Historical Volatility (Close-to-Close) (10-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 10-Day Historical Volatility (Close-to-Close) of 0.3631 for 2026-04-21.
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