Crypto
Crypto Fear and Greed Index vs LunarCrush
Quick answer
LunarCrush is a social-first platform: its Galaxy Score and AltRank rank coins mainly by social engagement and momentum from sources like X and Reddit. The CFGI Crypto Fear and Greed Index is broader, folding 10 indicator groups, of which social is only one, into a single 0 to 100 score per asset. LunarCrush is strong for narrative and memecoin attention; CFGI is built for a balanced read of fear and greed, where buzz alone cannot swing the score. This is education, not financial advice.
CFGI data
Social buzz is one input to CFGI, not the whole story. CFGI blends 10 indicators into one 0 to 100 score across 100+ assets and four timeframes since March 2022, so a coin can be loud on social yet still read fearful overall, a nuance a social-only score can miss.
Source: CFGI dataset and public LunarCrush product information, June 2026.
Key takeaways
- LunarCrush ranks coins mainly by social engagement and momentum.
- Its Galaxy Score and AltRank are social-first metrics.
- It excels at spotting narrative and attention, especially in memecoins.
- CFGI blends 10 indicators, social being just one, into a 0 to 100 score.
- A coin can be loud on social yet read fearful overall on CFGI.
Social Momentum vs Synthesised Sentiment
LunarCrush is built around social data. Its Galaxy Score combines social engagement with price performance, and AltRank ranks assets on social and market signals. That makes it excellent for spotting what the crowd is talking about, which is powerful in attention-driven, memecoin-style markets. The CFGI Crypto Fear and Greed Index treats social as just one of 10 indicator groups. Volatility, momentum, volume and more all feed the single 0 to 100 score, so a burst of social hype does not, on its own, swing the reading.
| LunarCrush | CFGI | |
|---|---|---|
| Core input | Social engagement | 10 indicators blended |
| Signature metric | Galaxy Score, AltRank | 0 to 100 Fear and Greed |
| Strength | Narrative and attention | Balanced sentiment |
| Per asset | Yes | Yes, 100+ assets |
| Timeframes | Social windows | 4 (15m to long-term) |
LunarCrush versus CFGI.
What LunarCrush Offers
LunarCrush is best understood as the specialist tool for crypto social intelligence. It ingests vast amounts of social-media activity, from X, Reddit and other platforms, and turns it into structured metrics: how much a coin is being talked about (social volume), how much that conversation is engaging people (engagement), the tone of it (social sentiment), and who is driving it (influencer tracking). Its two signature outputs package this up: the "Galaxy Score" is a composite health score blending social activity with market performance, and "AltRank" ranks coins by how they are performing on social and price signals relative to the rest of the market. The whole platform is designed to answer one question superbly: what is the crowd paying attention to right now? In a market where narrative and attention drive so much of the action, especially in memecoins and emerging trends, that is a genuinely valuable and distinctive lens, and it is where LunarCrush shines brightest.
Social Buzz Versus Sentiment: The Key Difference
The crucial distinction is that attention and sentiment are not the same thing, and the two tools measure different ones. LunarCrush excels at measuring buzz, how loud the conversation around a coin is, but loudness alone does not tell you whether the crowd is fearful or greedy. A coin can be extremely loud on social media for negative reasons (a hack, a scandal, a sell-off everyone is panicking about), so high social volume can accompany fear just as easily as greed. A Fear and Greed Index, by folding social into a broader mix alongside price, volatility and volume, reads the overall emotional state rather than just the volume of chatter, which is why a coin can be trending loudly on LunarCrush yet still register as fearful on CFGI if its price action and volatility point that way. This blending also makes the score harder to manipulate: a coordinated social campaign that could spike a social-only metric is diluted to just one-tenth of a CFGI reading. So LunarCrush answers "what is everyone talking about?" while a Fear and Greed Index answers "how does the crowd actually feel?", related but genuinely different questions.
Loud Is Not the Same As Greedy
LunarCrush measures buzz; a coin can be loud on social for fearful reasons (a hack, a crash) as easily as greedy ones. A Fear and Greed Index blends social with price and volatility to read the actual mood, not just the volume.
Which Should You Use?
For tracking which coins are catching social fire, spotting an emerging narrative, or trading attention-driven memecoins, LunarCrush is purpose-built and excellent. For a balanced read of whether the crowd is fearful or greedy, where social is weighed against price, volatility and volume so hype alone cannot swing it, CFGI is the better fit. The two genuinely complement each other rather than competing: a common workflow is to use LunarCrush to flag what is suddenly catching the crowd’s attention, then turn to a Fear and Greed Index to judge whether that buzz is actually moving the broader sentiment or is just noise. Used together, the social radar and the balanced sentiment gauge give a fuller picture than either alone, telling you both what the crowd is watching and how it truly feels about it.
CFGI Crypto Fear and Greed Index, live
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More than social buzz, in one number.
Frequently asked questions
What is LunarCrush?
A social-first crypto analytics platform that turns social-media activity into metrics like social volume, engagement, sentiment and influencer tracking. Its signature outputs are the Galaxy Score (a composite of social and market health) and AltRank (a relative ranking on social and price signals).
Is LunarCrush a Fear and Greed Index?
Not exactly. LunarCrush is a social-first analytics tool with its own Galaxy Score and AltRank, built to track attention. The CFGI Fear and Greed Index blends 10 indicators, social being one, into a single 0 to 100 sentiment score per asset.
Can a coin be loud on social but read fearful on CFGI?
Yes, and this is the key difference. Buzz and mood are not the same: high social volume can accompany fear (a hack, a crash) as easily as greed. Because social is only one of CFGI’s 10 inputs, a coin can trend loudly yet still score fearful if price, volatility and volume point that way.
Which is better for memecoins?
LunarCrush is strong for attention-driven, memecoin markets because it measures social momentum directly. CFGI gives a more balanced sentiment read that does not swing on hype alone. Many use LunarCrush to flag the buzz and CFGI to judge whether it is moving sentiment. This is education, not financial advice.
Lucas, CFGI Research
Lucas is the founder of CFGI and leads its research. He built the platform that scores Fear and Greed across 100+ crypto assets and the equity market from a 0 to 100, 10-indicator model, and has tracked crowd emotion through multiple full crypto and equity cycles. He writes about market sentiment, behavioural finance and how emotion shapes price.
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This article is educational and is not financial advice. Crypto and equities are volatile and you can lose money. See our disclaimer.