Historical Volatility (Parkinson) (150-Day)
Historical Volatility (Parkinson): The past volatility of the security over the selected time frame, calculated using the high and low prices on each trading day.
Franklin U.S. Large Cap Multifactor Index ETF (FLQL) had 150-Day Historical Volatility (Parkinson) of 0.0926 for 2026-01-20.
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