Put-Call Ratio (Volume) (90-Day)

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

South Bow Corporation (SOBO) had 90-Day Put-Call Ratio (Volume) of 0.0000 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1969
Historical Volatility (Parkinson)	0.2118
Implied Volatility (Calls)	0.3115
Implied Volatility (Puts)	0.2368
Implied Volatility (Mean)	0.2741
Put-Call Implied Volatility Ratio	0.7602
Implied Volatility Skew	0.1183
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.0730