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What is a stop loss order?

Understanding Stop Loss Orders in Stock Trading

In the realm of stock trading, a stop loss order is a crucial tool that traders employ to manage and mitigate potential losses. Here’s a comprehensive breakdown of what a stop-loss order is and how it functions.


A stop-loss order is a directive provided to a broker to execute the purchase or sale of a certain stock when it reaches a pre-established price, referred to as the stop price. The main objective of this is to restrict the potential loss that an investor may incur on a security position.

How It Operates


Once the stock reaches the specified stop price, the stop-loss order is triggered.

Conversion to Market Order:

After activation, the stop loss order becomes a market order, meaning it will be executed at the next available market price.


For instance, if an investor purchases a stock at $100 and sets a stop-loss order at $90, the stock will automatically be sold if its price drops to $90 or below.

Key Distinctions

Stop-Loss vs. Stop-Limit Orders:

While a stop loss order sells at the best available price after reaching the stop price, a stop-limit order specifies a price limit and will only execute at that price or better. This means a stop-limit order might not always be executed, especially in fast-moving markets.

Application for Long and Short Positions:

While most associate stop loss orders with long positions (buying a stock), they can also be used to protect short positions (selling a stock you don’t own). In this scenario, the order would trigger a buy to cover the short position if the stock’s price rises to a certain level.


Risk Management:

Stop loss orders help traders manage their risk by automatically selling a stock that’s moving against their position.

Emotion-Free Trading: 

It removes emotions from the decision-making process, ensuring that traders stick to their predetermined strategy.

Flexibility with Trailing Stops:

Traders can combine stop loss orders with trailing stops. A trailing stop adjusts the stop price as the stock price moves, allowing traders to lock in profits while still being protected from downside risk.

Potential Drawbacks

Price Gaps: 

If a stock’s price experiences a significant gap down, the stop loss order could execute at a much lower price than anticipated.

Market Volatility: 

In a volatile market, a stock’s price might briefly dip to the stop price, triggering the sale, only to rebound shortly after.


A stop loss order is an essential tool in a trader’s toolkit, offering a safety net against adverse market movements. While it doesn’t guarantee a specific sale price, it provides a mechanism to limit potential losses automatically. As with all trading strategies, it’s vital to understand the tool’s nuances and employ it judiciously.