Transalta (TAC)'s 30-day implied volatility (IV30) was 47.4% at the close on October 30, 2026, up from 43.9% the day before, against a 52-week range of 32.6% to 77.4%. Its 20-day historical volatility was 38.7%.
Key numbers
30-day implied volatility (IV30): 47.4%
IV30 52-week range: 32.6% to 77.4% (median 47.0%)
Historical volatility: 20-day 38.7%, 1-year 39.5%
Implied move by the nearest expiration: ±2.8%
Data as of October 30, 2026.
TAC Implied Volatility (IV) vs Historical Volatility (HV)
The TAC IV term structure shows the implied volatility difference between different maturity dates.
