Amphastar PharmaceuticalsAMPH +7.74%83 Median PS Value is $47.40 as of Jun. 25, 2026, which is 6220% above its 10-year median of 0.75. GuruFocus rates AMPH with a GF Score™ of 83/100 and a GF Value™ of $48.78 (Significantly Undervalued). The stock has 5 warning signs investors should review. Among 544 Drug Manufacturers companies, Amphastar Pharmaceuticals ranks better than 85.11% on this metric.
This valuation method assumes that the stock valuation will revert to its historical (10-Year) median in terms of PS Ratio. The reason we use PS Ratio instead of PE Ratio or PB Ratio is because PS Ratio is independent of profit margin, and can be applied to a broader range of situations.
The historical rank and industry rank for Amphastar Pharmaceuticals's Median PS Value or its related term are showing as below:
AMPH'
s Price-to-Median-PS-Value Range Over the Past 10 Years
Min: 0.41 Med: 0.75 Max: 1.67
Current: 0.44
During the past 13 years, the highest Price to Median PS Value of Amphastar Pharmaceuticals was 1.67. The lowest was 0.41. And the median was 0.75.
AMPH's Price-to-Median-PS-Value is ranked better than 85.11% of 544
companies
in the Drug Manufacturers industry
Industry Median: 0.84
vs AMPH: 0.44
Amphastar Pharmaceuticals (NAS:AMPH) Median PS Value Explanation
This valuation method assumes that the stock valuation will revert to its historical (10-Year) mean in terms of PS Ratio. The reason we use PS Ratio instead of PE Ratio or PB Ratio
is because PS Ratio is independent of profit margin, and can be applied to a broader range of situations.
It also assumes that over time the profit margin is constant. If a company increases its profit margin to a sustainable level, this value might under-estimate its value. If it has permanent declined profit margins, this may over-estimate the company's value.
Amphastar Pharmaceuticals's Price to Median PS Value for today is calculated as
Price to Median PS Value
=
Share Price
/
Median PS Value
=
21.015
/
47.40
=
0.44
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Amphastar Pharmaceuticals Median PS Value Related Terms
Amphastar Pharmaceuticals Median PS Value Historical Data
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
AMPH vs ETON, ESPR, BIOA: Median PS Value Comparison
For the Drug Manufacturers - Specialty & Generic subindustry, Amphastar Pharmaceuticals's Price-to-Median-PS-Value, along with its competitors' market caps and Price-to-Median-PS-Value data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Amphastar Pharmaceuticals Price-to-Median-PS-Value vs Drug Manufacturers Industry
For the Drug Manufacturers industry and Healthcare sector, Amphastar Pharmaceuticals's Price-to-Median-PS-Value distribution charts can be found below:
* The bar in red indicates where Amphastar Pharmaceuticals's Price-to-Median-PS-Value falls into.
10-Year Median PS Ratio is 3.1156.
Amphastar Pharmaceuticals's Revenue per Share for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $15.214.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Amphastar Pharmaceuticals (AMPH) has a Median PS Value of $47.40 as of Jun. 25, 2026. Median price-sales value is the stock value based on a company's 10-year median price-sales ratio, View historical data on Amphastar Pharmaceuticals and its competitors. This is 6220% above median its historical median of 0.75. Over the past decade, Amphastar Pharmaceuticals' Median PS Value has ranged from 0.41 to 1.67. According to the industry distribution chart, Amphastar Pharmaceuticals ranks #81 out of 544 companies in the Drug Manufacturers industry, placing it in the top 14.9%.
Is Amphastar Pharmaceuticals' Median PS Value too high?
Amphastar Pharmaceuticals' current Median PS Value of $47.40 is 6220% above median its 10-year median of 0.75. Over the past 10 years, this metric has ranged from a low of 0.41 to a high of 1.67. The Drug Manufacturers industry median Median PS Value is 0.84. Amphastar Pharmaceuticals' value of $47.40 is 5542.9% above this industry median. Based on the distribution chart, Amphastar Pharmaceuticals ranks #81 out of 544 companies in the Drug Manufacturers industry, which is in the top quartile — a strong position relative to peers. Overall, Amphastar Pharmaceuticals has a GF Score™ of 83/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Amphastar Pharmaceuticals' Median PS Value compare to ETON and ESPR?
According to the Drug Manufacturers industry distribution chart, Amphastar Pharmaceuticals ranks #81 out of 544 companies for Median PS Value. This places Amphastar Pharmaceuticals in the top 15% of its industry — outperforming the majority of peers. The industry median Median PS Value is 0.84. Amphastar Pharmaceuticals' value of $47.40 is 5542.9% above this benchmark. Historically, Amphastar Pharmaceuticals' own Median PS Value has ranged from 0.41 to 1.67 over the past decade. While the company's 10-year median is 0.75 vs. the industry median of 0.84, Amphastar Pharmaceuticals has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Median PS Value for a Drug Manufacturers company?
The median Median PS Value among Drug Manufacturers companies is 0.84, based on 544 companies in the industry. Companies in the top quartile (top 25%) have a Median PS Value significantly above this median, while those in the bottom quartile fall well below. However, Median PS Value should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Amphastar Pharmaceuticals's current Median PS Value of $47.40 is 5542.9% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Median PS Value mean?
A high Median PS Value can signal that a stock is expensive relative to its fundamentals. Median price-sales value is the stock value based on a company's 10-year median price-sales ratio, View historical data on Amphastar Pharmaceuticals and its competitors. For the Drug Manufacturers industry, the median Median PS Value is 0.84 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Amphastar Pharmaceuticals's current Median PS Value is $47.40, which is 6220% above median its own 10-year median of 0.75. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Amphastar Pharmaceuticals stock overvalued right now?
Based on GuruFocus' analysis, Amphastar Pharmaceuticals (AMPH) is currently considered Significantly Undervalued. The stock's GF Value™ is $48.78, compared to a current price of $21.02 — trading 56.9% below its estimated fair value. The current Median PS Value is $47.40, which is 6220% above median its 10-year median of 0.75 and 5542.9% above the Drug Manufacturers industry median of 0.84. Amphastar Pharmaceuticals' overall GF Score™ is 83/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Median PS Value calculated?
Median PS Value is calculated from a company's financial statements. For Amphastar Pharmaceuticals (AMPH), the current Median PS Value is $47.40 as of Jun. 25, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Amphastar Pharmaceuticals (AMPH) Overvalued in 2026?
Based on GuruFocus' analysis, Amphastar Pharmaceuticals stock appears to be undervalued.
The current stock price of $21.02 is trading 56.9% below its estimated GF Value™ of $48.78.
GuruFocus considers Amphastar Pharmaceuticals to be Significantly Undervalued.
Key valuation signals for AMPH:
Median PS Value: $47.40 (6220% above median its 10-year median of 0.75)
GF Value™: $48.78 vs. price of $21.02 (56.9% below fair value)
Industry Position: 5542.9% above the Drug Manufacturers median (#81 of 544)
No single metric tells the full story. See the AMPH stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Amphastar Pharmaceuticals Inc is a bio-pharmaceutical company focusing on developing, manufacturing, marketing, and selling technically challenging generic and proprietary injectable, inhalation, and intranasal products, as well as insulin active pharmaceutical ingredient (or insulin API products. The company's finished products are used in hospital or urgent care clinical settings and are contracted and distributed through group purchasing organizations and drug wholesalers. The company has one reportable segment: pharmaceutical products. Geographically, the business presence of the firm is seen in the United States, China, and France, of which the U.S. accounts for the majority of the revenue.
83GF Score
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