Historical Volatility (Parkinson) (20-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.

Roundhill Treasury Bond WeeklyPay ETF (TSYW) had 20-Day Historical Volatility (Parkinson) of 0.0508 for 2026-07-06.

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Figures for 2026-07-06

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1336
Historical Volatility (Parkinson)	0.0508
Implied Volatility (Calls)	0.2331
Implied Volatility (Puts)	0.2845
Implied Volatility (Mean)	0.2588
Put-Call Implied Volatility Ratio	1.2206
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--