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      Table of contents

      • Stock Screener Definition
      • Stock Screener Pros and Cons
      • Key Features of a Stock Screener
      • Stock Scanner vs. Stock Screener
      • Wrapping up and Next Steps
      • Stock Screener FAQ

      Academy Center > Stocks

      Stocks Beginner

      What Is a Stock Screener?

      written by
      Sara-Jayne Slack
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      Wealth Management, Personal Finance

      SEO Specialist (UK Market) | Investing.com

      BA & MA in English Studies, University of Leicester | Financial Markets and Investment Management, University of Geneva

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        | Edited by
        Rachael Rajan
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        Financial Markets Copyeditor - Investing.com

        Rachael has a Bachelor’s degree in mass media from Wilson College, Mumbai and a Master’s degree in English from Pune University.

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        | updated February 27, 2025

        It’s common for investors at the start of their stock-picking journey to suffer from a sense of ‘choice paralysis’. With more than 30,000 worldwide equities to choose from, sifting through them all one by one to see if they match your predefined criteria simply isn’t feasible.

        If you’ve ever felt this way and you’re ready to take control of your investments without getting lost in jargon or overwhelmed by options, let’s dive into how stock screeners work and why they’re soon to become your new best friend/assistant in your investing journey.

        Learn More 📜 With Our Stock Screener Course

        1. What Is A Stock Screener? <– You Are Here
        2. Why Use A Stock Screener?
        3. How To Use The Investing.com Stock Screener
        4. Basic Stock Screening: Exploring Different Markets
        5. How To Use Pre-Defined Stock Screeners
        6. Stock Screeners: How To Use Important Financial Metrics
        7. Stock Screeners: Customizing Financial Health And Risk Metrics
        8. Stock Screeners: Profitability and Efficiency Metrics
        9. How To Create Custom Stock Filters
        10. Key Metrics and Indicators for Growth Stocks
        11. Key Metrics and Indicators for Dividend Stocks

        Stock Screener Definition

        A stock screener is a powerful tool used by investors to filter stocks based on predefined metrics. Think of it as a virtual sieve that automatically sorts through the vast universe of stocks, narrowing down the options to match your unique investment preferences. These preferences can include fundamental criteria such as market capitalization, price-earnings ratio (P/E ratio), dividend yield, or technical indicators like moving averages or relative strength index (RSI), among others.

        Did You Know? 💡🤔

        The InvestingPro Stock Screener offers more than 167 filters, making the process incredibly tailored to each investor.

        By inputting criteria into a stock screener, investors can quickly eliminate stocks that don’t meet their requirements, allowing them to focus on those that do. This process not only saves time but also helps reduce emotional bias in decision-making, as it relies on objective data rather than gut feelings.

        A stock screener’s versatility makes them indispensable tools for both active traders seeking short-term opportunities and long-term investors looking to build a solid portfolio based on specific financial metrics, to those chasing growth stocks with high potential or searching for steady dividend-payers.

        Think of it as a shortcut to clarity in the often complex world of finance. Instead of drowning in endless data, you get a concise list of stocks that align perfectly with your financial goals. It’s efficient, it’s effective, and it’s designed to make your investing journey smoother and more rewarding. Understanding how to leverage a stock screener effectively can empower investors to make more informed choices, aligning their investment strategies with their financial goals, risk tolerance, and even time horizon.

        Stock Screener Pros and Cons

        Ever wondered how some investors seem to effortlessly find the best stocks while others get lost in the shuffle? It all comes down to using the right tools, like a stock screener. Here’s why savvy investors swear by them—and a few things to watch out for.

        Benefits

        At its core, a stock screener serves as a sophisticated filter mechanism, allowing investors to efficiently narrow down potential investment opportunities based on specific criteria, which means that one of the primary advantages is its time-saving capability. By automating the screening process, investors can swiftly generate a curated list of stocks that meet their predefined financial metrics. This efficiency not only optimizes research efforts but also minimizes the risk of overlooking viable investment prospects.

