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.
Direxion Daily AI and Big Data Bull 2X ETF (AIBU) had 20-Day Historical Volatility (Close-to-Close) of 0.4693 for 2026-07-20.
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