Tidewater (TDW) - Market capitalization

Market cap: HK$33.83 Billion

As of September 2026 Tidewater has a market cap of HK$33.83 Billion. This makes Tidewater the world's 3476th 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 Tidewater from 2017 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	HK$33.83 B	74.33%
2025	HK$19.40 B	-7.17%
2024	HK$20.90 B	-29.74%
2023	HK$29.75 B	104.7%
2022	HK$14.53 B	321.72%
2021	HK$3.44 B	26.44%
2020	HK$2.72 B	-54.54%
2019	HK$5.99 B	8.26%
2018	HK$5.53 B	32.59%
2017	HK$4.17 B

End of Day market cap according to different sources

On Sep 18th, 2026 the market cap of Tidewater was reported to be:

HK$33.82 Billion

by Nasdaq

HK$33.83 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Halliburton HAL	HK$219.85 B	549.76%	🇺🇸 USA
Oceaneering International OII	HK$36.14 B	6.81%	🇺🇸 USA
SEACOR Holdings CKH	HK$6.67 B	-80.28%	🇺🇸 USA

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 Tidewater (TDW)

Market cap: HK$33.83 Billion