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.

Vistra Corp. (VST) had 20-Day Put-Call Ratio (Volume) of 0.9299 for 2026-03-05.

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Figures for 2026-03-05

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3529
Historical Volatility (Parkinson)	0.4385
Implied Volatility (Calls)	0.5725
Implied Volatility (Puts)	0.5576
Implied Volatility (Mean)	0.5651
Put-Call Implied Volatility Ratio	0.9738
Implied Volatility Skew	0.0566
Option Statistics
Put-Call Ratio (Volume)	0.9299
Put-Call Ratio (Open Interest)	3.1091