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.

SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No K-1 ETF (CERY) had 10-Day Historical Volatility (Parkinson) of 0.0863 for 2026-10-16.

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

10-Day 20-Day 30-Day 60-Day
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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0802
Historical Volatility (Parkinson)	0.0863
Implied Volatility (Calls)	0.2278
Implied Volatility (Puts)	0.2903
Implied Volatility (Mean)	0.2590
Put-Call Implied Volatility Ratio	1.2740
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--