Avoid the Top 20 Investing Mistakes According to CFA Institute

Aug 4, 2026 · 6 min read

Avoid the Top 20 Investing Mistakes According to CFA Institute

Avoid costly errors with insights from the CFA Institute's top 20 investing mistakes. Learn how to set realistic goals, control emotions, and minimize fees to enhance your investment strategies and mitigate risks.

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Investing Mistakes

Investing is a complex endeavor, and even the most seasoned investors are not immune to making mistakes. Recognizing and learning from these errors can provide valuable insights and help build more resilient portfolios. The CFA Institute has identified the top 20 most common investing mistakes that investors should be aware of.

Why This Matters

Understanding these mistakes is crucial for any investor. Whether you are a novice or an experienced investor, avoiding these pitfalls can significantly improve your investment outcomes. By learning from the mistakes of others, you can enhance your investment strategies and mitigate potential risks.

Common Investing Mistakes

The following are the top 20 investing mistakes according to the CFA Institute, each with a brief explanation and supporting context.

Expecting Too Much

One of the most common mistakes is expecting unrealistic returns from your investments. While it's natural to hope for high returns, setting overly ambitious goals can lead to disappointment and poor decision-making. It's essential to have realistic expectations based on historical data and market conditions.

Buying High and Selling Low

This mistake often occurs when investors follow emotional impulses rather than a disciplined investment strategy. Buying high and selling low can result in significant losses. To avoid this, consider setting predetermined price targets and stop-loss levels to manage your investments more effectively.

Trading Too Much

Frequent trading can lead to higher fees and taxes, eroding your investment returns. Many investors fall into the trap of trying to time the market, which is notoriously difficult. Instead, focus on a long-term investment strategy and avoid the temptation to trade excessively.

Paying Too Much in Fees

High investment fees can significantly impact your returns over time. Whether it's management fees, brokerage commissions, or hidden costs, these expenses add up. Always be mindful of the fees associated with your investments and seek low-cost options where possible.

Focusing on the Short Term

Investors who focus too much on short-term gains often miss out on the benefits of a long-term investment horizon. Short-term market fluctuations are common, but they rarely indicate the broader trend. By keeping a long-term perspective, you can better weather market volatility and achieve your investment goals.

Not Reviewing Regularly

Regularly reviewing your investment portfolio is essential for staying on track. Many investors neglect this critical step, leading to mismanagement and suboptimal performance. Schedule regular reviews to assess your portfolio's performance, rebalance as needed, and adjust your strategy to align with your financial goals.

Misunderstanding Risk

Risk is a fundamental aspect of investing, and misunderstanding it can lead to poor decisions. It's important to understand the different types of risk, such as market risk, credit risk, and liquidity risk, and how they apply to your investments. By accurately assessing and managing risk, you can make more informed investment choices.

Not Knowing Your Performance

Many investors fail to track their investment performance, which makes it difficult to measure success and identify areas for improvement. Use performance metrics like the Sharpe ratio, Sortino ratio, and return on investment (ROI) to evaluate your portfolio's performance and make data-driven decisions.

Reacting to the Media

In a world full of financial news and media hype, it's easy to get swayed by short-term market sentiments and media noise. Instead of reacting impulsively to media headlines, stick to your investment plan and focus on long-term trends and fundamentals.

Forgetting About Inflation

Inflation erodes the purchasing power of your money over time, making it a crucial factor to consider in your investment strategy. Invest in assets that have the potential to outpace inflation, such as stocks, real estate, and inflation-protected securities, to preserve and grow your wealth.

Trying to Time the Market

Market timing is challenging, even for professional investors. Attempting to predict market highs and lows can lead to missed opportunities and increased risk. Instead, consider a dollar-cost averaging strategy, which involves investing a fixed amount regularly, regardless of market conditions.

Not Doing Due Diligence

Thorough research and due diligence are essential before making any investment. Many investors overlook this step, leading to poor choices and potential losses. Conduct comprehensive research on potential investments, including analyzing financial statements, understanding market trends, and evaluating the company's management.

Working with the Wrong Advisor

Choosing the right financial advisor can significantly impact your investment success. Unfortunately, many investors overlook the importance of this decision. Do your due diligence when selecting an advisor, and ensure they have the necessary qualifications, experience, and alignment with your financial goals.

Investing with Emotions

Emotional investing often leads to poor decisions, such as panic selling during market downturns or chasing hot stocks. Develop a disciplined investment strategy and stick to it, regardless of market conditions or emotional impulses.

Chasing Yield

Chasing high-yield investments without considering the underlying risks can be dangerous. Investors should focus on achieving a balanced portfolio that aligns with their risk tolerance and financial goals, rather than solely chasing high returns.

Neglecting to Start What You Can

Many investors overlook the power of compounding, often starting their investments too late. The earlier you start investing, the more time your money has to grow. Even small, regular contributions can accumulate significantly over time, thanks to the power of compounding.

Not Controlling What You Can

Ultimately, investors should focus on what they can control, such as asset allocation, diversification, and fees, rather than trying to predict unpredictable market movements. By controlling these factors, you can create a more resilient and successful investment portfolio.

Practical Tips

To avoid these common investing mistakes, consider the following practical tips:

  1. Set Realistic Goals: Understand the historical returns of your chosen investment vehicles and set achievable goals.
  2. Develop a Long-Term Strategy: Focus on a long-term investment horizon and resist the urge to react to short-term market fluctuations.
  3. Diversify Your Portfolio: Spread your investments across different asset classes, sectors, and geographies to mitigate risk.
  4. Regularly Review and Rebalance: Periodically assess your portfolio's performance and rebalance to maintain your desired asset allocation.
  5. Stay Informed, Not Reactive: Educate yourself on market trends, but avoid making impulsive decisions based on media noise.
  6. Consider Inflation: Invest in assets that can outpace inflation to preserve your wealth.
  7. Focus on What You Can Control: Concentrate on managing fees, asset allocation, and diversification, rather than trying to time the market.

Important Takeaways

  1. Investing Mistakes are Common: Even experienced investors make mistakes, but learning from these blunders can lead to better long-term success.
  2. Understand Risk: Knowing and managing risk is crucial for any investment strategy.
  3. Avoid Emotional Decisions: Stick to a disciplined plan and avoid making impulsive decisions.
  4. Focus on Long-Term Growth: Short-term volatility is a natural part of investing, but maintaining a long-term perspective can lead to better outcomes.

Conclusion

Investing is a journey filled with opportunities and challenges. By being aware of common mistakes and taking proactive steps to avoid them, you can enhance your investment strategies and achieve long-term success. Always remember that investing is a marathon, not a sprint, and that patience and discipline are key to building a resilient portfolio.

Explore more insights and resources, such as those from the CFA Institute, to deepen your understanding and refine your investment strategies.

Summary

Key points

  • Investors should recognize and learn from common mistakes to build resilient portfolios.
  • Avoiding common investing mistakes can improve outcomes for both novice and experienced investors.
  • Unrealistic expectations can lead to disappointment and poor decision-making.
  • Emotional impulses often lead to buying high and selling low, resulting in significant losses.
  • Frequent trading can increase fees and taxes, eroding investment returns.
Answers

FAQ

The CFA Institute has pinpointed 20 frequent investing errors, ranging from emotional decision-making to ignoring fees. These mistakes can lead to poor investment outcomes and are crucial for investors to recognize and avoid. The list includes failures in setting realistic goals, controlling emotions, and minimizing fees, among other pitfalls.

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