Put-Call Ratio (Volume) (20-Day)

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

Teradyne, Inc. (TER) had 20-Day Put-Call Ratio (Volume) of 4.2228 for 2026-07-20.

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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	1.0111
Historical Volatility (Parkinson)	0.7963
Implied Volatility (Calls)	1.2857
Implied Volatility (Puts)	1.3069
Implied Volatility (Mean)	1.2963
Put-Call Implied Volatility Ratio	1.0165
Implied Volatility Skew	0.0452
Option Statistics
Put-Call Ratio (Volume)	4.2228
Put-Call Ratio (Open Interest)	0.6172