Historical Volatility (Close-to-Close) (60-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.
ProShares UltraPro Dow30 (UDOW) had 60-Day Historical Volatility (Close-to-Close) of 0.2953 for 2025-10-13.
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