How to Read the Fear & Greed Index (and Why You Mostly Shouldn't)

What is the Fear & Greed Index?

The Bitcoin Fear & Greed Index summarizes market and attention inputs on a scale from 0 to 100. Lower scores describe fear; higher scores describe greed.

Read the score alongside the provider’s inputs, publication date, and historical range. This guide explains those checks and how source coverage can add context to the reading.

What the score ranges describe

These illustrative bands explain the low-to-high scale. Check the thresholds used by the specific provider you follow.

0-25

Extreme Fear

The low end of the provider’s composite score. Inspect the inputs behind the label.

26-45

Fear

A score below the neutral range in this illustrative banding.

46-55

Neutral

A score near the middle of the scale.

56-75

Greed

A score above the neutral range in this illustrative banding.

76-100

Extreme Greed

The high end of the provider’s composite score. Inspect the inputs behind the label.

Check the published inputs

Alternative.me publishes volatility, momentum and volume, social activity, dominance, and search trends as inputs. Its methodology also lists a survey component as currently paused.

These inputs describe different aspects of market activity and attention. Read the provider’s definitions and any paused components before interpreting the combined score.

Read Alternative.me’s methodology for the current published weights and calculation notes.

Understand the limits of a score

Inputs overlap

An index that includes price and volume will partly reflect those series. Account for that overlap when comparing indicators.

A range summarizes several inputs

The same headline score can arise from different combinations of inputs. Inspect the components when they are available.

An extreme reading needs context

Read the period and underlying data. The label alone does not identify a market turning point.

Methods differ

Different providers select different data and weights. Compare the methods before treating their scores as equivalent.

Add the coverage behind the number

Coverage analysis asks what a selected set of publications and public sources is saying about Bitcoin. It can help explain the themes, events, and questions being discussed during a period.

The Perception Index summarizes classified coverage. Open the dated reading, inspect the source material, and review the methodology for the calculation and its limits.

Read a consistent history

Record the provider, calculation, and update timestamp.
Compare the same series across a defined period.
Read source coverage around material changes.
Keep an observed relationship separate from a prediction.

Frequently asked questions

Is the Fear & Greed Index accurate?

Accuracy depends on the question. Read the provider’s inputs, weights, and definitions to understand the activity its score summarizes.

Should I buy when the index shows extreme fear?

The score alone does not establish an entry point or a suitable investment. Use it to examine the underlying period and data.

Why do providers show different numbers?

Providers use different source sets, weights, and calculation windows. Their scores may describe different things.

What does coverage analysis add?

It shows the articles, public statements, and recurring themes around a period, so you can inspect the discussion behind a sentiment summary.

How to read the Fear & Greed Index

In this guide