IV Rank Calculator

What is IV Rank?

IV Rank (IVR) measures where the current Implied Volatility sits relative to its historical range over a selected period — typically 52 weeks. A reading of 0 means IV is at its lowest, and 100 means it is at its highest. Traders use IV Rank to decide whether options are relatively cheap or expensive.

IV Rank = (Current IV − 52-Week Low IV) ÷ (52-Week High IV − 52-Week Low IV) × 100
Step 1 — Enter Current IV
Step 2 — Enter Historical IV Data Minimum 2 entries required
Date (optional) IV Value (%)
✓ Results
IV Rank
—
out of 100
IV Percentile
—
percentile rank
Current IV
—
percent
IV Range
Low: — Current: — High: —
Interpretation

IV Rank Interpretation Guide
80–100
Very High
Options are expensive — favorable for selling premium
50–79
High
Above average volatility — consider selling premium
30–49
Moderate
Near average — evaluate both buying and selling strategies
10–29
Low
Below average volatility — favorable for option buyers
0–9
Very Low
Options are cheap — prime conditions for debit strategies

Risk Disclaimer

This IV Rank Calculator is provided for educational and informational purposes only and does not constitute financial, investment, or trading advice. Options trading involves substantial risk of loss and is not appropriate for all investors. Past implied volatility levels are not indicative of future results. IV Rank and IV Percentile are analytical tools — they should not be used in isolation as the basis for any trading decision.

Always conduct your own due diligence, consider your financial situation and risk tolerance, and consult a qualified financial advisor before entering any options trade. OptionBots.com and its affiliates are not responsible for any losses incurred from the use of this tool.

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