Amphastar Pharmaceuticals (AMPH) - Stock price history

Stock price history of Amphastar Pharmaceuticals from 2014 to 2025

Annual Stock Price Performance

Year	Performance
2025	-30.50%
2024	-40.39%
2023	119.33%
2022	21.46%
2021	15.64%
2020	3.93%
2019	-2.38%
2018	3.81%
2017	4.00%
2016	34.45%
2015	20.19%
2014	32.69%

Stock price for similar companies or competitors

Company	Stock price	Change 1d%	Country
Marinus Pharmaceuticals MRNS	NZ$0.95	0.00%	🇺🇸 USA
SCYNEXIS SCYX	NZ$1.11	0.17%	🇺🇸 USA
Agile Therapeutics AGRX	NZ$2.60	0.00%	🇺🇸 USA
Tonix Pharmaceuticals TNXP	NZ$33.20	-1.78%	🇺🇸 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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Stock price history for Amphastar Pharmaceuticals (AMPH)