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.

Richardson Electronics, Ltd. (RELL) had 90-Day Put-Call Ratio (Volume) of 0.0000 for 2026-06-05.

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Figures for 2026-06-05

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7114
Historical Volatility (Parkinson)	0.6827
Implied Volatility (Calls)	1.1150
Implied Volatility (Puts)	1.1621
Implied Volatility (Mean)	1.1386
Put-Call Implied Volatility Ratio	1.0422
Implied Volatility Skew	-0.0276
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.1957