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.

EVERSPIN TECH (MRAM) had 90-Day Put-Call Ratio (Volume) of 2.8052 for 2026-07-20.

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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	1.6798
Historical Volatility (Parkinson)	1.3009
Implied Volatility (Calls)	1.2101
Implied Volatility (Puts)	1.1772
Implied Volatility (Mean)	1.1937
Put-Call Implied Volatility Ratio	0.9728
Implied Volatility Skew	0.0766
Option Statistics
Put-Call Ratio (Volume)	2.8052
Put-Call Ratio (Open Interest)	0.3711