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
- Trading Dashboard — Quick sentiment check
- Blog/Newsletter — Embed in market updates
- Discord Server — Daily sentiment bot
- Portfolio App — Contextual indicator
Environment Variables
PRISM_URL=https://strykr-prism.up.railway.app
Built by @NextXFrontier
