South Bow Common Shares (SOBO)'s 30-day implied volatility (IV30) was 24.2% at the close on October 27, 2026, down from 27.6% the day before, against a 52-week range of 16.1% to 31.2%. Its 20-day historical volatility was 24.3%.

Key numbers

30-day implied volatility (IV30): 24.2%
IV30 52-week range: 16.1% to 31.2% (median 24.4%)
Historical volatility: 20-day 24.3%, 1-year 23.4%
Implied move by the nearest expiration: ±1.8%

Data as of October 27, 2026.

SOBO Implied Volatility (IV) vs Historical Volatility (HV)

Name: SOBO Implied Volatility
Creator: Market Chameleon