Put-Call Ratio (Volume) (10-Day)

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

Leidos Holdings, Inc. (LDOS) had 10-Day Put-Call Ratio (Volume) of 0.3263 for 2026-10-21.

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Figures for 2026-10-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1969
Historical Volatility (Parkinson)	0.2001
Implied Volatility (Calls)	0.4332
Implied Volatility (Puts)	0.3807
Implied Volatility (Mean)	0.4070
Put-Call Implied Volatility Ratio	0.8787
Implied Volatility Skew	-0.0085
Option Statistics
Put-Call Ratio (Volume)	0.3263
Put-Call Ratio (Open Interest)	0.3903