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.

iShares U.S. Carbon Transition Readiness Aware Active ETF (LCTU) had 10-Day Historical Volatility (Parkinson) of 0.0663 for 2026-01-20.

For much more extensive volatility insights, check out our new product VolVue:

Over 300 data fields encompassing historical volatility, implied volatility, and put-call ratios for multiple time frames
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Up to 20 years of data history
52-Week Rank and Percentile for all metrics and time frames

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Figures for 2026-01-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1447
Historical Volatility (Parkinson)	0.0663
Implied Volatility (Calls)	0.2510
Implied Volatility (Puts)	0.2633
Implied Volatility (Mean)	0.2571
Put-Call Implied Volatility Ratio	1.0491
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--