Crypto Fear & Greed Index

Measure the crypto market's emotional pulse.
Fear & Greed Index, updated daily, with 30-day history.

The Crypto Fear & Greed Index quantifies market sentiment on a scale from 0 (Extreme Fear) to 100 (Extreme Greed). It aggregates data from volatility, market volume, social media, surveys, Bitcoin dominance, and Google Trends. For miners, understanding market psychology can help optimize when to sell, hold, or reinvest earnings.

Today's Fear & Greed Index

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What Is the Fear & Greed Index?

The Crypto Fear & Greed Index is a popular sentiment indicator created by Alternative.me. It measures the prevailing emotional state of the cryptocurrency market on a simple 0-to-100 scale. When the market is fearful (low values), it often signals a buying opportunity. When the market is greedy (high values), a correction may be approaching.

0 – 24: Extreme Fear

Investors are very worried. This could indicate overselling and may present buying opportunities for contrarian investors and miners looking to accumulate.

25 – 49: Fear

The market is cautious. Prices may be undervalued relative to fundamentals. Historically, starting mining operations during periods of fear has led to strong returns.

51 – 74: Greed

Optimism is growing. Prices are rising and market participants are confident. Miners benefit from higher BTC prices but should be cautious about overextending.

75 – 100: Extreme Greed

The market is euphoric. Prices may be overheated. Warren Buffett's advice applies: "Be fearful when others are greedy." Consider taking some profits or hedging.

How the Index Is Calculated

The Fear & Greed Index combines six weighted data sources to produce a single sentiment score. Each factor captures a different dimension of market behavior:

Factor	Weight	Description
Volatility	25%	Current volatility vs. 30/90-day averages
Market Volume	25%	Current volume vs. 30/90-day averages
Social Media	15%	Sentiment analysis from Twitter/X posts
Surveys	15%	Weekly crypto polling data
BTC Dominance	10%	Bitcoin's share of total market cap
Google Trends	10%	Search interest for crypto-related terms

How Miners Can Use the Fear & Greed Index

While the index is primarily a tool for traders, miners can use sentiment data to make smarter operational decisions. The key insight is that market sentiment directly affects Bitcoin's price, which in turn affects your mining profitability.

When to Sell Mined BTC

During extreme greed (75+), prices may be near a local top. Consider selling a portion of your mined BTC to lock in profits. During extreme fear (below 25), consider holding — prices may recover.

When to Start Mining

Periods of extreme fear often correlate with lower network difficulty as unprofitable miners drop off. This means more blocks for the remaining miners. Starting a mining contract during fear can be a contrarian play.

Frequently Asked Questions

What does a Fear & Greed Index of 50 mean?

A score of 50 represents a neutral market — neither fearful nor greedy. Investors have mixed feelings and the market is in a balanced state. This is relatively rare; the index typically leans toward one extreme.

How often is the index updated?

The Fear & Greed Index is updated once per day at midnight UTC. Our page fetches the latest data from the Alternative.me API each time you visit. The 30-day history chart shows the trend over the past month.

Should I buy Bitcoin when the index shows extreme fear?

"Buy when there's blood in the streets" is a classic contrarian strategy, but it's not financial advice. Extreme fear can signal good buying opportunities, but it can also precede further declines. Always do your own research and never invest more than you can afford to lose.

Does the index only cover Bitcoin?

While the index is heavily weighted toward Bitcoin data, it reflects overall crypto market sentiment. Since Bitcoin dominates the crypto market (typically 45-55% market share), its sentiment closely tracks the broader market. Altcoin sentiment tends to be even more volatile.

How does sentiment affect mining profitability?

Market sentiment directly impacts BTC price, which determines the fiat value of your mining earnings. During greed phases, your mined BTC is worth more in USD. During fear phases, some miners shut off machines, reducing difficulty and increasing your share of block rewards. NoxHash's low electricity costs ensure profitability across both phases.

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Whether the market is fearful or greedy, NoxHash miners keep earning. Our low electricity costs and efficient hardware ensure profitability across market cycles.

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