Trailing Stop Loss on Bursa Malaysia: How It Works

The Problem Every Bursa Trader Knows

You buy a counter at RM1.20. A week later it hits RM1.45. You feel good, but also anxious. Sell now and a 20% gain is safely in your pocket. Hold on and it might reach RM2.00 - or it might slide back to RM1.20 and every ringgit of that gain disappears.

Most investors end up making one of two mistakes. Some sell at RM1.28 because they cannot stand watching the price swing, then watch the counter run to RM2.10 without them. Others hold forever, let RM1.45 fall back to RM1.05, and finally sell at a loss. Both mistakes come from the same root cause: no exit rule decided in advance.

A trailing stop is the mechanical answer to this problem. It is not a magic indicator and it will not sell you the exact top. What it does is move the exit decision out of your emotions and into a rule you set before you ever entered the position.

Short Answer: What Is a Trailing Stop?

A trailing stop is a stop loss that moves up with the price but never moves back down. As long as the price rises, your stop level is pulled up with it, locking in part of your gain. When the price falls, the stop stays where it last sat, and you exit when the price touches that level.

Here is the simplest example. You buy at RM1.20 with a 12% trailing stop. Your initial exit level is RM1.056. The price rises to RM1.45, so the exit level moves up to RM1.276. It rises again to RM1.60 and the level moves to RM1.408. Then the price drops to RM1.50, RM1.45, RM1.40 - your stop stays at RM1.408 and you exit there with roughly a 17% gain instead of riding it all the way back to RM1.20.

How a Trailing Stop Differs from a Regular Stop Loss

A regular stop loss is a fixed level. You set it once and it stays there for as long as you hold the position. It does exactly one job: cap your loss. It protects your capital, but it does nothing to protect gains you have already earned.

A trailing stop does two jobs at once. Early in the trade it behaves exactly like a regular stop loss and caps your downside. Once the price has moved up, it changes role and becomes a profit-locking tool. This is why experienced traders treat the trailing stop as an upgrade to the stop loss rather than a replacement.

One thing must be clear: a trailing stop does not remove the need to know how many units you should buy in the first place. If your position size is too large, even the tightest trailing stop will not save your account. We covered how these two work together in Stop Loss & Position Sizing: How to Protect Your Capital Before Buying Stocks.

Five Types of Trailing Stop and When to Use Each

A trailing stop is not one single thing. It is a concept, and there are at least five different ways to calculate the level. Each has its own character and best use case.

1. Fixed Percentage

You set a percentage, say 10%, and the stop always sits 10% below the highest price reached since you entered. This is the easiest method to understand and the easiest to calculate without any software.

Its weakness is that it is blind to the character of the counter. Ten percent on Maybank is a large move that rarely happens in a single day. Ten percent on an ACE Market penny counter might just be an ordinary Tuesday. Use this method if you are starting out and want something simple, but adjust the percentage per counter rather than applying one number to everything.

2. ATR and the Chandelier Exit

This method accounts for the counter's actual volatility. Average True Range (ATR) measures the average size of price movement over a given period. The Chandelier Exit, developed by Chuck Le Beau, uses ATR to place the stop at a sensible distance below the highest high.

The formula: stop level = 22-day highest high minus (3 x 22-day ATR). According to StockCharts ChartSchool, the 22 setting was chosen because there are typically about 22 trading days in a month. The multiplier of 3 can be adjusted - smaller means a tighter stop, larger means you give the trade more breathing room.

The strength of this method is that it adapts on its own. Volatile counters automatically get a wider stop, quiet counters get a tighter one. Corporate Finance Institute describes the core idea as keeping the stop at a safe distance from market noise while staying close enough to lock in some profit. We wrote an introduction to this indicator in Technical Analysis Series - ATR / Chandelier Exit.

3. Parabolic SAR

Parabolic SAR was created by Welles Wilder specifically as an exit management tool, not an entry signal. It plots dots below the price during an uptrend, and those dots rise a little each day. You treat the most recent dot as your stop level.

Its distinguishing feature is the acceleration mechanism. The longer the trend runs and the more new highs are recorded, the faster the SAR dots climb toward the price. That means your stop tightens as the trend matures, which makes sense, because a trend that has already run a long way carries more reversal risk. The full explanation of how to read it and configure the settings is in Parabolic SAR Indicator Explained: Reading the Dots, Settings & Trailing Stops.

4. Moving Average Based

This is the easiest method to apply directly on a chart. You pick a moving average - usually the 20-day SMA for swing trading or the 50-day SMA for longer trends - and you stay in the position as long as the closing price is above that line. When it closes below, you exit.

This is the method we use in one of the setups described in 3 Most Reliable Trading Setups on Bursa Malaysia, where the 20-day SMA that also serves as the middle Bollinger band acts as the trailing stop after a breakout. The advantage: one line, one rule, no arithmetic. The drawback: moving averages lag, so you will give back part of your gain before the exit signal arrives.

5. Swing Low Based

This is a price structure method rather than an indicator. You place the stop slightly below the most recent valid swing low. Every time the price forms a new higher low, you pull the stop up beneath it.

