Bitcoin Market Sentiment - September 21, 2018: Greed (65/100)

Bitcoin market sentiment on September 21, 2018 was 65/100 (Greed), per Perception's analysis of 40 signals across 1,000+ media sources.

Fear & Greed Index

65
Greed

Based on analysis of 40 sources

Daily Sentiment Analysis

Markets showed greed with an optimistic score of 65/100. Bullish sentiment dominated with 15 positive signals from 40 sources.

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 September 21, 2018, the market sentiment was classified as Greed.

Source Breakdown

15
Positive Signals
16
Neutral Signals
9
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
Perception Beta closes July 15. Lock in $149/mo for life before rates transition to $249/mo.Lock in rate

Narrative engineering for digital asset operators

Measure how media, analysts, and markets talk about your brand across 1,000+ sources, streaming real-time narrative intelligence directly into your AI workflows and daily operations.

Start connecting your agents
Cursor
{
  "mcpServers": {
    "perception": {
      "url": "https://mcp.perception.to/mcp"
    }
  }
}
No key required · 5 requests/dayView details →

Teams use Perception to replace Meltwater, Brand24, and Muck Rack. That's about $18,000 a year back.

↳ Trusted by teams at

RelaiBitGoBitcoin WellSwan

↳ Cited by

CointelegraphCoinDeskBitcoin MagazineForbes

14,000 mentions across 1,000+ sources this week. The signal that mattered was scattered across news, social, podcasts, and filings.

See how the market perceives you and your competitors

Track and identify the exact journalists and editorial authors covering specific asset themes in real time, separating organic coverage from syndicated noise.

  • Isolate high-influence writers and article streams across global feeds
  • Filter syndicated press noise to target primary original authors

Find the market trends others miss and use them to your advantage

Map competitive whitespace and structural messaging deficits across institutional assets and protocols to identify where coverage falls short.

  • Expose competitor narrative gaps across major digital assets
  • Pinpoint exact messaging deficits to claim authority whitespace

Real-time signal.
zero homogenized noise

Traditional media trackers flood corporate desks with unfiltered, duplicate press releases. Standard LLMs rely on stale, averaged search engine scraping. Perception bridges the structural gap: connecting isolated enterprise AI instances directly to curated, channel-weighted primary data streams.

Read the deck

One simple plan. Full platform access

Comparing options? See how Perception stacks up as a Brand24, Meltwater, or Muck Rack alternative. Or, learn about the trade-offs of maintaining web scrapers and running real-time sentiment analysis for a database of our size.

Lock in rate ($149/mo)

Perception

Full access to our narrative tracking dashboard, developer API, and MCP tools.

$249$149/mo
or $119/mo billed per year
14-day free trial · no credit card
  • Full access to 1,000+ source database
  • Unlimited company & topic tracking with alerts
  • Unlimited custom reports and briefs
  • Earnings call summaries and analysis
  • Advanced sentiment and narrative analysis
  • Custom dashboards by outlet or region
  • MCP Access: Claude, ChatGPT, Cursor, Gemini
  • Slack & email alerts
  • Email support
  • 20 MCP & API requests/day: built for daily research sessions

Running automated agents? You want Intelligence.

Lock in rate

Grandfathered rate, closes July 15. Code BETA149.

For automated agents

Perception Intelligence

For teams that put Perception inside their AI workflows and run agents on it.

$499/mo
or $119/mo billed per year
14-day free trial · no credit card
  • Everything in Platform
  • 100 MCP & API requests/day: enough for scheduled agents plus live research
  • All 23 MCP tools
  • Priority support
Start with Intelligence

 

Limited capacity

Advisory

Comprehensive narrative strategy, positioning, and communications advisory driven by the full Perception dataset. Strictly limited capacity.

Custom
  • Narrative strategy & positioning
  • Communications & marketing
  • Content strategy & execution
  • Team narrative training
  • Direct access to the team
Learn more about Advisory

 

Replace your media tools and save $18,000 a year

Meltwater, Brand24, and Muck Rack are redundant. Perception consolidates your intelligence footprint into a single real-time stream, saving you $18,000 a year and reclaiming hundreds of analyst hours.

Redundant Stack
Meltwater
Brand24
Muck Rack
$1,750/moRedundant
Consolidated Stream
Perception Platform
$149/mo
Eradicate redundant seats and save $18,000 a year.Start Free Trial

Questions? Talk to sales and we'll walk you through the platform live.

Frequently asked questions

operational transparency, platform queries, and capabilities.

Get startedView pricing