Amphastar Pharmaceuticals (AMPH) - Stock price history

Stock price history of Amphastar Pharmaceuticals from 2014 to 2025

Annual Stock Price Performance

Year	Performance
2025	-24.86%
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	£0.41	0.00%	🇺🇸 USA
SCYNEXIS SCYX	£0.45	-2.31%	🇺🇸 USA
Agile Therapeutics AGRX	£1.12	0.00%	🇺🇸 USA
Tonix Pharmaceuticals TNXP	£12.63	-0.12%	🇺🇸 USA

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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)