Amphastar Pharmaceuticals (AMPH)

P/B ratio as of January 2026 : 1.67

According to Amphastar Pharmaceuticals's latest financial reports the company has a price-to-book ratio of 1.79088.
The price-to-book ratio is a way to measure how much the stock market thinks a company is worth compared to how much the company says its assets are worth on paper.

Amphastar Pharmaceuticals - P/B ratio (from 2014 to 2025)

P/B ratio by year

Year	P/B ratio	Change
2025-12-31	1.62	-34.59%
2024-12-31	2.48	-46.44%
2023-12-31	4.63	80.9%
2022-12-31	2.56	2.41%
2021-12-31	2.50	17.51%
2020-12-31	2.13	1.29%
2019-12-31	2.10	-17.48%
2018-12-31	2.55	-3.91%
2017-12-31	2.65	2.94%
2016-12-31	2.57	18.3%
2015-12-31	2.18	18.35%
2014-12-31	1.84
2013-12-31	N/A

P/B ratio for similar companies or competitors

Company	P/B ratio	P/B ratio differencediff.	Country
Marinus Pharmaceuticals MRNS	-0.4551	-127.29%	🇺🇸 USA
SCYNEXIS SCYX	0.7730	-53.65%	🇺🇸 USA
Agile Therapeutics AGRX	-0.4758	-128.53%	🇺🇸 USA
Tonix Pharmaceuticals TNXP	0.8662	-48.06%	🇺🇸 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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Amphastar Pharmaceuticals (AMPH) - P/B ratio