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6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago. It’s calculated by current share price divided by share price 6-months ago. As of today (2026-08-22), Amphastar Pharmaceuticals's 6-Month Price Index is 0.76.
Amphastar Pharmaceuticals (NAS:AMPH) 6-Month Price Index Explanation
Price Index (PI) also called momentum. Strategies involving Price Index are also known as momentum strategies as they allow investors to profit from a company’s stock price. 6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago.
The investment strategy for momentum investors is to buy winners and sell losers. That is, buy stocks that performed well and sell stocks that performed poorly in the past.
Amphastar Pharmaceuticals 6-Month Price Index Related Terms
AMPH vs ESPR, NIKA, BIOA: 6-Month Price Index Comparison
For the Drug Manufacturers - Specialty & Generic subindustry, Amphastar Pharmaceuticals's 6-Month Price Index, along with its competitors' market caps and 6-Month Price Index 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 (NAS:AMPH) 6-Month Price Index Calculation
6-Month Price Index is calculated as following:
6-Month Price Index
=
Current Share Price
/
Share Price 6-Months Ago
* 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 6-Month Price Index of 0.76 as of Aug. 22, 2026. 6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago. View historical data on Amphastar Pharmaceuticals and its competitors.
Is Amphastar Pharmaceuticals' 6-Month Price Index too high?
Amphastar Pharmaceuticals' current 6-Month Price Index is 0.76. Overall, Amphastar Pharmaceuticals has a GF Score™ of 84/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Amphastar Pharmaceuticals' 6-Month Price Index compare to ESPR and NIKA?
Amphastar Pharmaceuticals' 6-Month Price Index of 0.76 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 6-Month Price Index for a Drug Manufacturers company?
A good 6-Month Price Index depends on the Drug Manufacturers industry context. However, 6-Month Price Index 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 6-Month Price Index mean?
A high 6-Month Price Index can signal that a stock is expensive relative to its fundamentals. 6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago. View historical data on Amphastar Pharmaceuticals and its competitors. Amphastar Pharmaceuticals's current 6-Month Price Index is 0.76. 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 $35.76, compared to a current price of $21.60 — trading 39.6% below its estimated fair value. The current 6-Month Price Index is 0.76. Amphastar Pharmaceuticals' overall GF Score™ is 84/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 6-Month Price Index calculated?
6-Month Price Index is calculated from a company's financial statements. For Amphastar Pharmaceuticals (AMPH), the current 6-Month Price Index is 0.76 as of Aug. 22, 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 $21.60 is trading 39.6% below its estimated GF Value™ of $35.76.
GuruFocus considers Amphastar Pharmaceuticals to be Significantly Undervalued.
Key valuation signals for AMPH:
6-Month Price Index: 0.76
GF Value™: $35.76 vs. price of $21.60 (39.6% below fair value)
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.
84GF Score
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6-Month Price Index is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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