Put-Call Ratio (Open Interest) (30-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.

SPDR FTSE International Government Inflation-Protectd Bond ETF (WIP) had 30-Day Put-Call Ratio (Open Interest) of 2.0408 for 2025-05-30.

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)	0.1180
Historical Volatility (Parkinson)	0.1045
Implied Volatility (Calls)	0.1585
Implied Volatility (Puts)	0.1231
Implied Volatility (Mean)	0.1408
Put-Call Implied Volatility Ratio	0.7762
Implied Volatility Skew	-0.0211
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	2.0408