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.

Banco Santander, S.A. (SAN) had 150-Day Put-Call Ratio (Volume) of 0.5275 for 2026-08-20.

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Figures for 2026-08-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3427
Historical Volatility (Parkinson)	0.1941
Implied Volatility (Calls)	0.2934
Implied Volatility (Puts)	0.3610
Implied Volatility (Mean)	0.3272
Put-Call Implied Volatility Ratio	1.2307
Implied Volatility Skew	0.0172
Option Statistics
Put-Call Ratio (Volume)	0.5275
Put-Call Ratio (Open Interest)	0.3448