Protagonist Therapeutics (PTGX) - Market capitalization

Market cap: HK$71.11 Billion

As of October 2026 Protagonist Therapeutics has a market cap of HK$71.11 Billion. This makes Protagonist Therapeutics the world's 2147th 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 Protagonist Therapeutics from 2016 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	HK$71.11 B	64.67%
2025	HK$43.18 B	139.56%
2024	HK$18.02 B	74.52%
2023	HK$10.32 B	146.3%
2022	HK$4.19 B	-67.05%
2021	HK$12.72 B	89.32%
2020	HK$6.72 B	349.88%
2019	HK$1.49 B	22.29%
2018	HK$1.22 B	-64.21%
2017	HK$3.41 B	19.79%
2016	HK$2.85 B

End of Day market cap according to different sources

On Oct 3rd, 2026 the market cap of Protagonist Therapeutics was reported to be:

HK$71.11 Billion

by Nasdaq

HK$71.11 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
ORIC Pharmaceuticals ORIC	HK$9.92 B	-86.04%	🇺🇸 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 Protagonist Therapeutics (PTGX)

Market cap: HK$71.11 Billion