Crypto market sentiment: how to read fear and greed
Market sentiment is which way most participants are leaning right now: toward buying or selling, toward risk or caution. It's measured with composite indexes like the Fear & Greed Index and with futures data. Sentiment doesn't tell you where price will go, but it shows how crowded one side is.
In short
- The Fear & Greed Index is one number from 0 to 100 a day for the market as a whole, mostly Bitcoin. It says nothing about sentiment on a single coin.
- Sentiment on a specific coin shows up in futures data: funding, the long/short ratio, and open interest.
- An extreme is a state, not the moment of a reversal: an overheated market can stay overheated for weeks.
- Sentiment is background for judging risk, not a reason to trade.
The screener finds this for you
Everything described above is set up in the screener: pick a ready-made setup or your own thresholds, and alerts arrive by push or Telegram.
What the Fear & Greed Index shows, and what it doesn't
The Crypto Fear & Greed Index is a number from 0 to 100: around 25 and below is extreme fear, around 75 and above is extreme greed. The index has six parts:
| Component | Weight | What it measures |
|---|---|---|
| Volatility | 25% | Current swings against 30- and 90-day averages. Higher means more fear. |
| Momentum and volume | 25% | Whether volume rises along with price. |
| Social media | 15% | Activity in Bitcoin discussions. |
| Surveys | 15% | Polls of market participants. The source has paused them for now. |
| BTC dominance | 10% | A rising Bitcoin share points to fear. |
| Search interest | 10% | Google Trends for Bitcoin queries. |
Three limits of the index
- Once a day. A new value comes out daily, and a coin's price can move 5–10% either way in that time.
- The market as a whole. Almost every component is based on Bitcoin. An illustrative example: the index rose from 40 to 70 over a week, while the coin you're watching fell 15% and its funding went negative — the index isn't describing that coin.
- A state, not a trade trigger. Extreme greed can last for weeks while price keeps rising.
How to see sentiment on a specific coin
On a single coin, sentiment shows up in perpetual futures data. Each of the three gauges has its own blind spot, so they're read together:
How funding works and why exchange rates aren't directly comparable is covered in “What the funding rate is”, and how to read OI in the article on open interest.
| Gauge | What it shows | What it doesn't show |
|---|---|---|
| Funding | Which side is willing to pay extra to hold | The same number means a different cost on exchanges with different intervals |
| Long/short ratio | How many accounts are long for each account that's short | How much money sits on each side |
| Open interest | Whether new positions are entering the market | Which way those positions point |
The ratio counts people, not money
An illustrative example: a pair has 700 accounts long and 300 short — a ratio of 2.33, “the crowd is long”. But if longs average $5,000 per position and shorts average $11,700, each side holds about $3.5m. That's how it has to be: every contract has a buyer and a seller, so open longs always equal open shorts. The ratio shows where most participants are, not where most money is. The most lopsided pairs are on the longs and shorts page.
When the crowd hits an extreme: what it looks like in the data
Overheated to the long side
An illustrative example: a coin rose 40% in a week. Funding is +0.08% per 8 hours — 8 times the usual +0.01% — the long/short ratio is 3, and open interest is up 60% for the week. It means many new leveraged longs have entered the rise and are paying extra to hold. If price turns down, they'll have to close, some by force, and their selling can speed up the drop — that's called a long squeeze.Panic to the short side
The mirror case: the index is in extreme fear, the coin's funding is deeply negative, most accounts are short, and OI is rising. Shorts are paying to hold, and a sharp price rise would force them to buy back — a short squeeze. In neither case does the data tell you when a move will start, or whether it will start at all. How leverage turns such a move into liquidations is covered in the article on leverage.How the screener helps
Crowd imbalance on a single coin doesn't show up in the index or in a market overview, and nobody can check funding across hundreds of pairs by hand. The funding screener sweeps perpetual futures every minute and sends an alert when a coin's rate crosses your threshold above or below zero or flips sign. When fresh data exists for the pair, the alert also shows the long/short ratio and the exchange it came from. No need to pick a coin.
Fear in the headlines and fear in positioning aren't the same thing. The second one can be checked against data: funding, the long/short ratio, and open interest.
Euphoria without rising OI is a move without new positions: price climbs while hardly any new money enters the market.
How not to over-read sentiment
An illustrative example: the index has been in extreme greed for three weeks, and the coin's funding is +0.05% per 8 hours. A trader opens a $10,000 short “because the crowd is overheated”. Over 21 days they collect about $315 in funding, while price rises 20% — a $2,000 loss on price. The overheating was real, but the conclusion came too early.
- Watch the change, not the level. Some coins have positive funding for months. A rate that quadrupled in a day matters more than a rate that's above zero.
- Cross-check several gauges. Extreme funding with falling OI means positions are closing, not a new build-up.
- Mind the scale. The index is about the whole market; futures data is about one pair on one exchange.
- Use it as a risk filter. In an overheated market sharp moves against the crowd happen more often, and position size should reflect that.
Market sentiment FAQ
What is the Fear & Greed Index?
A number from 0 to 100 that combines several market metrics into one sentiment reading: volatility, volume, social media activity, Bitcoin dominance, and search interest. Closer to 0 means fear, closer to 100 means greed.
How often is the Fear & Greed Index updated?
A new value is published once a day. JustScreener fetches the value once an hour, so a fresh number appears on the site within an hour of publication.
Can you trade on the Fear & Greed Index?
The index describes the state of the market as a whole, not where price will go. Extreme fear or extreme greed can last for weeks, and the index says nothing about a single coin. It's used as background for judging risk.
What does the long/short ratio show?
The number of accounts holding longs divided by the number holding shorts on an exchange. A value of 2 means twice as many accounts are long. It doesn't show how much money sits on each side.
Why are there more longs if open interest is always balanced?
Every contract has a buyer and a seller, so open longs and shorts are always equal. The ratio counts accounts, not contracts: many small longs can stand against a few large shorts.
How can you tell the market is overheated?
The signs add up together: funding well above normal, most accounts on one side, and open interest rising fast. This data doesn't tell you when the overheating will end.
Live data: the Fear & Greed Index, funding extremes, and longs and shorts by pair. Sharp changes in open interest are caught by the open interest screener, and extreme rates by the funding screener.
Read next
What is open interest in crypto
What open interest (OI) is in plain words: how trades change it, how it differs from volume, and how to read it together with price, with examples.
Crypto price: how it forms and how to read it
How crypto prices form, why they differ across exchanges, spot and futures, what the 24h change is measured from, and how to tell a real move from noise.
Crypto trading volume vs turnover explained
How trading volume in coins differs from turnover in dollars, why 24h volume drops for no clear reason, what a spike means, and how to spot wash trading.
