Put-Call Ratio (Volume) (120-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 120-Day Put-Call Ratio (Volume) of 0.3945 for 2026-09-24.

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Figures for 2026-09-24

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1228
Historical Volatility (Parkinson)	0.0916
Implied Volatility (Calls)	0.1512
Implied Volatility (Puts)	0.1472
Implied Volatility (Mean)	0.1492
Put-Call Implied Volatility Ratio	0.9735
Implied Volatility Skew	0.0462
Option Statistics
Put-Call Ratio (Volume)	0.3945
Put-Call Ratio (Open Interest)	1.6609