Put-Call Ratio (Open Interest) (150-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Quadratic Interest Rate Volatility and Inflation Hedge ETF (IVOL) had 150-Day Put-Call Ratio (Open Interest) of 0.1034 for 2026-01-16.

For much more extensive volatility insights, check out our new product VolVue:

Over 300 data fields encompassing historical volatility, implied volatility, and put-call ratios for multiple time frames
Download data in CSV, Excel, JSON, or XML format
Up to 20 years of data history
52-Week Rank and Percentile for all metrics and time frames

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0605
Historical Volatility (Parkinson)	0.0505
Implied Volatility (Calls)	--
Implied Volatility (Puts)	0.1737
Implied Volatility (Mean)	--
Put-Call Implied Volatility Ratio	--
Implied Volatility Skew	0.0282
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.1034