Amphastar Pharmaceuticals (AMPH) - Stock price history

Stock price history of Amphastar Pharmaceuticals from 2014 to 2026

Annual Stock Price Performance

Year	Performance
2026	-23.94%
2025	-26.35%
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
Tonix Pharmaceuticals TNXP	NZ$21.38	-4.00%	🇺🇸 USA
SCYNEXIS SCYX	NZ$1.71	0.81%	🇺🇸 USA
Marinus Pharmaceuticals MRNS	NZ$0.94	0.00%	🇺🇸 USA
Agile Therapeutics AGRX	NZ$2.59	0.00%	🇺🇸 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)