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 South Korea ETF (EWY) had 180-Day Put-Call Ratio (Volume) of 2.6255 for 2026-09-10.

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 2026-09-10

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7052
Historical Volatility (Parkinson)	0.3878
Implied Volatility (Calls)	0.4497
Implied Volatility (Puts)	0.4913
Implied Volatility (Mean)	0.4705
Put-Call Implied Volatility Ratio	1.0926
Implied Volatility Skew	-0.0015
Option Statistics
Put-Call Ratio (Volume)	2.6255
Put-Call Ratio (Open Interest)	0.8400