Stock price history for AltaGas (ALA.TO)

Highest end of day price: 57.439147251181 CAD (A$41.18 USD) on 2026-06-10

Lowest end of day price: 7.078253231974 CAD (A$5.50 USD) on 2009-03-06

Stock price history of AltaGas from 2004 to 2026

Annual Stock Price Performance

Year	Performance
2026	18.37%
2025	23.50%
2024	26.07%
2023	26.54%
2022	-9.48%
2021	61.31%
2020	-6.21%
2019	57.26%
2018	-46.36%
2017	-11.09%
2016	20.44%
2015	-30.71%
2014	9.98%
2013	36.75%
2012	10.11%
2011	52.94%
2010	11.41%
2009	-1.37%
2008	-32.42%
2007	9.09%
2006	-14.19%
2005	36.66%
2004	25.48%

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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