Put-Call Ratio (Open Interest) (30-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Bel Fuse Inc. (BELFB) had 30-Day Put-Call Ratio (Open Interest) of 0.3219 for 2026-01-06.

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Figures for 2026-01-06

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3981
Historical Volatility (Parkinson)	0.4134
Implied Volatility (Calls)	0.4160
Implied Volatility (Puts)	0.4411
Implied Volatility (Mean)	0.4285
Put-Call Implied Volatility Ratio	1.0604
Implied Volatility Skew	0.0983
Option Statistics
Put-Call Ratio (Volume)	0.3333
Put-Call Ratio (Open Interest)	0.3219