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.

SPDR Dow Jones Industrial Average ETF (DIA) had 30-Day Put-Call Ratio (Open Interest) of 0.9404 for 2026-02-10.

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Figures for 2026-02-10

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1424
Historical Volatility (Parkinson)	0.1052
Implied Volatility (Calls)	0.1451
Implied Volatility (Puts)	0.1388
Implied Volatility (Mean)	0.1420
Put-Call Implied Volatility Ratio	0.9566
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	2.8898
Put-Call Ratio (Open Interest)	0.9404