Bitcoin Market Sentiment - February 21, 2019: Greed (76/100)

Bitcoin market sentiment on February 21, 2019 was 76/100 (Greed), per Perception's analysis of 255 signals across 1,000+ media sources.

Fear & Greed Index

76
Greed

Based on analysis of 255 sources

Daily Sentiment Analysis

Markets displayed extreme greed with a score of 76/100. Strong bullish sentiment was detected across 255 sources with 112 positive signals.

The Bitcoin Fear & Greed Index measures investor sentiment on a scale of 0-100, where 0 represents extreme fear and 100 represents extreme greed. On February 21, 2019, the market sentiment was classified as Greed.

Source Breakdown

112
Positive Signals
98
Neutral Signals
45
Negative Signals

Related Analysis

Get This Data Programmatically

Live and historical Bitcoin sentiment is available to AI assistants via the Perception MCP server (works with Claude, ChatGPT, and Gemini) and to developers via the REST API. Free tier available, no credit card required.

Skip to content
Digital-asset intelligence

Digital-asset intelligence for reputation, commercial, and market decisions.

Monitor thousands of sources and 15 years of history to track company narratives, commercial signals, and market sentiment.

Start 14-day trialSee sample intelligence brief
app.perception.to

↳ Trusted by

21M CommunicationsBitcoin WellRelaiBitGoSwanNative

↳ Cited by

CointelegraphCoinDeskBitcoin MagazineForbes

The problem

A running record of who said what in digital assets, since 2011

14,000 mentions land across thousands of sources in a typical week. Perception scores them, resolves the people and companies, and keeps every one of them queryable.

News
X / Twitter
Podcasts
SEC Filings
LinkedIn
GitHub
Reddit

Scattered signal

Legacy tools like Meltwater flood you with unfiltered noise. AI models like Claude and ChatGPT miss emerging trends and produce stale consensus.

Perception
Sentiment scoring
Entity recognition
Trend detection
Real-time alerts

The narrative record

Perception scores every mention, resolves the people and companies, and keeps 15 years of it queryable. It streams what matters to your Slack, your dashboard, or your AI.

Three customer decisions

Start with the decision your team owns

Each example comes from a published Perception customer case study.

BitGoRegulatory positioning

Track competitor narratives and regulatory shifts across markets

BitGo replaced Sprout Social to track competitor narratives and regulatory terminology across the US, EU, and APAC.

Bitcoin WellContent timing

Turn live narrative signals into content that reaches further

Bitcoin Well grew content reach 5–10x with real-time narrative intelligence.

RelaiInvestor reporting

Build quarterly investor briefings from live market intelligence

Relai saves 5+ hours a week on stakeholder reports and powers quarterly investor briefings.

The Perception Index

The digital asset narrative, indexed daily.

One score for how the world is talking about digital assets, computed every day since 2011. Here it is live, tracked against Bitcoin’s price.

Loading the index…
21%
Mostly independent of price

Regress the Perception Index on trailing price returns and they explain 21% of it. The other four fifths come from what sources are actually saying.

68%
Fear & Greed largely restates price

Run the identical regression on the Fear & Greed Index and price explains 68%. Most of what it reports back to you is the chart you were already looking at.

~3 days
Lead time on the Fear & Greed Index

The Perception Index turns about three days ahead of Fear & Greed, measured across 3,075 daily observations (t = 2.45).

2011
One formula, fifteen years

Computed daily from the archived corpus back to 2011, on the same formula throughout, so every point is comparable.

The full daily history and methodology live in the Perception Index archive.

The system

One pipeline from thousands of sources to wherever you work

01 · Your coverage01 / 03

A weekly briefing on your company, written for your board

A worker watches your company around the clock and writes the brief: what changed, who wrote it, and what your competitors did about it.

  • Emailed every week, ready to forward to your CMO
  • Reporter map and crisis monitor run on the same record
Start 14-day trial
02 · Your competitors02 / 03

Watch your rivals the way the market does

Every competitor has an entity page: media, social, filings, insider trades, and hiring. Catch the gap between what they say and what they do.

  • Media sentiment tracked against Form 4 insider activity and 13F positions
  • Share of voice, divergence, and hiring signals per company
Start 14-day trial
03 · Your AI03 / 03

Let your agents work for you

Connect once and your agents query 15 years of digital-asset sources continuously, returning answers with sources attached.

