Historical Volatility (Parkinson) (10-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.

VistaShares Target 15 ACKtivist Distribution ETF (ACKY) had 10-Day Historical Volatility (Parkinson) of 0.1498 for 2026-04-06.

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Over 300 data fields encompassing historical volatility, implied volatility, and put-call ratios for multiple time frames
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10-Day 20-Day 30-Day 60-Day
90-Day 120-Day 150-Day 180-Day

Figures for 2026-04-06

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1906
Historical Volatility (Parkinson)	0.1498
Implied Volatility (Calls)	--
Implied Volatility (Puts)	--
Implied Volatility (Mean)	--
Put-Call Implied Volatility Ratio	--
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--