Stock price history for AltaGas (ALA.TO)

Highest end of day price: 49.507771521508 CAD (S$36.01 USD) on 2026-05-15

Lowest end of day price: 6.9768480121283 CAD (S$5.37 USD) on 2009-03-09

Stock price history of AltaGas from 2004 to 2026

Annual Stock Price Performance

Year	Performance
2026	26.36%
2025	25.57%
2024	18.63%
2023	24.90%
2022	-15.52%
2021	55.22%
2020	1.04%
2019	54.59%
2018	-50.50%
2017	-11.24%
2016	21.91%
2015	-34.05%
2014	5.81%
2013	21.77%
2012	5.27%
2011	54.21%
2010	14.35%
2009	20.26%
2008	-46.38%
2007	12.63%
2006	-13.96%
2005	29.34%
2004	32.65%

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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