Metadata

name: alphagbm-iv-rank
description: IV Rank and IV Percentile analysis showing where current implied volatility stands relative to its 252-day history. Returns IV rank (0-100), IV percentile (0-100), IV history data, and trading signals based on IV zone. Use when: deciding whether to buy or sell premium, checking if IV is high or low, timing volatility trades, screening for IV extremes. Triggers on: "IV rank AAPL", "is NVDA IV high", "IV percentile SPY", "historical IV TSLA", "is volatility cheap for META", "IV rank scan", "should I sell premium".
globs: ["mock-data/*.json"]

AlphaGBM IV Rank

Prerequisites

API Key: Set env ALPHAGBM_API_KEY (format agbm_xxxx...).
Base URL: Default https://alphagbm.zeabur.app. Override with env ALPHAGBM_BASE_URL.

What This Skill Does

Calculates IV Rank and IV Percentile for any ticker, placing current implied volatility in historical context. Answers the key question: "Is IV high or low right now, and what should I do about it?"

Key Metrics

Metric	Formula	What It Means
IV Rank	(Current IV - 52w Low) / (52w High - 52w Low) x 100	Where IV sits in its annual range. 0 = at the low, 100 = at the high
IV Percentile	% of days in past year where IV was lower than today	What % of the time IV was cheaper than now. 80 = IV was lower 80% of the time
Current IV	30-day ATM implied volatility	The market's current expectation of annualized movement
IV 52w High	Highest 30-day IV in past 252 trading days	Peak IV -- usually during selloffs or events
IV 52w Low	Lowest 30-day IV in past 252 trading days	Trough IV -- usually during calm, grinding markets
HV/IV Ratio	Historical Volatility / Implied Volatility	>1 means realized vol exceeds implied (IV may be cheap)

IV Zones and Trading Signals

IV Rank	Zone	What It Means	Suggested Action
80-100	Very High	IV is near its annual peak -- options are expensive	Sell premium: short strangles, iron condors, credit spreads
60-80	High	IV is elevated -- above-average option prices	Lean toward selling, but selective; good for covered calls
40-60	Moderate	IV is in the middle -- neither cheap nor expensive	Strategy-neutral; use directional view to decide
20-40	Low	IV is depressed -- options are cheap	Lean toward buying; good for debit spreads, long straddles
0-20	Very Low	IV is near its annual trough -- options are very cheap	Buy premium: long straddles, debit spreads, calendars (sell back month)

API Endpoint

IV Snapshot (instant, no quota cost)

GET /api/options/snapshot/<SYMBOL>

Returns: ATM IV, IV Rank, HV 30d, VRP, VRP level. This endpoint is free and does not count against your analysis quota.

Volatility Risk Premium (VRP)

VRP = Implied Vol - Historical Vol

VRP measures the gap between what the market expects (IV) and what actually happens (HV). It is a key signal for whether to sell or buy premium.

VRP Level	Value	Seller	Buyer
very_high	>=15%	Very favorable	Unfavorable
high	5-15%	Favorable	Slightly unfavorable
normal	+/-5%	Neutral	Neutral
low	-15% to -5%	Unfavorable	Favorable
very_low	<-15%	Very unfavorable	Very favorable

How to Use

Input

Required: Ticker symbol
Optional: Lookback period (default 252 days), IV measure (30-day ATM, 60-day, or custom)

Output Structure

{
  "ticker": "AAPL",
  "price": 218.45,
  "iv_current": 28.5,
  "iv_rank": 42,
  "iv_percentile": 55,
  "iv_52w_high": 48.2,
  "iv_52w_low": 18.8,
  "iv_52w_mean": 30.1,
  "hv_30d": 25.2,
  "hv_iv_ratio": 0.88,
  "zone": "moderate",
  "signal": "No strong IV edge. Use directional conviction to choose strategy.",
  "iv_history": {
    "dates": ["2025-04-01", "2025-04-02", "..."],
    "iv_values": [32.1, 31.8, "..."],
    "hv_values": [28.5, 28.3, "..."]
  },
  "notable_events": [
    {"date": "2026-01-28", "iv": 48.2, "event": "Earnings spike"},
    {"date": "2025-08-05", "iv": 44.1, "event": "Market selloff"}
  ]
}

Example Queries

User Says	What Happens
"IV rank AAPL"	IV rank, percentile, zone, and trading signal
"Is NVDA IV high?"	IV rank + zone classification + comparison to 52w range
"IV percentile SPY"	Percentile with historical context
"Historical IV TSLA"	Full 252-day IV history with HV overlay
"Is volatility cheap for META?"	IV rank + HV/IV ratio + buy/sell recommendation
"Should I sell premium on QQQ?"	IV rank-based answer with suggested strategies

Mock Data

Demo tickers available without API key: AAPL, NVDA, SPY, TSLA, META. IV history uses realistic 252-day data from mock-data/.

Related Skills

alphagbm-vol-surface -- Full 3D IV landscape across strikes and expirations
alphagbm-vol-smile -- IV skew for a specific expiration
alphagbm-options-strategy -- IV zone informs whether to buy or sell premium
alphagbm-options-score -- IV attractiveness is a key scoring factor

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Alphagbm Iv Rank

安装技能