AMPG (AmpliTech Group) Cyclically Adjusted PB Ratio: 2.08 (As of Aug. 22, 2026) — 28% Below 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.

AMPG AmpliTech Group Inc AMPG
42 GF Score
Price $3.46
GF Value $1.70
Valuation Significantly Overvalued
! 3 Warning Signs
View Full Analysis

What is AmpliTech Group Cyclically Adjusted PB Ratio?

AmpliTech Group AMPG +0.58% 42 Cyclically Adjusted PB Ratio is 2.08 as of Aug. 22, 2026, which is 28% below its 10-year median of 2.88. GuruFocus rates AMPG with a GF Score™ of 42/100 and a GF Value™ of $1.70 (Significantly Overvalued). The stock has 3 warning signs investors should review. Among 1,951 Hardware companies, AmpliTech Group ranks worse than 51.61% on this metric.

As of today (2026-08-22), AmpliTech Group's current share price is $3.455. AmpliTech Group's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was $1.66. AmpliTech Group's Cyclically Adjusted PB Ratio for today is 2.08.

The historical rank and industry rank for AmpliTech Group's Cyclically Adjusted PB Ratio or its related term are showing as below:

AMPG' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.55   Med: 2.88   Max: 241.67
Current: 2.08

During the past years, AmpliTech Group's highest Cyclically Adjusted PB Ratio was 241.67. The lowest was 0.55. And the median was 2.88.

AMPG's Cyclically Adjusted PB Ratio is ranked worse than
51.61% of 1951 companies
in the Hardware industry
Industry Median: 2.07 vs AMPG: 2.08

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

AmpliTech Group's adjusted book value per share data for the three months ended in Jun. 2026 was $1.823. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is $1.66 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


AmpliTech Group  (NAS:AMPG) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.


AmpliTech Group Cyclically Adjusted PB Ratio Related Terms


AmpliTech Group Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for AmpliTech Group's Cyclically Adjusted PB Ratio 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.

AmpliTech Group Cyclically Adjusted PB Ratio Chart

AmpliTech Group Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 10.59 2.86 1.70 3.80 1.92

AmpliTech Group Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Cyclically Adjusted PB Ratio 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 1.44 2.56 1.92 1.19 4.20

AMPG vs OCC, INSG, WATT: Cyclically Adjusted PB Ratio Comparison

For the Communication Equipment subindustry, AmpliTech Group's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB Ratio 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.


AmpliTech Group Cyclically Adjusted PB Ratio vs Hardware Industry

For the Hardware industry and Technology sector, AmpliTech Group's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where AmpliTech Group's Cyclically Adjusted PB Ratio falls into.


AMPG
42GF Score
AmpliTech Group Inc AMPG
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

AmpliTech Group Cyclically Adjusted PB Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.

AmpliTech Group's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=3.455/1.66
=2.08

* 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.

AmpliTech Group's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

For example, AmpliTech Group's adjusted Book Value per Share data for the three months ended in Jun. 2026 was:

Adj_Book=Book Value per Share/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=1.823/333.9520*333.9520
=1.823

Current CPI (Jun. 2026) = 333.9520.

AmpliTech Group Quarterly Data

Book Value per Share CPI Adj_Book
201609 0.164 241.428 0.227
201612 0.259 241.432 0.358
201703 0.274 243.801 0.375
201706 0.248 244.955 0.338
201709 0.224 246.819 0.303
201712 0.217 246.524 0.294
201803 0.240 249.554 0.321
201806 0.289 251.989 0.383
201809 0.293 252.439 0.388
201812 0.379 251.233 0.504
201903 0.411 254.202 0.540
201906 0.452 256.143 0.589
201909 0.423 256.759 0.550
201912 0.446 256.974 0.580
202003 0.319 258.115 0.413
202006 0.225 257.797 0.291
202009 0.226 260.280 0.290
202012 0.091 260.474 0.117
202103 1.550 264.877 1.954
202106 3.337 271.696 4.102
202109 3.276 274.310 3.988
202112 3.030 278.802 3.629
202203 3.035 287.504 3.525
202206 3.006 296.311 3.388
202209 3.072 296.808 3.456
202212 2.985 296.797 3.359
202303 2.930 301.836 3.242
202306 2.887 305.109 3.160
202309 2.797 307.789 3.035
202312 2.746 306.746 2.990
202403 2.281 312.332 2.439
202406 2.128 314.175 2.262
202409 1.837 315.301 1.946
202412 1.907 315.605 2.018
202503 1.820 319.799 1.901
202506 1.741 322.561 1.802
202509 1.737 324.800 1.786
202512 1.589 324.054 1.638
202603 1.909 330.213 1.931
202606 1.823 333.952 1.823

