Put-Call Ratio (Volume) (90-Day)

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

Sandisk Corporation (SNDK) had 90-Day Put-Call Ratio (Volume) of 0.4056 for 2026-01-20.

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Figures for 2026-01-20

Volatility Metrics
Historical Volatility (Close-to-Close)	1.2546
Historical Volatility (Parkinson)	1.0019
Implied Volatility (Calls)	1.0393
Implied Volatility (Puts)	1.0379
Implied Volatility (Mean)	1.0386
Put-Call Implied Volatility Ratio	0.9986
Implied Volatility Skew	0.0097
Option Statistics
Put-Call Ratio (Volume)	0.4056
Put-Call Ratio (Open Interest)	0.6055