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.

Omnicom Group Inc. (OMC) had 20-Day Put-Call Ratio (Open Interest) of 0.6033 for 2026-07-21.

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Figures for 2026-07-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4002
Historical Volatility (Parkinson)	0.3071
Implied Volatility (Calls)	0.4126
Implied Volatility (Puts)	0.3536
Implied Volatility (Mean)	0.3831
Put-Call Implied Volatility Ratio	0.8572
Implied Volatility Skew	0.1282
Option Statistics
Put-Call Ratio (Volume)	0.8489
Put-Call Ratio (Open Interest)	0.6033