AMPX (Amprius Technologies) GF Value Rank: 4 (As of Aug. 07, 2026) — Near Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

AMPX Amprius Technologies Inc AMPX
80 GF Score
Price $11.61
GF Value $16.45
Valuation Possible Value Trap
! 3 Warning Signs
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What is Amprius Technologies GF Value Rank?

Amprius Technologies AMPX +3.75% 80 GF Value Rank is 4 as of Aug. 07, 2026, which is at its 10-year median of 4.00. GuruFocus rates AMPX with a GF Score™ of 80/100 and a GF Value™ of $16.45 (Possible Value Trap). The stock has 3 warning signs investors should review.

Amprius Technologies has the GF Value Rank of 4.

GF Value Rank evaluates the exclusive GuruFocus valuation and performance of a stock, rated on a scale from 1 to 10. It is determined by the price-to-GF-Value (P/GF Value) ratio, a proprietary metric calculated based on historical multiples along with an adjustment factor based on a company's past returns and growth and future estimates of the business' performance.

GuruFocus found that for valuation, we cannot simply give stocks a better GF Value rank simply because they have a lower P/GF Value ratio. Backtesting shows that over the long term, the two worst-performing groups are the most expensive group (with the highest P/GF Value ratio) and the least expensive group (with the lowest P/GF Value ratio).

We can understand why the most expensive group underperforms. We were initially puzzled by the underperformance of the least expensive group, but we realized there is a reason why some stocks are super cheap. If they look too undervalued, it is often because the businesses behind them are poor quality. The market realized this and gave them low valuations. In a way, the market is efficient.

After multiple backtesting analyses, we granted the stocks in third-cheapest percentile the highest GF Value rank, as they have performed the best over a full market cycle. Stock performance is actually not as sensitive to valuation as it is to growth and profitability. On average, the companies in the 20%-50% valuation groups have similar performances. Therefore, we should avoid the most expensive and the least expensive stocks. We can be more tolerant of valuation.

A higher score indicates a stock with a relatively low valuation and substantial potential for outperformance. Conversely, a lower score often reflects stocks that are either highly overvalued or deeply undervalued, both of which tend to underperform.

Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.

Amprius Technologies GF Value Rank Related Terms

AMPX vs EOSE, TE, ENR: GF Value Rank Comparison

For the Electrical Equipment & Parts subindustry, Amprius Technologies's GF Value Rank, along with its competitors' market caps and GF Value Rank 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.

Amprius Technologies GF Value Rank vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Amprius Technologies's GF Value Rank distribution charts can be found below:

* The bar in red indicates where Amprius Technologies's GF Value Rank falls into.


AMPX
80GF Score
Amprius Technologies Inc AMPX
GF Value Rank is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about GF Value Rank →
What does a GF Value Rank of 4 mean?
Amprius Technologies (AMPX) has a GF Value Rank of 4 as of Aug. 07, 2026. GF Value Rank is given based on historical multiples along with past returns, growth and future estimates of the business' performance. View historical data on Amprius Technologies and its competitors. This is near median its historical median of 4.00. Over the past decade, Amprius Technologies' GF Value Rank has ranged from 2.00 to 10.00.
Is Amprius Technologies' GF Value Rank too high?
Amprius Technologies' current GF Value Rank of 4 is near median its 10-year median of 4.00. Over the past 10 years, this metric has ranged from a low of 2.00 to a high of 10.00. Overall, Amprius Technologies has a GF Score™ of 80/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Amprius Technologies' GF Value Rank compare to EOSE and TE?
Amprius Technologies' GF Value Rank of 4 can be compared against companies in the Industrial Products industry. Historically, Amprius Technologies' own GF Value Rank has ranged from 2.00 to 10.00 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good GF Value Rank for an Industrial Products company?
A good GF Value Rank depends on the Industrial Products industry context. However, GF Value Rank 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 GF Value Rank mean?
A high GF Value Rank can signal that a stock is expensive relative to its fundamentals. GF Value Rank is given based on historical multiples along with past returns, growth and future estimates of the business' performance. View historical data on Amprius Technologies and its competitors. Amprius Technologies's current GF Value Rank is 4, which is near median its own 10-year median of 4.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Amprius Technologies stock overvalued right now?
Based on GuruFocus' analysis, Amprius Technologies (AMPX) is currently considered Possible Value Trap. The stock's GF Value™ is $16.45, compared to a current price of $11.61 — trading 29.4% below its estimated fair value. The current GF Value Rank is 4, which is near median its 10-year median of 4.00. Amprius Technologies' overall GF Score™ is 80/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is GF Value Rank calculated?
GF Value Rank is calculated from a company's financial statements. For Amprius Technologies (AMPX), the current GF Value Rank is 4 as of Aug. 07, 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 Amprius Technologies (AMPX) Overvalued in 2026?

Based on GuruFocus' analysis, Amprius Technologies stock appears to be undervalued. The current stock price of $11.61 is trading 29.4% below its estimated GF Value™ of $16.45. GuruFocus considers Amprius Technologies to be Possible Value Trap.

Key valuation signals for AMPX:

  • GF Value Rank: 4 (near median its 10-year median of 4.00)
  • GF Value™: $16.45 vs. price of $11.61 (29.4% below fair value)
  • GF Score™: 80/100 with 3 warning signs

No single metric tells the full story. See the AMPX stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Amprius Technologies Business Description

Address 1180 Page Avenue, Fremont, CA, USA, 94538
Amprius Technologies Inc is engaged in the production of silicon anodes for high-energy-density lithium-ion batteries. The company develops, manufactures and markets lithium-ion batteries for mobility applications, including the aviation, electric vehicle (EV) and light electric vehicle (LEV) industries. The company's batteries are used for existing and emerging aviation applications, including unmanned aerial systems, such as drones and high-altitude pseudo satellites. Its silicon anodes are a direct drop-in replacement of the graphite anode in traditional lithium-ion batteries, and its manufacturing processes leverage the manufacturing processes for conventional lithium-ion batteries and the related supply chain.
80GF Score

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

$11.61
Price
$16.45
GF Value