Stock price history for Prothena (PRTA)

Highest end of day price: HK$614.28 HKD on 2021-09-23

Lowest end of day price: HK$45.47 HKD on 2013-01-17

Stock price history of Prothena from 2012 to 2025

Stock price for similar companies or competitors

Company	Stock price	Change 1d%	Country
Alkermes ALKS	HK$244.42	-0.25%	🇮🇪 Ireland
Alnylam Pharmaceuticals ALNY	HK$2,167	0.70%	🇺🇸 USA
Amarin Corporation AMRN	HK$4.45	0.72%	🇮🇪 Ireland

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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