Put-Call Ratio (Volume) (150-Day)

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

State Street SPDR S&P 500 ETF Trust (SPY) had 150-Day Put-Call Ratio (Volume) of 0.3677 for 2026-03-20.

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Figures for 2026-03-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1218
Historical Volatility (Parkinson)	0.1109
Implied Volatility (Calls)	0.2196
Implied Volatility (Puts)	0.2248
Implied Volatility (Mean)	0.2222
Put-Call Implied Volatility Ratio	1.0238
Implied Volatility Skew	0.0920
Option Statistics
Put-Call Ratio (Volume)	0.3677
Put-Call Ratio (Open Interest)	1.0706