Put-Call Ratio (Volume) (30-Day)

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

Roundhill Space & Technology ETF (MARS) had 30-Day Put-Call Ratio (Volume) of 0.3133 for 2026-06-12.

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Figures for 2026-06-12

Volatility Metrics
Historical Volatility (Close-to-Close)	0.8931
Historical Volatility (Parkinson)	0.6440
Implied Volatility (Calls)	1.0581
Implied Volatility (Puts)	0.8742
Implied Volatility (Mean)	0.9661
Put-Call Implied Volatility Ratio	0.8262
Implied Volatility Skew	0.1525
Option Statistics
Put-Call Ratio (Volume)	0.3133
Put-Call Ratio (Open Interest)	0.0854