Put-Call Ratio (Open Interest) (20-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Advanced Energy Industries, Inc. (AEIS) had 20-Day Put-Call Ratio (Open Interest) of 0.3475 for 2026-01-07.

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Figures for 2026-01-07

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3769
Historical Volatility (Parkinson)	0.2831
Implied Volatility (Calls)	0.4571
Implied Volatility (Puts)	0.4689
Implied Volatility (Mean)	0.4630
Put-Call Implied Volatility Ratio	1.0259
Implied Volatility Skew	0.0777
Option Statistics
Put-Call Ratio (Volume)	0.0175
Put-Call Ratio (Open Interest)	0.3475