fear-greed

Crypto Sentiment Widget

Market mood at a glance. Embeddable Fear & Greed Index for crypto dashboards and trading apps.

Drop-in React and HTML components. Real-time updates. No API key required. Powered by Strykr PRISM.

Quick Usage

# Get current Fear & Greed value
./fear-greed.sh

# Get JSON output
./fear-greed.sh --json

# Get historical data
./fear-greed.sh --history

PRISM Endpoint

Endpoint	Description	Speed
GET /market/fear-greed	Current index	229ms

Index Values

Range	Label	Meaning
0-25	Extreme Fear	Buy opportunity?
26-45	Fear	Caution
46-55	Neutral	Wait and see
56-75	Greed	Take profits?
76-100	Extreme Greed	Possible top

Output Formats

Terminal (Default)

📊 Crypto Fear & Greed Index

   ┌─────────────────────┐
   │                     │
   │         72          │
   │       GREED         │
   │                     │
   │  ████████████████░░ │
   │                     │
   └─────────────────────┘

   Last updated: 2026-01-28 13:15 UTC

JSON

{
  "value": 72,
  "label": "Greed",
  "timestamp": "2026-01-28T13:15:00Z"
}

Widget Variants

1. Gauge (Circle)

    ╭───────╮
   ╱    72   ╲
  │   GREED   │
   ╲         ╱
    ╰───────╯

2. Bar (Horizontal)

Fear & Greed: 72 (Greed)
████████████████░░░░░░░░░░

3. Badge (Compact)

┌────────┐
│ FG: 72 │
│   😀   │
└────────┘

Embed Options

React Component

import { FearGreedGauge } from '@strykr/fear-greed-widget';

function Dashboard() {
  return (
    <FearGreedGauge 
      theme="dark"
      size="md"
      variant="gauge"
      refreshInterval={300000}  // 5 minutes
    />
  );
}

HTML Embed

<div id="fear-greed-widget"></div>
<script src="https://cdn.strykr.com/fear-greed.js"></script>
<script>
  StrykrWidget.FearGreed({
    element: '#fear-greed-widget',
    theme: 'dark',
    variant: 'gauge'
  });
</script>

iframe

<iframe 
  src="https://widgets.strykr.com/fear-greed?theme=dark&variant=gauge"
  width="200" 
  height="200"
  frameborder="0"
></iframe>

Themes

Theme	Background	Text
dark	#0D0D0D	#F5F3EF
light	#FFFFFF	#1A1A1A
transparent	none	auto

Auto-Refresh

Widget auto-refreshes every 5 minutes by default.

// Custom refresh interval (in milliseconds)
FearGreedGauge({ refreshInterval: 60000 })  // 1 minute

Use Cases

1. Trading Dashboard — Quick sentiment check
2. Blog/Newsletter — Embed in market updates
3. Discord Server — Daily sentiment bot
4. Portfolio App — Contextual indicator

Environment Variables

PRISM_URL=https://strykr-prism.up.railway.app

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Built by @NextXFrontier