Everything You Need to Know About the Fear and Greed Index

Everything You Need to Know About the Fear and Greed Index

Last Updated: December 14, 2025
7 min read

The cryptocurrency industry is known for its volatility. Prices can reach incredible highs before crashing down, which increases the need for traders and investors to be more watchful. Traders often rely on market sentiment to understand where the market might be headed. Fear and Greed Index is a metric designed to capture the emotional state of the market and translate it into a numerical score. Understanding how the fear and greed index works can help traders make informed decisions.

In this blog, we will discuss the fear and greed index, how it is calculated, and more.

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What is a Fear and Greed Index?

The crypto fear and greed index uses market trends and social signals to determine the overall market sentiment. It considers the movement of Bitcoin and other cryptocurrencies. It is called an index because it considers multiple data sources and combines them into a single figure.

The index is divided into four categories and denoted with colors (green, light green, yellow, and orange). These are:

  • 75% to 100% = Extreme Greed (Green)
  • 74% to 50% = Greed (Light Green)
  • 49% to 25% = Fear (Yellow)
  • 24% to 0% = Extreme Fear (Orange)

What the Fear and Greed Index Measures?

The fear and greed index considers various factors and assigns a score to market sentiment. Low reading indicates extreme fear, whereas a high reading signals extreme greed. To compute this value, the index usually incorporates several factors such as social media sentiment, market volatility, price momentum, and trading volume.

Some versions of the index also consider search trends and market dominance, particularly of well-established cryptocurrencies such as Bitcoin. Volatility plays a key role because sudden price drops often provoke investor fear, while a sustained upward trend can increase optimism.

How is the Crypto Fear and Greed Index Calculated?

The fear and greed index is calculated by aggregating various data points that reflect market sentiments. It calculates six points, such as:

Volatility (25%)

This measures the recent market volatility and the maximum drawdown of Bitcoin as compared to the average values of the last 30 days and 90 days. A spike in the volatility signals a fearful market.

Market Volume/Momentum (25%)

The market momentum and current volume of the overall cryptocurrency market are compared with the average values over the last 30 and 90 days. A high value indicates an overall greedy market with bullish sentiment.

Social Media Sentiment (15%)

The number of crypto-related mentions on Reddit and X.com is calculated over a certain period. Any unusually high number of mentions can signal an increase in interest in cryptocurrencies, which can indicate greedy market behavior.

Surveys (15%)

Certain platforms conduct weekly crypto polls to test the public sentiment about cryptocurrencies and the current market situation.

Dominance (10%)

This tracks the dominance of Bitcoin in terms of market capitalization and compares it to altcoins. Bitcoin is the standard as it has the largest market capitalization.

The data from Google Trends for various Bitcoin-related search queries. The change in search volumes, as well as other related keywords that are trending, is used to determine the market sentiment.

How to Use The Fear and Greed Index?

Many traders view this index as a market indicator. When the index shows extreme fear, the market may be approaching bearish conditions. The extreme greed status shows that the market is due for a correction. However, the index alone is not a standalone trading strategy. Its strength lies in offering additional context rather than precise buy or sell signals.

Traders often use the index as an emotional checkpoint. By incorporating the index into a broader strategy, traders can balance out their emotional decisions with technical and fundamental analysis.

Limitations of the Fear and Greed Index

Although very useful, the fear and greed index has its limitations. Such as:

  • It simplifies complex market dynamics into a single number, which can sometimes give a misleading impression.
  • Sentiments can shift suddenly, making it difficult to rely on the index for precise timing.
  • The index is often Bitcoin-biased, which may not fully capture the sentiment of the entire market.

Final Takeaways

The fear and greed index is a powerful tool and a reminder that emotions shape the cryptocurrency market just as much as technology and innovation. While it should not be used as a sole indicator for trading strategies, it offers valuable insights into the overall market sentiment. By recognizing the patterns and using the index correctly, traders can avoid impulsive decisions and approach trading with greater discipline.

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FAQs

What is the fear and greed index?

The fear and greed index is a sentiment indicator that measures whether the market is dominated by fear or greed at any given time.

How often is the fear and greed index updated?

Most versions of the index are updated daily to share the fresh market sentiment data.

What does extreme fear mean in the index?

Extreme fear usually suggests investors are selling heavily, and the market may be oversold.

What does extreme greed indicate?

Extreme fear usually suggests investors are buying aggressively, and the market may be overvalued.

What factors influence the fear and greed index?

Volatility, trading volume, social media sentiment, search trends, surveys, and dominance of a cryptocurrency in a market are the factors that influence the fear and greed index.

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Disclaimer: All content on The Moon Show is for informational and educational purposes only. The opinions expressed do not constitute financial advice or recommendations to buy, sell, or trade cryptocurrencies. Trading involves significant risk and may result in substantial losses. Always seek independent financial advice before making investment decisions. The Moon Show is not responsible for any financial losses or decisions made based on the information provided.

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