Hydro One Market Cap

Hydro One has a market cap or net worth of $21.78 billion as of May 21, 2025. Its market cap has increased by 27.64% in one year.

Market Cap

21.78B

Enterprise Value

34.51B

Revenue

6.07B

Ranking

n/a

PE Ratio

25.64

Stock Price

$34.78

Market Cap Chart

Since November 5, 2015, Hydro One's market cap has increased from 9.78B to 21.78B, an increase of 122.77%. That is a compound annual growth rate of 8.75%.

Market Cap History

Date	Market Cap	% Change
May 20, 2025	21.78B	18.08%
Dec 31, 2024	18.44B	2.41%
Dec 29, 2023	18.01B	12.24%
Dec 30, 2022	16.04B	3.14%
Dec 31, 2021	15.56B	15.79%
Dec 31, 2020	13.44B	16.47%
Dec 31, 2019	Pro	Pro
Dec 31, 2018	Pro	Pro
Dec 29, 2017	Pro	Pro
Dec 30, 2016	Pro	Pro
Dec 31, 2015	Pro	Pro

Market Capitalization

Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.

Formula: Market Cap = Stock Price * Shares Outstanding

Full Definition

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Market Cap Rankings