Glossary · PSX Mechanics
Stop-Loss Order
An instruction to sell a security when it reaches a specified price, automatically limiting the investor's loss on a position.
What is Stop-Loss Order?
The definition — and what it means in practice.
A stop-loss order is an instruction to sell a security once its price reaches a pre-set “stop” level. When the stop price is touched, the order is triggered and sent for execution, aiming to cap the loss on an existing holding. It is commonly used as a risk-control tool for long positions. A stop-loss focuses on price, not on company fundamentals or time held.
Stop-loss orders matter because market moves can be fast, and you may not be watching the screen during trading hours. By deciding your exit level in advance, you reduce the chance that a small decline becomes a much larger loss. It also helps enforce discipline: you define the maximum downside you are willing to tolerate per share, then let the order handle execution when the market reaches that level.
If you bought at Rs 100 and set a stop-loss at Rs 90, your sell instruction triggers if the price falls to Rs 90, helping limit your loss.
- A stop-loss is an automatic sell trigger set at a chosen price level.
- It is designed to limit downside on an existing position, not to maximise profits.
- The trigger price is your choice; execution depends on available liquidity at that time.
- Using stops can reduce emotion-driven decisions during volatile moves.
How Stop-Loss Order works on the PSX
The Pakistan-specific rules, conventions, and numbers.
On the Pakistan Stock Exchange (PSX), a stop-loss is a practical way to manage risk when you cannot monitor prices throughout the trading day. You place the instruction through your broker’s trading system, and it triggers when the specified price level is reached during market hours. This is especially relevant for retail investors who may trade alongside work or other commitments.
Daily price limits (circuit breakers) on most PSX equities are typically ±10% or Re 1 around the previous close (LDCP), whichever is higher. That means a stock may not trade beyond its limit in a single session, which can affect how quickly a stop level is reached. Even when triggered, the sale still depends on normal trading in the market and the available buyers at the time.
Common misconceptions
Where investors most often get this wrong.
A stop-loss guarantees I will sell exactly at my stop price.
A stop-loss triggers a sell when the stop level is reached, but the actual execution can differ depending on liquidity and order matching.
Stop-loss orders are only for short-term traders.
Long-term investors can also use them as a risk-management tool to cap downside on specific holdings, especially in volatile periods.
Setting a stop-loss removes all risk from the position.
A stop-loss can limit losses, but it cannot eliminate market risk. Prices can move quickly and execution depends on trading conditions.
Using Stop-Loss Order on BSL
Where this term shows up across the platform — with live data.
- Review market movers and plan risk levels using Market overview.
- Compare trading activity before placing orders with Most active.
- Track stocks near key levels via Near 52-week low.
- Learn how leverage can amplify losses in Leverage.
Frequently asked questions
What investors ask about Stop-Loss Order on the PSX.
A stop-loss order is an instruction to sell a PSX-listed security when it reaches a specified price. The goal is to automatically limit losses if the price falls to your chosen level.
No. The stop price is the trigger level. Once triggered, the sale depends on market matching and liquidity, so the execution price can be different from the stop level.
A stop-loss is triggered when price reaches a specified level and then becomes a sell instruction for execution. A limit order is placed to buy or sell only at a specified price or better and may not execute if the market does not reach it.
Yes. Most equities have daily price limits around the previous close (LDCP). If a stock hits its limit, price movement and trading behaviour around that level can affect when your stop is reached and how easily the order can be executed.
They can be. A long-term investor may use a stop-loss to define an acceptable downside on a particular holding, especially during periods of high volatility, while still keeping a broader, long-term plan for the portfolio.
Related terms
Keep building the picture.
An instruction to buy or sell a security at a specific price or better. The order is only executed if the market reaches the specified price, giving the investor control over the execution price.
An instruction to buy or sell a security immediately at the best available current price. Guarantees execution but not the price at which the trade is filled.
The process of identifying, assessing, and controlling potential losses in an investment portfolio. Includes position sizing, stop-loss orders, diversification, and hedging.
The degree of price fluctuation in a security or market over a given period. High volatility means prices move sharply and unpredictably. Low volatility indicates steadier, more predictable movement.
A regulatory mechanism that temporarily halts trading in a security or the entire market when prices move beyond a defined threshold. On the PSX, individual stocks generally have upper and lower price limits of 10% or Re 1, whichever is higher, per session to prevent extreme volatility.
The ease with which a security can be bought or sold without significantly affecting its price. High-liquidity stocks have large trading volumes and narrow bid-ask spreads.
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