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What is Slippage in Trading?

Image Written by: Demetris Makrides

Written by:

Demetris Makrides

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12 minutes


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May 15, 2024
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May 15, 2024
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Table of contents

    In the fast-paced world of finance, ‘slippage’ is a term that every trader encounters. Simply put, slippage is the difference between the price at which a trader expects to execute a trade and the actual price at which the trade actually occurs. This article aims to explain slippage, exploring its causes, such as market volatility and major news and economic reports, and how it affects different markets like stocks and forex. We will also look at practical ways traders can minimize slippage, such as using limit orders and choosing the right times to trade to enhance their trading strategies. Understanding slippage is essential for anyone involved in trading, as it can significantly impact the final trading costs and the success of trade execution.

    Understanding the Basics of Trading and Market Orders

    Before delving into the specifics of slippage, it’s crucial to understand the basic framework of trading and the types of orders that traders use in the financial markets. This foundational knowledge is key to comprehending how and why slippage occurs.

    The Mechanics of Trading

    Trading is the act of buying and selling assets like stocks, currencies, or commodities. It’s a dynamic process where market participants aim to buy at a lower price and sell at a better price, or vice versa, to make a profit. The price at which these assets are traded constantly fluctuates, influenced by many factors, including economic data, political events, and market sentiment.

    The Role of Liquidity

    Liquidity refers to how easily assets can be bought or sold in the market without affecting the asset’s price. High liquidity means there are many buyers and sellers, and trades can be executed quickly at stable prices. Conversely, low liquidity means fewer participants and potentially larger price swings, increasing the risk of slippage. In highly liquid markets, such as major currency pairs in the forex market, slippage is less common and typically less severe when it does occur.

    Understanding these fundamental aspects of trading and market orders sets the stage for a deeper exploration of slippage. The interplay between the type of order a trader chooses and the market’s liquidity can significantly impact the degree and frequency of slippage, affecting the overall success of trading strategies.

    Deep Dive into Slippage

    To fully understand the impact of slippage on trading, it’s essential to explore what it is and how it manifests in the financial markets. Slippage is common, but its dynamics can vary greatly depending on market conditions and the types of orders used.

    Understanding Positive Slippage vs Negative Slippage

    At its most basic, slippage refers to the difference between a trader’s expected trade price and the actual execution price of that trade. This discrepancy arises because of the time lag between when an order is placed and when it is executed. In fast-moving markets, prices can change within this brief interval, causing the final execution price to differ from the initially specified price.

    Understanding Positive Slippage vs Negative Slippage

    Slippage can work in two ways:

    • Positive Slippage: This happens when the execution price is better than the requested price. For instance, if a trader places a buy order and the market price drops just before the order is executed, the trader benefits by buying at a decreased and favourable price.
    • Negative Slippage: Conversely, negative slippage occurs when the execution price is worse than the requested price. For example, in a sell order, if the market price falls rapidly before the order is executed, the trader will sell at a lower price than anticipated.

    Slippage in Volatile Markets

    Volatility plays a significant role in slippage. Volatile markets are characterized by rapid and significant price movements, often driven by economic reports, geopolitical events, or market sentiment shifts. In such conditions, the price of an asset can change quickly, increasing the likelihood and extent of slippage. Traders looking to enter or exit positions during these times may find that the actual execution price deviates more significantly from their expected price.

    Slippage Percentage Formula

    The ever-changing nature of prices also contributes to slippage. The markets are fluid environments where various factors continuously influence asset prices. This fluidity means that slippage is always possible, even in less volatile conditions, as the market price at the moment of order execution may not exactly match the price the trader sees when placing the order.

    Slippage is an inherent trading aspect that can present risks and opportunities. Understanding its dynamics is crucial for traders, as it affects decision-making and the overall effectiveness of trading strategies. Let us now explore the causes of slippage and how traders can navigate this phenomenon in various market conditions.

    Causes of Slippage

    Causes of Slippage

    Understanding the causes of slippage is crucial for traders, as it helps develop strategies to manage or mitigate its effects. Several factors can contribute to slippage, each influencing the executed price of a trade in different ways.

    Market Volatility

    This refers to the speed and extent of price changes in the financial markets. In highly volatile markets, prices can swing wildly and unpredictably within short periods. This rapid fluctuation is a primary cause of significant slippage. For instance, during times of volatility, the price of a stock or currency pair might change dramatically between the time a trade order is placed and when it’s executed, leading to a substantial price difference between the expected and actual execution prices.

    High-Impact News Events

    Events that majorly impact the financial market, such as economic data releases, political announcements, or corporate earnings reports, can create sudden and sharp market movements. Traders often experience slippage during these periods as the market reacts and adjusts to the new information. For example, if a major economic report indicates a stronger economy than expected, it could cause a rapid increase in the value of a currency, affecting forex trading orders that are in the process of being executed.

    Low Liquidity

    Liquidity refers to the ability to buy or sell assets in the market quickly and without causing a significant price change. In markets or assets with low liquidity, there may not be enough market participants to absorb large orders without affecting the market price. This situation can lead to slippage because when a trade order is placed, the lack of sufficient buying or selling interest at the intended execution price can force the trade to be executed at a different price. For example, even a moderate-sized order could significantly impact the stock price in a thinly traded stock market.

    Large Orders

    The size of an order can also influence the likelihood and extent of slippage. Large orders, particularly in markets with low liquidity, can exhaust available orders at the desired price level, leading to execution at a different price. For instance, if a trader places a large buy order in a market with insufficient selling interest at the current price, the order may be filled at a higher price, resulting in slippage. This effect is more pronounced in markets where large orders represent a significant portion of the typical trading volume.

