Amphastar Pharmaceuticals (AMPH)

P/S ratio as of January 2026 (TTM): 1.67

According to Amphastar Pharmaceuticals's latest financial reports and stock price the company's current price-to-sales ratio (TTM) is 1.56. At the end of 2025 the company had a P/S ratio of 1.73.

P/S ratio history for Amphastar Pharmaceuticals from 2014 to 2025

PS ratio at the end of each year

Year	P/S ratio	Change
2025	1.73	-30.49%
2024	2.48	-46%
2023	4.60	69.43%
2022	2.71	6.61%
2021	2.55	-6.76%
2020	2.73	-2.05%
2019	2.79	-11.5%
2018	3.15	-14.49%
2017	3.68	10.85%
2016	3.32	29.93%
2015	2.56	3.83%
2014	2.46

P/S ratio for similar companies or competitors

Company	P/S ratio	P/S ratio differencediff.	Country
Marinus Pharmaceuticals MRNS	0.9652	-42.25%	🇺🇸 USA
SCYNEXIS SCYX	9.19	449.88%	🇺🇸 USA
Agile Therapeutics AGRX	0.4834	-71.08%	🇺🇸 USA
Tonix Pharmaceuticals TNXP	19.7	1,081.26%	🇺🇸 USA

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P/S ratio for Amphastar Pharmaceuticals (AMPH)

P/S ratio as of January 2026 (TTM): 1.67