Put-Call Ratio (Open Interest) (180-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.

Halliburton Company (HAL) had 180-Day Put-Call Ratio (Open Interest) of 0.5495 for 2026-01-13.

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Figures for 2026-01-13

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3766
Historical Volatility (Parkinson)	0.3247
Implied Volatility (Calls)	0.3826
Implied Volatility (Puts)	0.3772
Implied Volatility (Mean)	0.3799
Put-Call Implied Volatility Ratio	0.9859
Implied Volatility Skew	0.0147
Option Statistics
Put-Call Ratio (Volume)	0.0483
Put-Call Ratio (Open Interest)	0.5495