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.

CollPlant Biotechnologies Ltd. Sponsored ADR (CLGN) had 30-Day Put-Call Ratio (Volume) of 1.6607 for 2025-05-30.

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Figures for 2025-05-30

Volatility Metrics
Historical Volatility (Close-to-Close)	2.6849
Historical Volatility (Parkinson)	1.7707
Implied Volatility (Calls)	2.5749
Implied Volatility (Puts)	3.1259
Implied Volatility (Mean)	2.8504
Put-Call Implied Volatility Ratio	1.2140
Implied Volatility Skew	0.5304
Option Statistics
Put-Call Ratio (Volume)	1.6607
Put-Call Ratio (Open Interest)	0.2038