  • One MCP connection covers Claude, ChatGPT, Cursor, and VS Code
  • Runs on a schedule, escalates only what breaks a threshold
Start 14-day trial

The platform

Nine modules, one narrative record

Measurement, workflow, and integration. Every module reads from the same signal.

Narrative Systems

01
Pulse

Real-time sentiment index for the market and each sector.

Narratives

Emerging narratives ranked by signal strength and how fast they spread.

Voices

What was said on earnings calls, podcasts, and conference stages.

Workflow Engines

02
Alerts

Slack or email the moment coverage moves.

Digest

Sentiment, top narratives, and your watchlist in one scheduled read.

Earnings

Every call scored for management tone, with the quotes and the dodges.

Integration Models

03
MCP

Connect Claude, ChatGPT, or Cursor straight to Perception data.

API

REST access to sentiment, trend, and article data.

Brains

Complete post histories of industry executives, ready to feed your AI.

How it works

Three steps to your narrative record

Set your focus once. Every brief, alert, and AI answer starts from there.

Step 1

CompaniesTopicsCompetitors

Connect your focus areas

Tell Perception what you care about: companies, topics, competitors. Set up watchlists and alerts in minutes.

Step 2

We monitor everything

News, social, podcasts, filings, earnings calls, all scored and clustered in real time. You only read what matters.

Step 3

Generate intelligence on demand

Briefings, due diligence, trend reports: ask your AI or use the dashboard. Cited deliverables in seconds.

Integrations

Works with your existing tools

Authorize once. Perception streams into the AI clients and workflow tools you already run.

  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Slack
  • Gemini
  • Gmail
  • GitHub
Perception

Every plan covers every company in the digital assets industry.

Perception

Full dashboard access, with MCP and developer API included at starter capacity.

$249/mo
or $199/mo billed per year
14-day free trial · no credit card
  • Your weekly board briefing Written and emailed by a worker that watches your company.
  • A crisis monitor on your name, around the clock Negative coverage triggers an email or Slack alert within 15 minutes.
  • A reporter map for your next launch The journalists on your topic, by outlet, with article counts and contact angles.
  • A deal pipeline from the news flow Funding rounds, partnerships, and market entries in a daily digest.
  • Earnings calls, condensed Management tone, directness, and the notable quotes.
  • Agents in Claude, ChatGPT, Cursor, and Gemini They answer with citations drawn from thousands of tracked sources.
  • Track any company or topic Sentiment scored in real time, with custom dashboards by outlet or region.
  • Unlimited reports, briefs, and watchlists
  • Email support
  • Capacity: 16 MCP tools, 20 credits a day

Running automated agents? You want Intelligence.

Start 14-day trial

 

Skip the trial, subscribe now
For automated agents

Perception Intelligence

Everything in Perception, at agent scale: 100 credits a day, flat rate, and the 15 advanced tools.

$499/mo
or $399/mo billed per year
14-day free trial · no credit card
  • Everything in Perception
  • Due diligence in one question Analyst consensus, insider trades, institutional holders, and regulatory history for any covered company.
  • A daily cross-signal digest your agent can file Analyst actions, sentiment shifts, earnings, and regulatory moves.
  • Scenario analysis against historical analogues How coverage actually behaved the last time this happened.
  • Agents with memory Save findings mid-session, recall them next week.
  • Full article text for quoting Plus reporter and commentator search.
  • Priority support
  • Capacity: all 31 tools, 100 credits a day, flat 1 credit per call at any size The 15 Intelligence-only tools: analyst ratings and price targets, regulatory and enforcement search, full article text, saved research with recall, scenario analysis, SEC insider activity, earnings call analysis, the daily intelligence digest, voice and reporter search, bulk corpus access, divergence signals, capital exposure data, and company hiring data with the sector-wide leaderboard.
Start 14-day trial

 

Skip the trial, subscribe now
Limited capacity

Strategic Intelligence Advisory

Founder-led interpretation and recurring intelligence artifacts for reputation, commercial, and market decisions.

  • Month-one narrative and decision audit
  • Weekly internal narrative state report
  • Live narrative status dashboard
  • Monthly executive deep dive
  • Weekly 30-minute working session
  • Decision log and adoption scorecard
Apply for Advisory

Three to six months

Product tiers start with the 14-day trial. Strategic Intelligence Advisory starts with the qualified application.

FAQ

Frequently asked questions

Get started

The dashboard for the weekly read. Your AI for the teams that automate

Perception reads thousands of sources around the clock. The reading is already done by the time you ask.

Start 14-day trialView pricing

14-day free evaluation · No credit card · Cancel anytime