Stock Volatility Thirty Days

Calculates the historical volatility of a stock over the past 30 trading days.

Examples

=StockVolatilityThirtyDays("AAPL")

When to Use

  • Monthly risk assessment
  • Options pricing (common benchmark)
  • Portfolio risk analysis

When NOT to Use

Scenario Use Instead
Weekly view StockVolatilitySevenDays()
Quarterly view StockVolatilityThreeMonths()

Common Issues & FAQ

Q: How does 30-day compare to implied volatility? A: 30-day historical is often compared to IV for trading signals.

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MarketXLS Excel Add-in Tutorial - How to Use Stock Volatility Thirty Days and Other Financial Formulas
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