Historical Volatility (Parkinson) (150-Day)
Historical Volatility (Parkinson): The past volatility of the security over the selected time frame, calculated using the high and low prices on each trading day.
GraniteShares 1.25x Long TSLA Daily ETF (TSL) had 150-Day Historical Volatility (Parkinson) of 0.4704 for 2026-01-20.
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