Put-Call Ratio (Volume) (180-Day)

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

iShares MSCI USA Size Factor ETF (SIZE) 180-Day Put-Call Ratio (Volume) data is not available for 2026-09-03.

Over 300 data fields encompassing historical volatility, implied volatility, and put-call ratios for multiple time frames
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Figures for 2026-09-03

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1278
Historical Volatility (Parkinson)	0.0752
Implied Volatility (Calls)	0.1419
Implied Volatility (Puts)	0.1564
Implied Volatility (Mean)	0.1492
Put-Call Implied Volatility Ratio	1.1019
Implied Volatility Skew	0.0255
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--