Put-Call Ratio (Open Interest) (120-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Zymeworks Inc. (ZYME) had 120-Day Put-Call Ratio (Open Interest) of 3.9839 for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4709
Historical Volatility (Parkinson)	0.4726
Implied Volatility (Calls)	0.6257
Implied Volatility (Puts)	0.5622
Implied Volatility (Mean)	0.5939
Put-Call Implied Volatility Ratio	0.8985
Implied Volatility Skew	0.0983
Option Statistics
Put-Call Ratio (Volume)	0.9898
Put-Call Ratio (Open Interest)	3.9839