Put-Call Ratio (Volume) (30-Day)

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

Zai Lab Limited Unsponsored ADR (ZLAB) had 30-Day Put-Call Ratio (Volume) of 42.8571 for 2026-03-06.

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Figures for 2026-03-06

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5452
Historical Volatility (Parkinson)	0.4309
Implied Volatility (Calls)	1.0002
Implied Volatility (Puts)	1.3999
Implied Volatility (Mean)	1.2001
Put-Call Implied Volatility Ratio	1.3996
Implied Volatility Skew	0.2686
Option Statistics
Put-Call Ratio (Volume)	42.8571
Put-Call Ratio (Open Interest)	1.3500