Applied Optoelectronics (HAM:A59) E10: € (As of Jun. 2026)

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HAM:A59 Applied Optoelectronics Inc HAM:A59
43 GF Score
Price €87.72
GF Value €22.53
Valuation Significantly Overvalued
! 7 Warning Signs
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What is Applied Optoelectronics E10?

Applied Optoelectronics HAM:A59 +3.81% 43 E10 is € as of Jun. 2026. GuruFocus rates HAM:A59 with a GF Score™ of 43/100 and a GF Value™ of €22.53 (Significantly Overvalued). The stock has 7 warning signs investors should review.

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller P/E calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.

Applied Optoelectronics's adjusted earnings per share data for the three months ended in Jun. 2026 was €-0.240. Add all the adjusted EPS for the past 10 years together and divide 10 will get our e10, which is for the trailing ten years ended in Jun. 2026.

During the past 3 years, the average E10 Growth Rate was -45.00% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the E10 growth rate using E10 data.

During the past 13 years, the highest 3-Year average E10 Growth Rate of Applied Optoelectronics was -45.00% per year. The lowest was -45.00% per year. And the median was -45.00% per year.

As of today (2026-09-21), Applied Optoelectronics's current stock price is €87.72. Applied Optoelectronics's E10 for the quarter that ended in Jun. 2026 was . Applied Optoelectronics's Shiller PE Ratio of today is .


Applied Optoelectronics  (HAM:A59) E10 Explanation

If a company grows much fast than inflation, E10 may underestimate the company's earnings power. Shiller PE Ratio can seem to be too high even the actual P/E is low.

For the Shiller P/E, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller P/E is also called PE10.

The Shiller P/E was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.


Be Aware

Shiller PE Ratio works better for cyclical companies. It gives you a better idea on the company's real earnings power.


Applied Optoelectronics E10 Related Terms


Applied Optoelectronics E10 Historical Data

* Premium members only.

The historical data trend for Applied Optoelectronics's E10 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.

Applied Optoelectronics E10 Chart

Applied Optoelectronics Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
E10
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Applied Optoelectronics Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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HAM:A59 vs VIAV, VSAT, ONDS: E10 Comparison

For the Communication Equipment subindustry, Applied Optoelectronics's Shiller PE Ratio, along with its competitors' market caps and Shiller PE 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.


Applied Optoelectronics Shiller PE Ratio vs Hardware Industry

For the Hardware industry and Technology sector, Applied Optoelectronics's Shiller PE Ratio distribution charts can be found below:

* The bar in red indicates where Applied Optoelectronics's Shiller PE Ratio falls into.


HAM:A59
43GF Score
Applied Optoelectronics Inc HAM:A59
E10 is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Applied Optoelectronics E10 Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller P/E calculation. When we calculate the today's Shiller P/E ratio of a stock, we use today's price divided by E10.

What is E10? How do we calculate E10?

E10 is the average of the inflation adjusted earnings of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the E10 of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the earnings from 2001 through 2010.

We adjusted the earnings of 2001 earnings data with the total inflation from 2001 through 2010 to the equivalent earnings in 2010. If the total inflation from 2001 to 2010 is 40%, and Wal-Mart earned $1 a share in 2001, then the 2001's equivalent earnings in 2010 is $1.4 a share. If Wal-Mart earns $1 again in 2002, and the total inflation from 2002 through 2010 is 35%, then the equivalent 2002 earnings in 2010 is $1.35. So on and so forth, you get the equivalent earnings of past 10 years. Then you add them together and divided the sum by 10 to get E10.

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.

For example, Applied Optoelectronics's adjusted earnings per share data for the three months ended in Jun. 2026 was:

Adj_EPS= Earnings per Share (Diluted) /CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=-0.2402/333.9520*333.9520
=-0.240

Current CPI (Jun. 2026) = 333.9520.

