Stock price history for AltaGas (ALA.TO)

Highest end of day price: 28.45681316226 CAD (£20.89 USD) on 2026-05-04

Lowest end of day price: 3.2297938915357 CAD (£2.51 USD) on 2009-03-06

Stock price history of AltaGas from 2004 to 2026

Annual Stock Price Performance

Year	Performance
2026	25.71%
2025	24.15%
2024	16.79%
2023	20.23%
2022	-4.84%
2021	53.72%
2020	-0.13%
2019	51.95%
2018	-48.44%
2017	-12.02%
2016	43.41%
2015	-35.11%
2014	7.80%
2013	15.62%
2012	7.15%
2011	53.24%
2010	29.45%
2009	12.11%
2008	-27.07%
2007	19.00%
2006	-17.55%
2005	40.43%
2004	29.16%

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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