Implied Volatility (10 Day)
Returns the 10-day implied volatility, which represents the market's expectation of price movement over the next 10 trading days (approximately 2 weeks).
What is 10-Day IV?
10-day IV is calculated from options expiring in approximately 10 days. It's most relevant for:
- Weekly options trading
- Short-term event trades
- Earnings plays (when close to announcement)
Return Value
Returns a decimal value representing annualized volatility:
- 0.20 = 20% annualized IV
- 0.50 = 50% annualized IV
Expected Move Calculation
To estimate the expected move over 10 days:
Expected Move = Stock Price * IV * SQRT(10/252)Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
| Symbol | string | Yes | Stock ticker symbol |
| StartDate | date | No | Historical date (defaults to current) |
Syntax
=ImpliedVolatility10d(Symbol, [StartDate])Examples
=ImpliedVolatility10d("AAPL")=ImpliedVolatility10d("TSLA")=ImpliedVolatility10d("SPY")=ImpliedVolatility10d("AAPL",DATE(2024,1,15))=ImpliedVolatility10d(A1)=ImpliedVolatility10d("AAPL")*100When to Use
- Weekly options trading
- Short-term directional trades
- Earnings trade setup (when imminent)
- Very short-term volatility analysis
When NOT to Use
| Scenario | Use Instead |
|---|---|
| Need standard IV | ImpliedVolatility() or ImpliedVolatility30d() |
| Need longer-term IV | ImpliedVolatility1y() |
| Need IV ranking | ImpliedVolatilityRank1m() |
| Monthly options | ImpliedVolatility30d() |
Common Issues & FAQ
Why is 10-day IV different from 30-day IV?
Different timeframes capture different market expectations:
- 10-day IV is more sensitive to near-term events (like imminent earnings)
- 30-day IV is the standard benchmark for options analysis
How do I convert to percentage?
Multiply by 100: =ImpliedVolatility10d("AAPL")*100
How do I calculate expected move?
For a 10-day move: =Last("AAPL")*ImpliedVolatility10d("AAPL")*SQRT(10/252)
Related Formulas
More MarketXLS Options formulas you can use in the same worksheet:
- Implied Volatility 1 Year
- Implied Volatility 6 Month
- Implied Volatility 90 Day
- Implied Volatility Percentile (1 Year)
- Implied Volatility Rank (1 Year)
- Last Updated Iv Mxls
- Last Updated Iv Orats
- Last Updated Ivrp Mxls
See ImpliedVolatility10d used in a complete workbook: Implied Volatility Data MCP: Pull Live IV, IV Rank and Term Structure Into Excel and Any AI Assistant
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