Put-Call Implied Volatility Ratio (20-Day)

Put-Call Implied Volatility Ratio: The ratio of implied volatilities of the at-the-money puts to the at-the-money calls.

State Street Communication Services Select Sector SPDR ETF (XLC) had 20-Day Put-Call Implied Volatility Ratio of 1.1884 for 2026-01-16.

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

10-Day 20-Day 30-Day 60-Day
90-Day 120-Day 150-Day 180-Day

Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0733
Historical Volatility (Parkinson)	0.0905
Implied Volatility (Calls)	0.1452
Implied Volatility (Puts)	0.1725
Implied Volatility (Mean)	0.1588
Put-Call Implied Volatility Ratio	1.1884
Implied Volatility Skew	0.0883
Option Statistics
Put-Call Ratio (Volume)	10.6667
Put-Call Ratio (Open Interest)	1.6575