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

What does a Cyclically Adjusted PB Ratio of 2.08 mean?
AmpliTech Group (AMPG) has a Cyclically Adjusted PB Ratio of 2.08 as of Aug. 22, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on AmpliTech Group and its competitors. This is 28% below median its historical median of 2.88. Over the past decade, AmpliTech Group's Cyclically Adjusted PB Ratio has ranged from 0.55 to 241.67. According to the industry distribution chart, AmpliTech Group ranks #1007 out of 1951 companies in the Hardware industry, placing it in the top 51.6%.
Is AmpliTech Group's Cyclically Adjusted PB Ratio too high?
AmpliTech Group's current Cyclically Adjusted PB Ratio of 2.08 is 28% below median its 10-year median of 2.88. Over the past 10 years, this metric has ranged from a low of 0.55 to a high of 241.67. The Hardware industry median Cyclically Adjusted PB Ratio is 2.07. AmpliTech Group's value of 2.08 is 0.5% above this industry median. Based on the distribution chart, AmpliTech Group ranks #1007 out of 1951 companies in the Hardware industry, which is below the industry midpoint. Overall, AmpliTech Group has a GF Score™ of 42/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does AmpliTech Group's Cyclically Adjusted PB Ratio compare to OCC and INSG?
According to the Hardware industry distribution chart, AmpliTech Group ranks #1007 out of 1951 companies for Cyclically Adjusted PB Ratio. This places AmpliTech Group in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.07. AmpliTech Group's value of 2.08 is 0.5% above this benchmark. Historically, AmpliTech Group's own Cyclically Adjusted PB Ratio has ranged from 0.55 to 241.67 over the past decade. While the company's 10-year median is 2.88 vs. the industry median of 2.07, AmpliTech Group 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 Cyclically Adjusted PB Ratio for a Hardware company?
The median Cyclically Adjusted PB Ratio among Hardware companies is 2.07, based on 1,951 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. AmpliTech Group's current Cyclically Adjusted PB Ratio of 2.08 is 0.5% 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 Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on AmpliTech Group and its competitors. For the Hardware industry, the median Cyclically Adjusted PB Ratio is 2.07 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. AmpliTech Group's current Cyclically Adjusted PB Ratio is 2.08, which is 28% below median its own 10-year median of 2.88. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is AmpliTech Group stock overvalued right now?
Based on GuruFocus' analysis, AmpliTech Group (AMPG) is currently considered Significantly Overvalued. The stock's GF Value™ is $1.70, compared to a current price of $3.46 — trading 103.2% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 2.08, which is 28% below median its 10-year median of 2.88 and 0.5% above the Hardware industry median of 2.07. AmpliTech Group's overall GF Score™ is 42/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For AmpliTech Group (AMPG), the current Cyclically Adjusted PB Ratio is 2.08 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 AmpliTech Group (AMPG) Overvalued in 2026?

Based on GuruFocus' analysis, AmpliTech Group stock appears to be overvalued. The current stock price of $3.46 is trading 103.2% above its estimated GF Value™ of $1.70. GuruFocus considers AmpliTech Group to be Significantly Overvalued.

Key valuation signals for AMPG:

  • Cyclically Adjusted PB Ratio: 2.08 (28% below median its 10-year median of 2.88)
  • GF Value™: $1.70 vs. price of $3.46 (103.2% above fair value)
  • GF Score™: 42/100 with 3 warning signs
  • Industry Position: 0.5% above the Hardware median (#1007 of 1951)

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


AmpliTech Group Business Description

Address 155 Plant Avenue, Hauppauge, NY, USA, 11788
AmpliTech Group Inc designs, develops, engineers, and assembles micro-wave component-based amplifiers that meet individual customer specifications. It operates in two segments: the manufacturing and engineering segment. The products of the company consist of RF amplifiers & related subsystems, operating at multiple frequencies from 50kHz to 44GHz, including Low Noise Amplifiers, Medium Power Amplifiers, cryogenic amplifiers, and custom assemblies. The company also offers non-recurring engineering services on a project-by-project basis, for a predetermined fixed contractual amount, or on a time-plus-material basis. It also operates as a manufacturer, & distributor of cryogenic microwave amplifiers, RF designs, & applications for Wireless Networks & the future of Wireless Communication.
42GF Score

Get the complete analysis for AMPG

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

$3.46
Price
$1.70
GF Value