Historical Volatility (Close-to-Close) (30-Day)
Historical Volatility (Close-to-Close): The past volatility of the security over the selected time frame, calculated using the closing price on each trading day.
Capital Group U.S. Small and Mid Cap ETF (CGMM) had 30-Day Historical Volatility (Close-to-Close) of 0.2213 for 2025-05-29.
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