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feargreed

Skill0 starsChanged 9 months agoMITView on GitHub

Use when the user asks about market sentiment, fear and greed index, crypto mood, or wants a contrarian/momentum read on market emotion. Fetches the Crypto Fear & Greed Index with configurable thresholds, z-score analytics, and multi-timeframe trend analysis.

In this repository4 other files it gives its agents.
- CLAUDE.mdCLAUDE.md
- lunarcrushSkill
- news-scannerSkill
- polymarketSkill

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SKILL.md

Fear & Greed Index

Crypto Fear & Greed Index — contrarian (or momentum) sentiment signal.

API

Source: api.alternative.me/fng/
Auth: None (free, public)
Rate limit: Not documented; data updates daily

Usage

uv run skills/feargreed/scripts/feargreed.py [options]

Options

Flag	Default	Description
`--mode`	`contrarian`	Signal interpretation: `contrarian` or `momentum`
`--oversold`	`25`	F&G value below this = extreme fear
`--overbought`	`75`	F&G value above this = extreme greed
`--history-days`	`90`	Days of history to fetch for analytics

Modes

contrarian (default): Extreme fear = bullish, extreme greed = bearish
momentum: Follows the crowd — fear = bearish, greed = bullish

Output (SignalOutput v1)

{
  "schema": "signal/v1",
  "signal": "bullish|bearish|neutral",
  "confidence": 0-100,
  "reasoning": "F&G at 23 (extreme fear) — contrarian bullish",
  "data": {
    "current": { "value": 23, "label": "Extreme Fear" },
    "previous": { "value": 28, "label": "Fear" },
    "trend": "falling"
  },
  "analytics": {
    "zscore_30d": -1.8,
    "percentile_90d": 12,
    "trend_7d": -5,
    "trend_30d": -15,
    "trend_90d": +8,
    "regime_days": 4,
    "consensus": "aligned"
  }
}

Analytics

zscore_30d: Current value vs 30-day rolling mean/stddev
percentile_90d: Where current value sits in 90-day distribution
trend_Nd: Change from N days ago (absolute)
regime_days: Consecutive days in current signal zone
consensus: aligned if 2+ timeframes agree, mixed otherwise

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