Historical Volatility (Close-to-Close) (20-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.
First Trust New York Municipal High Income ETF (FMNY) had 20-Day Historical Volatility (Close-to-Close) of 0.0460 for 2025-05-30.
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