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.

SPDR Dow Jones Industrial Average ETF (DIA) had 20-Day Put-Call Ratio (Open Interest) of 1.0676 for 2025-06-20.

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Figures for 2025-06-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1088
Historical Volatility (Parkinson)	0.0842
Implied Volatility (Calls)	0.1589
Implied Volatility (Puts)	0.1467
Implied Volatility (Mean)	0.1528
Put-Call Implied Volatility Ratio	0.9233
Implied Volatility Skew	0.1092
Option Statistics
Put-Call Ratio (Volume)	1.7117
Put-Call Ratio (Open Interest)	1.0676