Put-Call Ratio (Open Interest) (180-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.

FirstService Corporation (FSV) had 180-Day Put-Call Ratio (Open Interest) of 10.7616 for 2025-08-22.

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Figures for 2025-08-22

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2422
Historical Volatility (Parkinson)	0.2359
Implied Volatility (Calls)	0.1793
Implied Volatility (Puts)	0.1709
Implied Volatility (Mean)	0.1751
Put-Call Implied Volatility Ratio	0.9530
Implied Volatility Skew	0.0435
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	10.7616