Put-Call Ratio (Volume) (180-Day)

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

Tetra Tech, Inc. (TTEK) had 180-Day Put-Call Ratio (Volume) of 1.0000 for 2026-10-19.

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Figures for 2026-10-19

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2919
Historical Volatility (Parkinson)	0.3229
Implied Volatility (Calls)	0.3628
Implied Volatility (Puts)	0.3668
Implied Volatility (Mean)	0.3648
Put-Call Implied Volatility Ratio	1.0111
Implied Volatility Skew	0.0188
Option Statistics
Put-Call Ratio (Volume)	1.0000
Put-Call Ratio (Open Interest)	7.5154