Put-Call Ratio (Open Interest) (30-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Defiance Quantum ETF (QTUM) had 30-Day Put-Call Ratio (Open Interest) of 0.7042 for 2026-01-20.

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Figures for 2026-01-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1944
Historical Volatility (Parkinson)	0.1112
Implied Volatility (Calls)	0.2736
Implied Volatility (Puts)	0.2781
Implied Volatility (Mean)	0.2759
Put-Call Implied Volatility Ratio	1.0167
Implied Volatility Skew	-0.0010
Option Statistics
Put-Call Ratio (Volume)	1.5658
Put-Call Ratio (Open Interest)	0.7042