Put-Call Ratio (Volume) (10-Day)

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

Westport Fuel Systems Inc. (WPRT) had 10-Day Put-Call Ratio (Volume) of 1453.5000 for 2026-07-20.

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 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5712
Historical Volatility (Parkinson)	0.6283
Implied Volatility (Calls)	1.1682
Implied Volatility (Puts)	1.5103
Implied Volatility (Mean)	1.3393
Put-Call Implied Volatility Ratio	1.2929
Implied Volatility Skew	-0.2725
Option Statistics
Put-Call Ratio (Volume)	1453.5000
Put-Call Ratio (Open Interest)	0.0000