This method respects the actual structure of the trend, since the very definition of an uptrend is a series of higher highs and higher lows. The drawback is that it requires judgement - you have to decide which swing lows are valid and which are just noise. For traders comfortable reading charts, this is often the most accurate method.

Choosing Between Them

New to this, blue chip counters: fixed percentage, 8% to 12%.
Volatile or penny counters: ATR / Chandelier Exit, so the distance adapts itself.
Strong fast trend, want aggressive profit locking: Parabolic SAR.
Swing trading, cannot watch daily: 20-day or 50-day SMA.
Experienced chart reader: swing low.

Stone staircase ascending in warm morning light, representing a trailing stop that only moves upward — The core principle of a trailing stop: one direction only. Up is allowed, down never is.

The Bursa Malaysia Reality: Most Platforms Have No Automatic Trailing Stop

This is the part other articles rarely mention, and you need to know it before trying to implement any of the above.

On most Bursa Malaysia trading platforms, a trailing stop is not an order type that exists. What you get is Market Order, Limit Order, Stop or Stop-Limit Order, plus validity periods such as Day, GTD and GTC. The full list and when to use each is in Stock Order Types on Bursa Malaysia: Market, Limit, GTC & Stop-Limit. Notice that trailing stop is not on that list, and that is not an oversight.

That means for most Bursa counters you have to run the trailing stop manually. The process looks like this:

After the market closes, calculate your new stop level using whichever method you chose - the latest SAR dot, the Chandelier Exit level, the 20-day SMA price, or the most recent swing low.
Compare it with your current stop level. If the new one is higher, move it up. If it is lower, leave it alone.
Cancel your old stop order and submit a new one at the updated level, or amend the existing order if your platform allows it.

This takes about five minutes a day. It sounds like a chore, but it has a hidden advantage: because you only update once a day after the close, you are insulated from meaningless intraday spikes.

Some platforms do support trailing stops natively. moomoo Malaysia's documentation explains that they offer trailing stop orders with two parameter options - a fixed trailing amount or a trailing ratio expressed as a percentage - for Malaysian, US, Singapore and Hong Kong stocks. One limitation is worth noting: this order type can only be used to close an existing position, not to open a new one.

Using TradingView to Calculate the Level

TradingView does not execute orders for Bursa counters, but it is the best tool for calculating your trailing stop level each day.

For the Chandelier Exit, open your counter's chart, click Indicators, search for "Chandelier Exit" and add it. The defaults are usually 22 with a multiplier of 3. The green line below the price is your stop level for a long position.

For Parabolic SAR, search for "Parabolic SAR" in the indicator list. The base settings are a step of 0.02 and a maximum of 0.2. The most recent dot below the price is your stop level.

The most useful step is setting an alert. Right-click the chart, choose Add Alert, and set the condition to "Crossing Down" between the price and your indicator line. That way you do not need to open the chart daily - TradingView notifies you when the level breaks, and you simply submit a sell order the next session.

How to Choose the Right Trailing Distance

This is the single most important decision in the whole process, and it cannot be guessed.

The basic rule: your trailing distance must be wider than the counter's daily noise but narrower than a genuine trend reversal. Too tight and ordinary fluctuations will shake you out. Too wide and you give back too much before exiting.

The most objective way to set it is to use ATR as a benchmark. If a counter's 14-day ATR is 5 sen and the price is RM1.50, the counter moves roughly 3.3% a day on average. A 3% trailing stop on that counter is suicide - you will be triggered within two days. A sensible distance is 2 to 3 times ATR, which is 10 to 15 sen, or roughly 7% to 10%.

Compare that with a blue chip whose ATR is only 1.2% of its price. For that counter a 10% trail is far too loose and you give back gains for no reason. Four to six percent fits better.

The takeaway is simple: do not use one number for every counter. A portfolio holding both Maybank and an ACE Market counter needs two very different trailing distances.

Five Big Mistakes That Ruin a Trailing Stop

Mistake 1: Setting It Too Tight

This is the most common and most expensive error. A trader sets a 3% trail on a counter that moves 4% a day, then wonders why they get stopped out almost every time. What makes it worse is that they usually watch the counter continue higher right after they exit. If you are frequently stopped out and then regret it, the problem is almost certainly the distance, not the method.

Mistake 2: Moving the Stop Back Down

This is the cardinal sin of trailing stops, and it destroys the entire purpose of the tool. The price drops toward your stop, anxiety kicks in, and you think "let me lower it a bit, give it some room". The moment you do that, you have converted a mechanical system into hope.

A trailing stop moves in one direction only. Up is allowed, down never is. The tendency to loosen stops when losing but tighten them when winning is a well-documented psychological bias, which we covered in Prospect Theory: Why You Cut Winners Short but Let Losers Run.

Mistake 3: Using a Trailing Stop in a Sideways Market

A trailing stop is a trend tool. In a flat market where price oscillates within a narrow range, it will trigger repeated exits with no meaningful gain to lock in. You end up paying brokerage several times for nothing.

