Bitcoin Fear & Greed Index
The Fear & Greed Index condenses market sentiment - a composite of inputs like volatility, trading volume, social media, surveys, and dominance - into a single score between 0 (extreme fear) and 100 (extreme greed).
This chart shows real data up to September 27, 2026. The live value is free on Cedvel - no subscription needed.
Source: alternative.me Crypto Fear & Greed Index
What is it?
A single 0-100 score that condenses market sentiment (a composite of inputs like volatility, trading volume, social media, surveys, and dominance).
How is it calculated?
Calculated from a weighted combination of multiple market signals (varies by source) - 0 is the 'Extreme Fear' end, 100 is 'Extreme Greed'.
How to read it
Below 25 is Extreme Fear - it has generally overlapped with moments close to historical bottoms, where pessimism peaked. Above 75 is Extreme Greed - it has overlapped with moments close to tops, where optimism peaked. Generally read with a 'do the opposite of the crowd' intuition.
Things to watch out for
It measures sentiment, not fundamental value - it can stay in an 'extreme' zone for a long time during a strong trend, and shouldn't be used as a standalone timing signal.
Historical usage
Periods where the index dropped below 25 (Extreme Fear) have generally overlapped with moments close to historical bottoms, where pessimism peaked; periods above 75 (Extreme Greed) have overlapped with moments close to tops, where optimism peaked. It's generally read with a 'do the opposite of the crowd' intuition.
Frequently Asked Questions
How is the Fear & Greed Index calculated?
It's calculated from a weighted combination of multiple market signals (such as volatility, trading volume, social media, surveys, and dominance) - 0 is the 'Extreme Fear' end, 100 is 'Extreme Greed'.
What does a low or high index value mean?
Below 25 is Extreme Fear - it generally overlaps with moments close to historical bottoms, where pessimism peaked. Above 75 is Extreme Greed - it overlaps with moments close to tops, where optimism peaked.
What's the limitation of the index?
It measures sentiment, not fundamental value - it can stay in an 'extreme' zone for a long time during a strong trend, and shouldn't be used as a standalone timing signal.