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.

Black Diamond Therapeutics, Inc. (BDTX) had 30-Day Put-Call Ratio (Volume) of 6.3824 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5583
Historical Volatility (Parkinson)	0.5912
Implied Volatility (Calls)	1.6606
Implied Volatility (Puts)	1.6170
Implied Volatility (Mean)	1.6388
Put-Call Implied Volatility Ratio	0.9737
Implied Volatility Skew	0.0159
Option Statistics
Put-Call Ratio (Volume)	6.3824
Put-Call Ratio (Open Interest)	0.0658