Put-Call Ratio (Open Interest) (10-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.

Sun Life Financial Inc. (SLF) had 10-Day Put-Call Ratio (Open Interest) of 0.6585 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1628
Historical Volatility (Parkinson)	0.1402
Implied Volatility (Calls)	0.2571
Implied Volatility (Puts)	0.2974
Implied Volatility (Mean)	0.2773
Put-Call Implied Volatility Ratio	1.1570
Implied Volatility Skew	0.1119
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.6585