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Analyzing Market
Glossary

Fear and Greed Index

The Crypto Fear and Greed Index is a sentiment indicator that condenses the market’s emotional state into a single number, typically from 0 (extreme fear) to 100 (extreme greed).

How it works

The index blends several inputs — such as price volatility, market momentum, trading volume, surveys and social-media activity — into one score. A low reading means investors are fearful and prices may be under pressure; a high reading means optimism is running hot. It measures mood, not value.

Why it matters

Many investors treat it as a contrarian signal, on the idea that extreme fear can mark over-selling and extreme greed can mark over-buying. It is a rough sentiment snapshot, useful as context rather than a standalone trading rule.

Example

After a sharp sell-off, the index often drops into “extreme fear,” while a strong rally can push it toward “extreme greed.”

Fear and Greed Index: Frequently Asked Questions

What does the Fear and Greed Index actually measure?
It measures the market's emotional state, not the value of any asset. The index blends several inputs, such as price volatility, market momentum, trading volume, surveys, and social-media activity, into one score from 0 to 100. A low reading means investors are fearful, while a high reading means optimism is running hot.
How do investors use the Fear and Greed Index?
Many treat it as a contrarian signal. The idea is that extreme fear can mark over-selling, when prices may be unusually low, and extreme greed can mark over-buying. After a sharp sell-off the index often drops into extreme fear, while a strong rally can push it toward extreme greed. It is best used as context.
Should I make trades based only on the index?
No. It is a rough sentiment snapshot that captures mood rather than value, so it works better as context than as a standalone trading rule. Sentiment can stay extreme for a while, and the index can be wrong about where prices go next. Most people combine it with other analysis rather than acting on it alone.
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