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.
FT Vest Bitcoin Strategy Floor15 ETF - October (BFOC) had 20-Day Historical Volatility (Close-to-Close) of 0.1312 for 2025-11-21.
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