Put-Call Ratio (Volume) (180-Day)

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

Zscaler, Inc. (ZS) had 180-Day Put-Call Ratio (Volume) of 0.9993 for 2026-01-09.

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Figures for 2026-01-09

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3620
Historical Volatility (Parkinson)	0.2973
Implied Volatility (Calls)	0.4622
Implied Volatility (Puts)	0.4530
Implied Volatility (Mean)	0.4576
Put-Call Implied Volatility Ratio	0.9801
Implied Volatility Skew	0.0126
Option Statistics
Put-Call Ratio (Volume)	0.9993
Put-Call Ratio (Open Interest)	0.9822