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.

Photronics, Inc. (PLAB) had 150-Day Put-Call Ratio (Volume) of 1.1336 for 2026-04-17.

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Figures for 2026-04-17

Volatility Metrics
Historical Volatility (Close-to-Close)	0.8891
Historical Volatility (Parkinson)	0.5991
Implied Volatility (Calls)	0.6656
Implied Volatility (Puts)	0.6773
Implied Volatility (Mean)	0.6715
Put-Call Implied Volatility Ratio	1.0176
Implied Volatility Skew	0.0214
Option Statistics
Put-Call Ratio (Volume)	1.1336
Put-Call Ratio (Open Interest)	0.1518