Put-Call Ratio (Volume) (90-Day)

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

Atomera Incorporated (ATOM) had 90-Day Put-Call Ratio (Volume) of 0.1893 for 2026-04-06.

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Figures for 2026-04-06

Volatility Metrics
Historical Volatility (Close-to-Close)	1.7223
Historical Volatility (Parkinson)	1.3599
Implied Volatility (Calls)	1.3579
Implied Volatility (Puts)	1.4840
Implied Volatility (Mean)	1.4210
Put-Call Implied Volatility Ratio	1.0928
Implied Volatility Skew	0.0273
Option Statistics
Put-Call Ratio (Volume)	0.1893
Put-Call Ratio (Open Interest)	0.0956