Put-Call Ratio (Open Interest) (150-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.

ProShares S&P 500 Dividend Aristocrats ETF (NOBL) had 150-Day Put-Call Ratio (Open Interest) of 3.8819 for 2026-01-20.

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Figures for 2026-01-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1085
Historical Volatility (Parkinson)	0.0936
Implied Volatility (Calls)	0.1490
Implied Volatility (Puts)	0.1308
Implied Volatility (Mean)	0.1399
Put-Call Implied Volatility Ratio	0.8780
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	3.8819