Stock price history for AltaGas (ALA.TO)

Highest end of day price: 39.302322263531 CAD ($28.52 USD) on 2026-05-28

Lowest end of day price: 4.4977100742317 CAD ($3.46 USD) on 2009-03-09

Stock price history of AltaGas from 2004 to 2026

Annual Stock Price Performance

Year	Performance
2026	27.77%
2025	33.55%
2024	15.14%
2023	26.92%
2022	-14.91%
2021	51.63%
2020	2.73%
2019	56.22%
2018	-51.56%
2017	-3.71%
2016	19.58%
2015	-38.28%
2014	1.22%
2013	17.38%
2012	11.59%
2011	52.51%
2010	24.02%
2009	24.91%
2008	-46.06%
2007	19.80%
2006	-7.62%
2005	28.28%
2004	40.35%

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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