Crypto Fear & Greed Index
The Crypto Fear & Greed Index, Explained — Then Put to Work
The crypto Fear & Greed Index boils the market's mood down to a single number from 0 (extreme fear) to 100 (extreme greed). It's the fastest gut-check for whether the crowd is panicking or euphoric — and, read against the grain, one of the most-watched contrarian signals in crypto. This guide covers what the index actually measures, how it's calculated, and how to read each zone. Then comes the part most explainers skip: turning that read into an accountable call. On BitPredict you can take the mood and make a free crypto prediction on where a coin goes next — timestamped, settled against the market, and scored on accuracy. Start with today's crypto predictions or size up Bitcoin directly.

What Is the Crypto Fear & Greed Index?
The crypto Fear & Greed Index is a 0–100 sentiment gauge that compresses several market signals into one daily number. A low reading means investors are fearful — selling, hoarding stablecoins, bracing for more downside. A high reading means they're greedy — chasing, leveraging up, afraid of missing the next leg. The most widely-cited version is published daily by alternative.me and is modeled on CNN's original stock-market index.
The idea rests on a simple behavioral observation: crypto markets are driven by emotion, and emotion tends to overshoot. Extreme fear often coincides with prices that have already been beaten down; extreme greed often shows up right before the froth comes off. That's why the index is usually read as a contrarian tool — Warren Buffett's "be fearful when others are greedy, and greedy when others are fearful," reduced to a dial.
How the Crypto Fear & Greed Index Is Calculated
The index isn't a single measurement — it's a weighted blend of market signals, each capturing a different facet of how fearful or greedy the crowd is. The exact weights vary by publisher, but the crypto index most people quote combines roughly these inputs:
| Signal | What it captures | Rough weight |
|---|---|---|
| Volatility | Current volatility and drawdowns vs. recent averages — spikes read as fear | ~25% |
| Market momentum & volume | Buying volume and momentum vs. recent norms — heavy buying reads as greed | ~25% |
| Social media | Post volume and engagement on crypto topics — unusual spikes read as greed | ~15% |
| Surveys | Periodic sentiment polls (when active) | ~15% |
| Bitcoin dominance | Rising dominance can signal fear rotating out of altcoins into BTC | ~10% |
| Search trends | Google Trends for crypto queries — panic searches read as fear | ~10% |
Because it leans on volatility and momentum, the index is largely backward- and present-looking: it describes conditions that have already printed on the chart. That's useful context, but it's not a forecast — which is exactly where an accountable call comes in later on this page.
How to Read It: From Extreme Fear to Extreme Greed
Readings are usually bucketed into four zones. The number matters less than the direction and the extreme: a market sliding into extreme fear behaves very differently from one grinding higher through greed.
| Reading | Zone | What the crowd is doing | Common contrarian read |
|---|---|---|---|
| 0–24 | Extreme fear | Panic selling, capitulation, cash on the sidelines | Historically where opportunity hides — but knives fall |
| 25–49 | Fear | Cautious, risk-off, quick to sell rallies | Accumulation zone for the patient |
| 50–74 | Greed | Confident, buying dips, leverage creeping in | Trend intact, but watch for froth |
| 75–100 | Extreme greed | Euphoria, FOMO, max leverage | Historically where tops form — trim, don't chase |
Two cautions. First, the index can stay pinned at an extreme for weeks in a strong trend — "extreme greed" is not a sell signal on its own, and "extreme fear" is not a buy signal on its own. Second, it's a whole-market gauge, dominated by Bitcoin; a single altcoin can be euphoric while the index reads fear. Use it as weather, not a trade trigger.
Fear & Greed vs. BitPredict's Crowd Sentiment
The Fear & Greed Index tells you how the market *feels* today, distilled from price, volatility and volume. BitPredict measures something different and complementary: what the crowd is actually calling next, per coin, with receipts. Every prediction is a directional commitment — up or down, timestamped and later settled — so the aggregate is a forward-looking conviction signal, not a mood ring derived from the tape.
- Fear & Greed = one number for the whole market, backward-/present-looking, built from volatility and volume.
- BitPredict crowd sentiment = per-coin UP vs DOWN conviction, forward-looking, and every voice has a track record.
- Together = read the mood with the index, then see whether the crowd's *calls* confirm or fade it — and whether the accurate predictors agree.
That accountability is the difference. Anyone can shout "extreme greed, top is in" on social media with nothing at stake. On BitPredict a call is locked and scored, so the most accurate predictors earn credibility the index can't confer. Sentiment you can verify beats sentiment you can only feel.
Turn Today's Reading Into a Call
A reading is only worth as much as what you do with it. The move isn't to trade on the number blindly — it's to form a view and put it on the record. Think the extreme-greed print means Bitcoin cools off? Call Bitcoin down over the next 24 hours. Think fear is overdone on a major? Call Ethereum or Solana up. Either way, it settles automatically and your accuracy is the only score that counts.
No wallet, deposit, or dollar required — this is a free, no-money way to test your read. New here? Browse the full list of coins to predict, see how BitPredict compares in our best crypto prediction sites roundup, or read what a prediction market is if the concept is new.
Frequently asked questions
What is the crypto Fear & Greed Index?
It's a 0–100 gauge of overall crypto market sentiment, where 0 is extreme fear and 100 is extreme greed. It blends signals like volatility, momentum and volume, social media, Bitcoin dominance and search trends into a single daily number, and is most often read as a contrarian tool — extreme fear can flag opportunity, extreme greed can flag risk.
What is a good Fear & Greed Index reading?
There's no universally "good" number — it depends on your strategy. Contrarians often see extreme fear (0–24) as a potential accumulation zone and extreme greed (75–100) as a time for caution. But the index can stay at an extreme for weeks during a strong trend, so it's context, not a standalone buy or sell signal.
How often does the crypto Fear & Greed Index update?
The widely-cited crypto index updates daily. Because it's built largely from volatility and volume, it mostly describes conditions that have already happened — useful as market weather, but not a forecast of where prices go next.
Is the Fear & Greed Index accurate?
It accurately summarizes current market emotion, but it doesn't predict prices, and it's a whole-market gauge dominated by Bitcoin — a single altcoin can move against it. Treat it as one input among many, not a crystal ball.
Does BitPredict have a fear and greed signal?
BitPredict shows something complementary: real, forward-looking crowd sentiment per coin — the share of users calling an asset up vs down — where every prediction is timestamped, settled, and tied to a public accuracy record. You can read the market's mood with the Fear & Greed Index, then check whether BitPredict's crowd calls (and its most accurate predictors) confirm or fade it.