Put-Call Ratio (Volume) (20-Day)

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

EVERSPIN TECH (MRAM) had 20-Day Put-Call Ratio (Volume) of 0.3593 for 2026-06-05.

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Figures for 2026-06-05

Volatility Metrics
Historical Volatility (Close-to-Close)	1.5077
Historical Volatility (Parkinson)	1.5284
Implied Volatility (Calls)	1.5566
Implied Volatility (Puts)	1.3730
Implied Volatility (Mean)	1.4648
Put-Call Implied Volatility Ratio	0.8820
Implied Volatility Skew	0.0447
Option Statistics
Put-Call Ratio (Volume)	0.3593
Put-Call Ratio (Open Interest)	0.4163