AMPH (Amphastar Pharmaceuticals) YoY EPS Growth: 4.69% (As of Jun. 2026)

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AMPH Amphastar Pharmaceuticals Inc AMPH
79 GF Score
Price $21.96
GF Value $35.83
Valuation Significantly Undervalued
! 4 Warning Signs
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What is Amphastar Pharmaceuticals YoY EPS Growth?

Amphastar Pharmaceuticals AMPH +2.07% 79 YoY EPS Growth is 4.69% as of Jun. 2026. GuruFocus rates AMPH with a GF Score™ of 79/100 and a GF Value™ of $35.83 (Significantly Undervalued). The stock has 4 warning signs investors should review.

YoY EPS Growth is the percentage change of Earnings per Share (Diluted) over the past twelve months. Amphastar Pharmaceuticals's YoY EPS Growth for the quarter that ended in Jun. 2026 was 4.69%.

Amphastar Pharmaceuticals's Earnings per Share (Diluted) for the three months ended in Jun. 2026 was $0.67.

Amphastar Pharmaceuticals YoY EPS Growth Historical Data

* Premium members only.

The historical data trend for Amphastar Pharmaceuticals's YoY EPS Growth can be seen below:

* 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 YoY EPS Growth Chart

Amphastar Pharmaceuticals Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
YoY EPS Growth
Get a 7-Day Free Trial Premium Member Only Premium Member Only 4,066.67 39.20 49.43 17.69 -33.66

Amphastar Pharmaceuticals Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
YoY EPS Growth Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -12.33 -52.56 -31.08 -72.55 4.69
AMPH
79GF Score
Amphastar Pharmaceuticals Inc AMPH
YoY EPS Growth is just one metric. See GF Score™, valuation, warning signs, and more.
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Amphastar Pharmaceuticals YoY EPS Growth Calculation

YoY EPS Growth is the percentage change of Earnings per Share (Diluted) over the past twelve months.

Amphastar Pharmaceuticals's YoY EPS Growth for the fiscal year that ended in Dec. 2025 is calculated as:

YoY EPS Growth (A: Dec. 2025 )
=(Earnings per Share (Diluted) (A: Dec. 2025 )-Earnings per Share (Diluted) (A: Dec. 2024 ))/ | Earnings per Share (Diluted) (A: Dec. 2024 ) |
=(2.03-3.06)/ | 3.06 |
=-33.66 %

Amphastar Pharmaceuticals's YoY EPS Growth for the quarter that ended in Jun. 2026 is calculated as:

YoY EPS Growth (Q: Jun. 2026 )
=(Earnings per Share (Diluted) (Q: Jun. 2026 )-Earnings per Share (Diluted) (Q: Jun. 2025 )) / | Earnings per Share (Diluted) (Q: Jun. 2025 )) |
=(0.67-0.64)/ | 0.64 |
=4.69 %

* 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.

Frequently Asked Questions Learn more about YoY EPS Growth →
What does a YoY EPS Growth of 4.69% mean?
Amphastar Pharmaceuticals (AMPH) has a YoY EPS Growth of 4.69% as of Jun. 2026. YoY EPS Growth is the percentage change of EPS over the past 12-month. View historical data for Amphastar Pharmaceuticals and its competitors.
Is Amphastar Pharmaceuticals' YoY EPS Growth too high?
Amphastar Pharmaceuticals' current YoY EPS Growth is 4.69%. Overall, Amphastar Pharmaceuticals has a GF Score™ of 79/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Amphastar Pharmaceuticals' YoY EPS Growth compare to ESPR and NIKA?
Amphastar Pharmaceuticals' YoY EPS Growth of 4.69% can be compared against companies in the Drug Manufacturers industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good YoY EPS Growth for a Drug Manufacturers company?
A good YoY EPS Growth depends on the Drug Manufacturers industry context. However, YoY EPS Growth should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high YoY EPS Growth mean?
A high YoY EPS Growth can signal that a stock is expensive relative to its fundamentals. YoY EPS Growth is the percentage change of EPS over the past 12-month. View historical data for Amphastar Pharmaceuticals and its competitors. Amphastar Pharmaceuticals's current YoY EPS Growth is 4.69%. 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 $35.83, compared to a current price of $21.96 — trading 38.7% below its estimated fair value. The current YoY EPS Growth is 4.69%. Amphastar Pharmaceuticals' overall GF Score™ is 79/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is YoY EPS Growth calculated?
YoY EPS Growth is calculated from a company's financial statements. For Amphastar Pharmaceuticals (AMPH), the current YoY EPS Growth is 4.69% as of Jun. 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 $21.96 is trading 38.7% below its estimated GF Value™ of $35.83. GuruFocus considers Amphastar Pharmaceuticals to be Significantly Undervalued.

Key valuation signals for AMPH:

  • YoY EPS Growth: 4.69%
  • GF Value™: $35.83 vs. price of $21.96 (38.7% below fair value)
  • GF Score™: 79/100 with 4 warning signs

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 Business Description

Other Exchanges 29A:Germany
Address 11570 6th Street, Rancho Cucamonga, CA, USA, 91730
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.
79GF Score

Get the complete analysis for AMPH

YoY EPS Growth is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$21.96
Price
$35.83
GF Value