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.

ACM Research, Inc. (ACMR) had 30-Day Put-Call Ratio (Volume) of 3.3997 for 2026-03-04.

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Figures for 2026-03-04

Volatility Metrics
Historical Volatility (Close-to-Close)	1.1056
Historical Volatility (Parkinson)	0.7610
Implied Volatility (Calls)	0.8533
Implied Volatility (Puts)	0.8337
Implied Volatility (Mean)	0.8435
Put-Call Implied Volatility Ratio	0.9770
Implied Volatility Skew	0.0674
Option Statistics
Put-Call Ratio (Volume)	3.3997
Put-Call Ratio (Open Interest)	0.2701