surrenders a substantial share of its profit before triggering. Three considerations help determine the distance.

• Market volatility indicates the typical movement over a day or session. Larger swings call for a wider trailing distance.
• The trade's timeframe affects what counts as a normal movement: positions held for hours experience shallower pullbacks than those held for days.
• Typical pullback depth indicates the usual extent of a retreat within a trend. The trailing distance should extend beyond that depth.

Sources differ considerably on suggested trailing stop percentages. Rather than prescribe fixed figures, the table links common conditions with relatively wider or tighter distances.

Choose the distance before opening the position. When selected during a trade, it is often tightened instinctively as gains build, increasing the likelihood of a premature exit.

Using a trailing stop does not itself prevent premature exits. As profits increase, the stop only advances towards the price; repeated early exits therefore call for a wider distance from the outset. First try the distance on a demo account to assess how frequently routine movements reach the stop in your chosen market.

Without a market trend, even a carefully selected distance can perform poorly.

Which Markets Suit a Trailing Stop?

Allowing profits to build while protecting accumulated gains is generally easier in a trending market, making it better suited to a trailing stop strategy. Such markets continue to form higher highs or lower lows, and the stop follows favourable movements as the trend develops. Every fresh high lifts the stop and secures additional profit.

Range-bound trading presents a different picture. As the price moves repeatedly in both directions within the range, modest moves can trigger the stop, often producing a small gain or loss.

Automatic adjustments also make a trailing stop useful when watching the screen is not possible. For MT4 and MT5, however, those adjustments require the desktop platform to remain open. How well the stop matches market conditions determines how its benefits and limitations play out.

What Are the Benefits and Drawbacks of a Trailing Stop?

Keeping profitable trades open while securing gains is the appeal of a trailing stop loss. Against that, routine fluctuations may force an early exit, and execution at the stop price is never assured.

Profit protection is the principal benefit. In the share CFD example with an entry at $200, approximately $34 per share was secured by the trailing stop, whereas a fixed stop loss at $180 would not have protected that gain. Premature closure is the main drawback: a narrow distance can end an otherwise good position during an ordinary pullback, just before the trend resumes.

Choosing an appropriate distance requires basic technical analysis, including an assessment of the market's typical swing size. Continue reviewing open positions regularly even when a trailing stop is active, since news, gaps and platform problems can still affect the outcome. Where the order suits the position, MT4 and MT5 provide a few-click setup from the open trade.

How Can You Configure a Trailing Stop in MT4 and MT5?

For a trailing stop on MT4, use the open position's right-click menu in the Trade tab. Select Trailing Stop, then choose the distance in points.

1. Begin by opening a position and adding a conventional stop loss.
2. Go to the Trade tab within the Terminal window.
3. Use a right-click on the open position.
4. Select the menu option labelled Trailing Stop.
5. Select a preset point distance, or enter your preferred distance through Custom.

MT5 follows this procedure too, but uses the Toolbox window rather than Terminal. Each position permits only one trailing stop; selecting None removes the setting.

According to MetaTrader 4 Help and MetaTrader 5 Help, the desktop platform handles the trailing function on MT4 and MT5, not the broker's server. Continued adjustment therefore requires the platform to be both open and connected. Closing it leaves the most recently set stop loss on the server, but that level no longer moves.

Activation on MT4 and MT5 also requires the position's profit to reach the selected trailing distance. The platform then places a stop loss that distance from the current price. Before activation, protection comes from the regular stop loss established in step 1.

Broker help pages state that placing a trailing stop is not possible through the MT4 mobile app, so use the desktop platform for setup. A virtual private server (VPS) allows MT4 or MT5 to remain running when your computer is switched off. Different platform versions may use slightly different menu labels.

Trailing Stop Questions Answered

How Should You Interpret a 10% Trailing Stop?

For a buy position, selecting 10% keeps the stop 10% beneath the highest price recorded since entry. A share CFD advance from $100 to $150 would therefore lift the stop from $90 to $135. Suitability depends on normal market fluctuations: a quieter market may call for a smaller percentage, while a more volatile one may require a larger percentage.

Does a Trailing Stop Ever Reverse Direction?

For a buy position, the answer is no: its trailing stop moves upwards only, never back down. A sell position's stop moves downwards only. An adverse price move leaves the level unchanged until the market records a fresh high or low, or triggers the stop.

Can a Take Profit Be Combined With a Trailing Stop?

On most platforms, yes. Both can be attached to one position, with the first level reached closing the trade. Because take profit exits at a fixed profitable price, it limits gains that a trailing stop alone would otherwise allow to continue. Do not confuse this with a trailing take profit: that separate order follows the price to close a profitable position and is not available on every platform.

Is There a Best Indicator for a Trailing Stop Loss?

There is no universally best indicator, although ATR and moving averages are the most widely used options. With ATR, volatility determines the distance. With a moving average, a price close beyond the line provides the exit signal.

Is a Trailing Stop Loss Suitable for Beginners?

Yes, provided they first understand the operation of a regular stop loss. Start with practice on a demo account to observe how the chosen distance responds to actual market conditions. For MT4 and MT5, keep in mind that continued trailing requires the desktop platform to stay open.