Before using one, confirm the counter is actually trending. A quick check: look for higher highs and higher lows, or use ADX above 25 as a filter. If the counter is going sideways, use a fixed stop loss and a fixed price target instead.

Mistake 4: Using Intraday Prices Instead of Closing Prices

If you calculate the trail from intraday highs and trigger exits on intraday touches, you will be stopped out far more often. A three-minute spike caused by one large order can sweep your stop.

For most retail investors on Bursa, it is better to use the closing price as the basis for the decision. A close below the level counts as a valid exit signal. This reduces whipsaws substantially and fits a swing trading style where you are not watching the screen all day.

Mistake 5: Forgetting Transaction Costs

Every time the trailing stop triggers an exit and you re-enter, you pay brokerage, clearing fees and stamp duty twice. If your method triggers eight times a year on one counter, those costs can eat a large share of your gains. A trailing distance that is too tight is not just psychologically draining, it is expensive.

The Real Limitation: It Does Not Protect You from Gaps

This part must be understood before you lean too heavily on trailing stops.

A trailing stop only works when the price actually trades through your level. If the price jumps straight past it without trading there, you exit far below where you planned.

The most common scenario on Bursa: your counter releases a poor quarterly report after the close. The next morning it opens 22% lower. Your RM1.408 trailing stop means nothing - the first trade happens at RM1.10, and that is the price you get. The same thing can happen with an unexpected corporate exercise announcement, a counter being classified as designated, or a trading suspension.

Bursa Malaysia does have control mechanisms. According to the Bursa Malaysia Circuit Breaker FAQ, the circuit breaker triggers when the FBM KLCI falls 10%, 15% and 20% within a trading day, alongside static and dynamic price limits for index component stocks. But understand that these mechanisms slow a decline at the market level; they do not stop an individual counter from opening far lower after bad news.

The practical conclusion is clear: position sizing remains your first line of defence, not the trailing stop. If one counter is 40% of your portfolio, a 25% gap down destroys 10% of your total capital in a single morning no matter how neatly your trailing stop was set. If that counter is only 5% of the portfolio, the damage is 1.25% and you are still in the game. A trailing stop manages orderly exits; position size manages disasters. You need both.

When You Should Not Use a Trailing Stop

Trailing stops are not for every investor or every style.

If you are a long-term investor buying dividend counters to hold for ten years, a trailing stop will pull you out of good positions every time the market has a serious correction. You then have to buy back higher, or worse, never buy back at all. For that approach, a broken fundamental thesis is a more accurate sell signal than a price move.

If you trade very thin counters where the bid-ask spread is wide, trailing stops are also problematic. Your exit order may fill well below your intended level simply because there are not enough buyers.

Trailing stops work best for swing trading and momentum strategies, where you fully expect the trend to end one day and your job is simply to capture the middle of it.

FAQ: Common Questions About Trailing Stops

Does M+ Online have an automatic trailing stop function?
The order types available for Bursa counters are Market, Limit, Stop or Stop-Limit, with Day, GTD and GTC validity. Trailing stop is not a separate order type, so it has to be run manually by updating your stop order. Confirm with your broker, as platform features change over time.

What is the best trailing stop percentage?
There is no single best number for every counter. It depends on volatility. Use ATR as your guide - a distance of 2 to 3 times ATR is usually reasonable. For blue chips that might be 4% to 6%; for small volatile counters it might be 10% to 15%.

Can I use a trailing stop for US or Hong Kong stocks?
Yes, and it is actually easier because most platforms offering overseas markets support trailing stop orders natively. The principle for choosing the distance stays the same - adjust it to that counter's volatility.

Is a trailing stop better than a fixed price target?
Both have their place. A fixed target suits catalyst-driven trades where you have a clear price expectation. A trailing stop suits trend-following trades where you do not know how far it can run. Many traders combine the two: sell half at the first target and trail the remainder.

Do I need to update my trailing stop every day?
For most swing traders, once a day after the market closes is enough. Updating more often during trading hours only increases the chance you react to short-term noise.

What happens if my counter is suspended from trading?
Your stop order will not execute during a suspension. When trading resumes, the opening price can be well below your stop level. This is part of the gap risk that no type of stop order can avoid.

Does a trailing stop guarantee I will not lose money?
No. A trailing stop reduces the chance that a large gain turns into a loss, but it does not eliminate risk. Gap downs, illiquid counters and trading suspensions can all cause you to exit far below your intended level.

Conclusion

A trailing stop solves one specific problem: it stops gains you have already earned from turning back into losses, without forcing you to sell too early. The key is not picking the most sophisticated method, but choosing a distance that matches the counter's volatility and then sticking to it without ever moving it down.

Remember its limits too. A trailing stop manages orderly exits, not disasters. To protect yourself from a gap down after bad news, correct position sizing is your real defence.

Once you understand how to manage exits, the next step is having a platform to execute them on.

You can open a CDS and trading account that lets you invest in Bursa Malaysia as well as overseas stocks such as US and Hong Kong.

For a stronger foundation before you start, download our free stock market basics ebook.

Trailing Stops Explained: How to Lock In Gains on Bursa Malaysia