Hydro One (H.TO) - Market capitalization

Market cap: S$25.38 Billion

As of February 2025 Hydro One has a market cap of S$25.38 Billion. This makes Hydro One the world's 1032th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of Hydro One from 2015 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	S$25.38 B	1.15%
2024	S$25.09 B	5.79%
2023	S$23.72 B	10.13%
2022	S$21.54 B	3.16%
2021	S$20.88 B	17.57%
2020	S$17.76 B	14.96%
2019	S$15.45 B	27.66%
2018	S$12.10 B	-14.74%
2017	S$14.19 B	-5.77%
2016	S$15.06 B	11.4%
2015	S$13.52 B

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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Market capitalization of Hydro One (H.TO)

Market cap: S$25.38 Billion