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.

Richardson Electronics, Ltd. (RELL) had 30-Day Put-Call Ratio (Volume) of 1.0280 for 2026-10-19.

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Figures for 2026-10-19

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4945
Historical Volatility (Parkinson)	0.5263
Implied Volatility (Calls)	0.6726
Implied Volatility (Puts)	1.0112
Implied Volatility (Mean)	0.8419
Put-Call Implied Volatility Ratio	1.5035
Implied Volatility Skew	0.0195
Option Statistics
Put-Call Ratio (Volume)	1.0280
Put-Call Ratio (Open Interest)	0.0421