        Moreover, employing a stock screener promotes objective decision-making by mitigating emotional biases. By relying on quantitative data—such as financial ratios and performance metrics—investors can make more informed investment choices grounded in empirical evidence.

        It’s impossible to know every metric for every instrument – and some metrics will always be more important than others depending on individual investors. Using a stock filter system means that investors can compare ‘apples to apples’ in real-time.

        Drawbacks

        Despite its benefits, reliance on stock screeners necessitates some caution. One potential drawback is the risk of over-reliance on quantitative metrics alone. While screeners excel in filtering based on numerical data, they may not encompass qualitative factors crucial for comprehensive investment analysis. An example of this might be overall investor sentiment, or an ongoing black swan event as we saw at the start of the COVID-19 pandemic, or during the 2008 financial crisis.

        Furthermore, the depth and quality of information provided by different screeners vary significantly. Basic screeners may offer limited analytical tools and data points, potentially constraining the depth of investment research.

        Learn More 📜

        One of the most powerful and intuitive stock screening tools on the market is the one accessible to InvestingPro users. To learn more about the ins and outs of this powerful tool, you can check out our dedicated article all about the Best Online Stock Screeners (This Year).

        Navigating these nuances effectively involves understanding the strengths and limitations of each screener used. When used judiciously as part of a broader investment strategy, stock screeners can significantly enhance decision-making and portfolio management.

        Key Features of a Stock Screener

        Here, we break down the fundamental components and functionalities that make stock screeners invaluable.

        Filtering Criteria

        The heart of any stock screener is its filtering criteria. These are the specific parameters investors set to narrow down the universe of stocks to a manageable list. Common criteria include:

        • Fundamental Metrics: These include financial ratios such as the price-to-earnings (P/E) ratio, price-to-book (P/B) ratio, and dividend yield. Investors use these to assess the valuation and income potential of stocks.
        • Technical Indicators: For those who prefer a technical analysis approach, screeners often include indicators like moving averages, relative strength index (RSI), and volume trends.
        • Sector and Industry: Filtering by sector or industry allows investors to focus on specific areas of the economy, which can be particularly useful for thematic or sector-based investment strategies.
        • Market Capitalization: This criterion helps investors filter stocks by the size of the company, distinguishing between small-cap, mid-cap, and large-cap stocks.

        Customizable Filters

        Many advanced stock screeners (including the free stock screener from Investing.com) offer the ability to customize filters to better match an investor’s specific strategy. This flexibility allows for the creation of complex screening conditions that can incorporate multiple metrics and thresholds, or not use certain filters at all if they’re not strategy-relevant.

        Real-Time Data and Alerts

        Access to real-time data is crucial for active traders. Stock screeners that provide live data feeds (rather than a time lag in showing the latest information) ensure that investors are making decisions based on the most current market information. Additionally, some screeners offer alert features that notify users when a stock meets their predefined criteria, allowing for timely decision-making.

        Backtesting Capabilities

        Backtesting is an advanced feature that enables investors to test their screening criteria against historical data. This can help determine the effectiveness of a particular strategy before committing real capital. By analyzing how a set of filters would have performed in the past, investors can gain insights into potential future performance.

        User-Friendly Interface

        An intuitive and user-friendly interface is essential. Features such as drag-and-drop filter customization, clear data visualization, and easy-to-understand results presentation are critical for making the tool accessible and effective for all users. After all, there’s no point in trying to save time with a filter if you’re then going to need hours and hours to learn how to use it!

        Stock Scanner vs. Stock Screener

        While both stock scanners and stock screeners are designed to assist investors in identifying potential stocks, they serve different purposes and are suitable for different scenarios.

        • Stock Screener: A stock screener is a tool that allows investors to filter stocks based on predefined criteria. It’s used primarily for creating a list of stocks that meet specific fundamental or technical metrics. Screeners are typically employed for longer-term investment strategies, where the focus is on finding stocks that align with particular financial or performance parameters.
        • Stock Scanner: A stock scanner, on the other hand, operates in real-time, continuously monitoring the market to detect stocks that match certain criteria as they meet them. Scanners are often used by day traders or active traders who need to react quickly to market movements. They provide real-time alerts and updates, enabling traders to capitalize on short-term price actions.

