Implied Volatility Rank (1 Year)

Returns the implied volatility rank based on a 1-year (52-week) lookback period. IV Rank shows where the current IV stands relative to its high and low over the past year.

Calculation

IV Rank = (Current IV - 52w Low IV) / (52w High IV - 52w Low IV) * 100

Interpretation

IV Rank Meaning Strategy Implication
0-25 Historically low IV Consider buying options
25-50 Below historical average Neutral to buying
50-75 Above historical average Consider selling options
75-100 Historically high IV Favor selling strategies

Parameters

Parameter Type Required Description
Symbol string Yes Stock ticker symbol
StartDate date No Historical date (defaults to current)

1-Year vs 1-Month IV Rank

Timeframe Best For
1-Year Long-term perspective, major events
1-Month Short-term trading, recent volatility

Notes

  • The 1-year lookback provides better context for major market events
  • More stable than 1-month (less reactive to short-term spikes)

Syntax

=ImpliedVolatilityRank1y(Symbol, [StartDate])
Excel Desktop (Windows)

Examples

=ImpliedVolatilityRank1y("AAPL")
Current 1y IV rank for Apple
=ImpliedVolatilityRank1y("TSLA")
Tesla 1y IV rank
=ImpliedVolatilityRank1y("SPY")
SPY 1y IV rank
=ImpliedVolatilityRank1y("AAPL",DATE(2024,1,15))
Historical IV rank
=ImpliedVolatilityRank1y(A1)
Symbol from cell

When to Use

  • Long-term options strategy decisions
  • Screening for historically high/low IV stocks
  • Comparing current IV to annual range
  • Major options positions (LEAPs, etc.)

When NOT to Use

Scenario Use Instead
Need short-term perspective ImpliedVolatilityRank1m()
Need IV percentile ImpliedVolatilityPct1y()
Need raw IV value ImpliedVolatility()
Need specific period IV ImpliedVolatility30d(), etc.

Common Issues & FAQ

Why is 1-year IV rank lower than 1-month?

The 1-year rank uses the full year's high and low, which may include extreme values (like market crashes). This makes the current IV look lower relative to historical extremes.

Which IV Rank should I use?

  • 1-Year: Better for long-term perspective, accounts for major events
  • 1-Month: Better for short-term trading, more reactive

What IV Rank should I look for when selling options?

Generally, an IV Rank above 50 (ideally above 75) suggests IV is elevated and selling strategies may be favorable.

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