Put-Call Ratio (Volume) (90-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

State Street SPDR Dow Jones Industrial Average ETF Trust (DIA) had 90-Day Put-Call Ratio (Volume) of 1.4579 for 2026-08-10.

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Figures for 2026-08-10

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1288
Historical Volatility (Parkinson)	0.0999
Implied Volatility (Calls)	0.1433
Implied Volatility (Puts)	0.1435
Implied Volatility (Mean)	0.1434
Put-Call Implied Volatility Ratio	1.0016
Implied Volatility Skew	0.0390
Option Statistics
Put-Call Ratio (Volume)	1.4579
Put-Call Ratio (Open Interest)	0.9487