MarketXLS

Stock Volatility Nine Months

Calculates the historical volatility of a stock over the past 9 months (approximately 270 days).

Syntax

=StockVolatilityNineMonths(symbol)
Excel Desktop (Windows)

Examples

=StockVolatilityNineMonths("AAPL")

When to Use

  • Three-quarter risk assessment
  • Long-term trend analysis
  • Annual planning inputs

When NOT to Use

Scenario Use Instead
Semi-annual StockVolatilitySixMonths()
Full year StockVolatilityOneYear()

Common Issues & FAQ

Why 9 months specifically?

Captures three quarters of data, useful for year-end projections.

Excel Templates Using Stock Volatility Nine Months

These ready-made MarketXLS templates call StockVolatilityNineMonths() in their worksheet formulas. Open one to see the function working inside a complete model.

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MarketXLS Excel Add-in Tutorial - How to Use Stock Volatility Nine Months and Other Financial Formulas
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