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 UltraShort Ether ETF (ETHD) had 60-Day Historical Volatility (Close-to-Close) of 1.5840 for 2025-12-15.
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