Put-Call Ratio (Volume) (30-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 30-Day Put-Call Ratio (Volume) of 0.0000 for 2026-10-21.

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Figures for 2026-10-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2549
Historical Volatility (Parkinson)	0.2768
Implied Volatility (Calls)	0.3548
Implied Volatility (Puts)	0.4270
Implied Volatility (Mean)	0.3909
Put-Call Implied Volatility Ratio	1.2035
Implied Volatility Skew	-0.0413
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.1371