Applied Optoelectronics Quarterly Data

per share eps CPI Adj_EPS
201609 0.869 241.428 1.202
201612 0.714 241.432 0.988
201703 0.938 243.801 1.285
201706 1.300 244.955 1.772
201709 0.809 246.819 1.095
201712 0.241 246.524 0.326
201803 0.090 249.554 0.120
201806 0.336 251.989 0.445
201809 -0.163 252.439 -0.215
201812 -0.379 251.233 -0.504
201903 -0.464 254.202 -0.610
201906 -0.508 256.143 -0.662
201909 -0.394 256.759 -0.513
201912 -1.591 256.974 -2.068
202003 -0.755 258.115 -0.976
202006 -0.810 257.797 -1.049
202009 -0.362 260.280 -0.464
202012 -0.477 260.474 -0.612
202103 -0.491 264.877 -0.619
202106 -0.254 271.696 -0.312
202109 -0.495 274.310 -0.602
202112 -0.468 278.802 -0.561
202203 -0.521 287.504 -0.606
202206 -0.491 296.311 -0.554
202209 -0.557 296.808 -0.627
202212 -0.698 296.797 -0.785
202303 -0.526 301.836 -0.582
202306 -0.528 305.109 -0.578
202309 -0.251 307.789 -0.272
202312 -0.353 306.746 -0.384
202403 -0.557 312.332 -0.595
202406 -0.616 314.175 -0.655
202409 -0.382 315.301 -0.405
202412 -2.436 315.605 -2.578
202503 -0.174 319.799 -0.182
202506 -0.141 322.561 -0.146
202509 -0.242 324.800 -0.249
202512 -0.025 324.054 -0.025
202603 -0.161 330.213 -0.163
202606 -0.240 333.952 -0.240

Add all the adjusted EPS together and divide 10 will get our e10.

Frequently Asked Questions Learn more about E10 →
What does a E10 of € mean?
Applied Optoelectronics (HAM:A59) has a E10 of € as of Jun. 2026. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on Applied Optoelectronics and its competitors.
Is Applied Optoelectronics' E10 too high?
Applied Optoelectronics' current E10 is €. Overall, Applied Optoelectronics has a GF Score™ of 43/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Applied Optoelectronics' E10 compare to VIAV and VSAT?
Applied Optoelectronics' E10 of € can be compared against companies in the Hardware industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good E10 for a Hardware company?
A good E10 depends on the Hardware industry context. However, E10 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 E10 mean?
A high E10 can signal that a stock is expensive relative to its fundamentals. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on Applied Optoelectronics and its competitors. Applied Optoelectronics's current E10 is €. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Applied Optoelectronics stock overvalued right now?
Based on GuruFocus' analysis, Applied Optoelectronics (HAM:A59) is currently considered Significantly Overvalued. The stock's GF Value™ is €22.53, compared to a current price of €87.72 — trading 289.3% above its estimated fair value. The current E10 is €. Applied Optoelectronics' overall GF Score™ is 43/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is E10 calculated?
E10 is calculated from a company's financial statements. For Applied Optoelectronics (HAM:A59), the current E10 is € 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 Applied Optoelectronics (HAM:A59) Overvalued in 2026?

Based on GuruFocus' analysis, Applied Optoelectronics stock appears to be overvalued. The current stock price of €87.72 is trading 289.3% above its estimated GF Value™ of €22.53. GuruFocus considers Applied Optoelectronics to be Significantly Overvalued.

Key valuation signals for HAM:A59:

  • E10:
  • GF Value™: €22.53 vs. price of €87.72 (289.3% above fair value)
  • GF Score™: 43/100 with 7 warning signs

No single metric tells the full story. See the HAM:A59 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Applied Optoelectronics Business Description

Address 13139 Jess Pirtle Boulevard, Sugar Land, TX, USA, 77478
Applied Optoelectronics Inc is a provider of fiber-optic networking products, for four networking end-markets; internet data center, CATV, telecom, and FTTH. The Company designs and manufactures a wide range of optical communications products at varying levels of integration, from components, subassemblies, and modules to meet turn-key equipment. Through direct sales personnel, and manufacturing teams in the United States, China, and Taiwan, the company coordinates with customers to determine product design, qualifications, and performance. The Company has manufacturing and research and development facilities located in the U.S., Taiwan, and China.
43GF Score

Get the complete analysis for HAM:A59

E10 is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€87.72
Price
€22.53
GF Value