Put-Call Ratio (Volume) (120-Day)

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

National Steel Company (SID) had 120-Day Put-Call Ratio (Volume) of 0.0000 for 2026-07-21.

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Figures for 2026-07-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5894
Historical Volatility (Parkinson)	0.4425
Implied Volatility (Calls)	0.6449
Implied Volatility (Puts)	0.6482
Implied Volatility (Mean)	0.6466
Put-Call Implied Volatility Ratio	1.0050
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.1788