Put-Call Ratio (Volume) (30-Day)

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

ProShares Online Retail ETF (ONLN) 30-Day Put-Call Ratio (Volume) data is not available for 2026-04-21.

Over 300 data fields encompassing historical volatility, implied volatility, and put-call ratios for multiple time frames
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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3116
Historical Volatility (Parkinson)	0.1524
Implied Volatility (Calls)	0.3197
Implied Volatility (Puts)	0.2590
Implied Volatility (Mean)	0.2893
Put-Call Implied Volatility Ratio	0.8102
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.0000