Put-Call Ratio (Volume) (20-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 20-Day Put-Call Ratio (Volume) of 0.6655 for 2026-11-06.

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Figures for 2026-11-06

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2213
Historical Volatility (Parkinson)	0.1368
Implied Volatility (Calls)	0.1885
Implied Volatility (Puts)	0.1894
Implied Volatility (Mean)	0.1890
Put-Call Implied Volatility Ratio	1.0045
Implied Volatility Skew	0.1085
Option Statistics
Put-Call Ratio (Volume)	0.6655
Put-Call Ratio (Open Interest)	1.7143