Put-Call Ratio (Volume) (150-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Roundhill Memory ETF (DRAM) had 150-Day Put-Call Ratio (Volume) of 0.6022 for 2026-05-19.

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Figures for 2026-05-19

Volatility Metrics
Historical Volatility (Close-to-Close)	--
Historical Volatility (Parkinson)	--
Implied Volatility (Calls)	0.7952
Implied Volatility (Puts)	0.7873
Implied Volatility (Mean)	0.7913
Put-Call Implied Volatility Ratio	0.9901
Implied Volatility Skew	-0.0234
Option Statistics
Put-Call Ratio (Volume)	0.6022
Put-Call Ratio (Open Interest)	0.4792