Put-Call Ratio (Volume) (60-Day)

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

iShares S&P 100 ETF (OEF) had 60-Day Put-Call Ratio (Volume) of 1.6318 for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1046
Historical Volatility (Parkinson)	0.0793
Implied Volatility (Calls)	0.1615
Implied Volatility (Puts)	0.1550
Implied Volatility (Mean)	0.1582
Put-Call Implied Volatility Ratio	0.9596
Implied Volatility Skew	0.0634
Option Statistics
Put-Call Ratio (Volume)	1.6318
Put-Call Ratio (Open Interest)	0.5903