    By understanding these causes of slippage, traders can better anticipate when and why slippage occurs, paving the way for more informed trading decisions. Recognizing the interplay between market volatility, news events, liquidity, and order size is crucial in developing effective strategies to navigate this phenomenon. With this foundation, we will next explore the varied impacts of slippage across different markets, providing insights into how traders in diverse environments experience and respond to slippage.


    Slippage in Different Markets

    Slippage, while a universal aspect of trading, manifests differently across various markets due to their unique dynamics and characteristics. In stock markets, slippage frequently occurs during periods of high volatility and major financial news events, particularly impacting stocks with smaller market caps or lower trading volumes. Here, the gap between the expected and executed prices can widen, especially during market openings and closings.

    In contrast, the forex market, characterized by high liquidity and low volatility, typically sees less slippage. However, during major economic events or news releases, even this market can experience rapid price jumps, leading to slippage. Forex traders must be particularly cautious around these times to manage the risks of unexpected price changes.

    Cryptocurrency markets, known for their inherent volatility and often lower liquidity, can see significant slippage, especially with less established coins or during major news events affecting the crypto sector. The fast-paced nature of these markets demands careful consideration of entry and exit points to mitigate slippage risks.

    Understanding how slippage occurs in these different markets and the factors contributing to it—like market liquidity, order size, and timing around news events—is key for traders to strategize effectively and minimize unforeseen costs or losses due to the movement of prices. This knowledge paves the way for a deeper exploration into the impacts of slippage on trading strategies and the ways to manage it efficiently.

    Impact of Slippage on Traders

    Impact of Slippage on Traders

    The impact of slippage on traders can be significant, influencing both the outcomes of individual trades and overall trading strategies. This impact can manifest in both negative and positive ways, depending on the direction of the slippage and the market conditions.

    Negative Impacts of Slippage

    One of the primary concerns for traders regarding slippage is its potential to cause unexpected losses. This usually happens when the market moves rapidly in the opposite direction of the trader’s desired price. For example, in the case of a buy order, if the price rises sharply before the order is executed, the trader may have to buy at a price that is higher than anticipated. This situation is particularly challenging for stock or forex traders who operate in volatile markets, where rapid price movements are more common.

    Slippage can also lead to deviations from planned trading strategies. Traders often set specific entry and exit points based on thorough market analysis and predictions. However, slippage can disrupt these carefully laid plans, forcing traders to enter or exit trading positions at less favorable prices. This disruption can be especially problematic for strategies that rely on small movements for profitability, such as scalping.

    Positive Impacts of Slippage

    While slippage is often viewed negatively, it can also result in unexpected benefits. Positive slippage occurs when the execution price of a trade is more favorable than the expected price. For instance, a trader placing a sell order might find the order executed at a higher price if the market moves favorably in the brief moment between placing the order and its execution. This type of slippage, though less frequent, can provide traders with better-than-anticipated returns.

    The occurrence of positive slippage often depends on market conditions and the types of orders used. For example, in highly liquid markets, where orders are filled quickly, there might be more opportunities for positive slippage, especially if traders use limit orders to cap the worst price they’re willing to accept.

    Strategies to Minimise Slippage

    How to Reduce Slippage?

    Effectively managing and minimizing slippage is a key aspect of successful trading. Traders can adopt several strategies to reduce the impact of slippage on their trades. These strategies are particularly important for those involved in forex trading, stock markets, and other markets where slippage can significantly affect trading costs and outcomes.

    Trading in Highly Liquid Markets

    One effective strategy to minimize slippage is to trade in highly liquid markets. Markets with high liquidity typically have many buyers and sellers, meaning trades can be executed quickly and more likely at the desired price. For instance, major currency pairs in the forex market, such as EUR/USD or USD/JPY, usually offer high liquidity, thereby reducing the chances of significant slippage. Stock traders might focus on blue-chip stocks, which tend to have higher liquidity than smaller-cap stocks.

    Using Limit Orders

    Employing limit orders is another strategic way to control slippage. A limit order allows traders to specify the maximum price they are willing to pay when buying or the minimum price they are willing to accept when selling. This ensures that the trade is executed only at a price within the trader’s comfort zone, safeguarding against unexpected market movements and slippage. While this may mean missing out on a trade if the market does not reach the specified price, it offers greater control over the trade’s execution price, making it a valuable tool for managing slippage risk.

    Avoiding Trading During Major News Releases

    Major news releases and economic events can cause significant market volatility and increase slippage. Traders can reduce their exposure to slippage by avoiding trading during these periods. By planning their trades around the release of major economic data, central bank announcements, or significant political events, traders can steer clear of the times when markets are most unpredictable. This approach requires staying informed about the financial calendar and knowing when such news releases are scheduled.

    Implementing these strategies can help traders navigate the complexities of different markets and reduce the impact of slippage on their trades. While it’s impossible to eliminate slippage entirely, understanding how to minimize its occurrence can lead to more accurate and predictable trading outcomes. 


    Understanding and effectively managing slippage is essential for successful trading in the fluctuating realms of stocks, forex, and cryptocurrencies. This article has illuminated the causes, effects, and strategies to mitigate slippage, emphasizing the importance of trading in liquid markets, using a limit order or a market order, and being cautious around market-moving news events. Armed with this knowledge, traders can better navigate the intricacies of financial markets, reducing unexpected costs and enhancing their trading strategies. Ultimately, mastering the concept of slippage is a key step towards more informed, efficient, and successful trading outcomes.

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