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 0.0889 for 2026-04-29.

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Figures for 2026-04-29

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5199
Historical Volatility (Parkinson)	0.4805
Implied Volatility (Calls)	0.7878
Implied Volatility (Puts)	0.8784
Implied Volatility (Mean)	0.8331
Put-Call Implied Volatility Ratio	1.1150
Implied Volatility Skew	0.1392
Option Statistics
Put-Call Ratio (Volume)	0.0889
Put-Call Ratio (Open Interest)	1.1394