What is the Bitcoin Fear and Greed Index?
The Bitcoin Fear and Greed Index is a composite sentiment indicator that compresses multiple market signals into a single reading between 0 and 100. A value near 0 reflects panic, capitulation, and defensive positioning. A value near 100 reflects optimism, crowding, and speculative excess.
Unlike price alone, the index is designed to capture the psychological state of the market. It blends volatility, momentum, volume, social sentiment, surveys, Bitcoin dominance, and search-interest data into a daily sentiment score that helps contextualize market emotion.
How the indicator is built
The most important inputs are volatility and market momentum, because sharp downside expansion and collapsing participation tend to push the index toward fear, while strong upside momentum and expanding participation tend to push it toward greed. Bitcoin dominance, social sentiment, survey inputs, and Google Trends are then used to refine the broader psychological picture.
That mix makes the indicator useful for regime context, but it also means the Fear and Greed Index should be interpreted as a sentiment composite rather than a pure valuation tool. It describes market emotion, not fundamental value.
How to interpret extreme fear and greed
Extreme Fear (0–25)
Extreme Fear has historically appeared around major corrections and late-stage bear-market lows. It usually reflects capitulation, weak confidence, and forced selling. Those periods often produce the best long-term opportunity sets, but they can also persist if the broader trend remains weak.
Greed and Extreme Greed (55–100)
Greed signals improving confidence and stronger participation, while Extreme Greed tends to coincide with crowded positioning, aggressive leverage, and elevated pullback risk. Sustained readings above 75 have historically appeared when the market becomes overheated rather than merely strong.
Trend continuation versus reversal
The index is most useful when combined with trend context. In strong uptrends, greed can remain elevated for longer than most traders expect. In weak or bearish conditions, fear can stay persistent instead of immediately marking a reversal. That is why sentiment extremes work better as context markers than as standalone entry or exit triggers.
Analysts usually ask two questions: is sentiment extreme, and do valuation or holder-behavior signals agree? When both point in the same direction, sentiment becomes more actionable.
How to use the Fear and Greed Index with other Bitcoin metrics
The Fear and Greed Index works best as a sentiment overlay rather than a standalone decision engine. MVRV and NUPL help frame valuation and holder profitability, realized price helps frame aggregate cost basis, and holder-positioning data helps show whether coins are being accumulated or distributed.
When fear is extreme while valuation metrics also suggest deep undervaluation, the setup is stronger than sentiment alone. When greed is extreme while holder-profitability metrics are stretched, the probability of a maturing cycle phase rises.
What this live chart shows
This page tracks the daily Fear and Greed reading, its 30-day, 90-day, and 365-day moving averages, and percentile bands that help place today’s sentiment inside a broader historical range. The BTC overlay uses the same-day BTC price from our internal quotes pipeline so the latest sentiment reading and price context stay aligned.
