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 Ultra QQQ Top 30 (QQXL) 60-Day Historical Volatility (Close-to-Close) data is not available for 2025-08-22.
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- Up to 20 years of data history
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