        Scenarios When Each Tool Might Be More Appropriate

        When to Use a Stock Screener

        • Long-Term Investment Planning: If your investment horizon spans months or years, a stock screener is ideal. It helps you find stocks with solid fundamentals that are likely to perform well over the long term.
        • Value Investing: Screeners are excellent for identifying undervalued stocks based on fundamental metrics like P/E ratio or book value.
        • Dividend Investing: Investors looking for reliable income streams can use screeners to filter for stocks with consistent dividend payments and favorable yield ratios.
        • Sector-Based Strategies: When you want to focus on specific sectors or industries, a stock screener allows you to filter stocks within those categories based on relevant metrics.

        Remember 📌

        With the market hitting all-time high after all-time high, finding stocks to buy has become harder than ever. But that doesn’t mean there are no good buys out there. With our new screener, you can find such stocks at the click of a button.

        When to Use a Stock Scanner

        • Day Trading: For traders who buy and sell stocks within the same day, a stock scanner provides real-time data on price movements, volume spikes, and other intraday indicators.
        • Momentum Trading: Scanners are valuable for identifying stocks that are experiencing significant short-term movements, allowing traders to capitalize on upward or downward momentum.
        • Breaking News: When market-moving news hits, a stock scanner can quickly alert traders to stocks that are reacting to the news, enabling timely trades.
        • Pre-Market and After-Hours Trading: Scanners can monitor stock activity outside of regular trading hours, providing insights into how stocks might behave when the market opens.

        So while both stock screeners and stock scanners are valuable tools for investors, their utility depends on the specific needs of your trading or investment strategy. Screeners are best for strategic, long-term planning and fundamental analysis, whereas scanners are indispensable for real-time, short-term trading opportunities.

        Can A Tool Be Both A Screener and A Scanner?

        Yes, a tool can theoretically both screen and scan stocks simultaneously. In fact, the InvestingPro advanced stock screener offers integrated functionalities that combine many of the above mentioned capabilities of both stock screeners and stock scanners.

        Wrapping up and Next Steps

        Navigating the stock market can often feel overwhelming, but tools like stock screeners and scanners make the process more manageable and strategic. By understanding what a stock screener is and how to use it effectively, investors can streamline their research, reduce emotional biases, and make more informed decisions. These tools help filter through the vast array of stocks to find those that meet specific investment criteria, saving time and enhancing efficiency.

        Incorporating stock screeners and scanners into your investment toolkit can lead to more disciplined, data-driven, and ultimately successful investment outcomes. As you explore these tools, consider how they align with your financial goals and trading strategies, and use them to gain an edge in the ever-evolving stock market.

        Stock Screener FAQ

        Q. How does a stock screener work?

        Stock screeners work by using a database of stocks and applying filters set by the user to display only those stocks that meet the selected criteria.

        Q. Are stock screeners free to use?

        Many stock screeners, including the Investing.com stock screener tool, are free to use, offering basic features. Premium versions, such as the InvestingPro stock screener, provide more advanced filtering options and real-time data.

        Q. Can stock screeners predict stock performance?

        Stock screeners cannot predict stock performance; they help identify stocks that meet certain criteria. Further analysis is needed to make investment decisions.

        Q.  Are there mobile apps for stock screeners?

        Yes, many stock screener tools are available as mobile apps, making it convenient to screen stocks on the go.

        Q. Can stock screeners be used for different markets?

        Yes, many stock screeners can filter stocks from different global markets, not just U.S. stocks.

        Q. Can I create custom filters in a stock screener?

        Many advanced stock screeners allow users to create and save custom filters to tailor the search to specific investment strategies.

        Q. Do stock screeners include technical analysis?

        Some stock screeners offer technical analysis filters, such as moving averages, RSI, and MACD, alongside fundamental criteria.

        Q. Are stock screeners suitable for beginners?

        Absolutely! Stock screeners can be a valuable tool for beginners by helping them focus on specific stocks that meet their investment criteria, but it’s important to combine their use with other research methods.

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