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.

Banco Santander, S.A. (SAN) had 30-Day Put-Call Ratio (Open Interest) of 4.6891 for 2025-09-30.

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Figures for 2025-09-30

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1704
Historical Volatility (Parkinson)	0.1220
Implied Volatility (Calls)	0.3042
Implied Volatility (Puts)	0.2873
Implied Volatility (Mean)	0.2957
Put-Call Implied Volatility Ratio	0.9445
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0573
Put-Call Ratio (Open Interest)	4.6891