Put-Call Ratio (Open Interest) (30-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 MidCap 400 Dividend Aristocrats ETF (REGL) had 30-Day Put-Call Ratio (Open Interest) of 3.0000 for 2025-05-30.

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Figures for 2025-05-30

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1678
Historical Volatility (Parkinson)	0.1130
Implied Volatility (Calls)	0.1879
Implied Volatility (Puts)	0.2069
Implied Volatility (Mean)	0.1974
Put-Call Implied Volatility Ratio	1.1010
Implied Volatility Skew	0.0316
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	3.0000