Volatility: Putting a Number on the Swings
Mean, Variance, and Standard Deviation
Volatility: Measuring How Much a Stock Swings
Volatility Drag: The Hidden Cost of σ²/2
Arithmetic vs Geometric Mean: What You Average vs What You Earn
Drawdown: How Far You're Down From the High
Maximum Drawdown: The Worst Peak-to-Trough Loss

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Arithmetic vs Geometric Mean: What You Average vs What You Earn

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