Arbor Technology (ROCO:3594) E10: NT$1.00 (As of Dec. 2025)

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ROCO:3594 Arbor Technology Corp ROCO:3594
63 GF Score
Price NT$52.10
GF Value NT$52.23
Valuation Fairly Valued
! 9 Warning Signs
View Full Analysis

What is Arbor Technology E10?

Arbor Technology ROCO:3594 -1.51% 63 E10 is NT$1.00 as of Dec. 2025. GuruFocus rates ROCO:3594 with a GF Score™ of 63/100 and a GF Value™ of NT$52.23 (Fairly Valued). The stock has 9 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.

Arbor Technology's adjusted earnings per share data for the three months ended in Dec. 2025 was NT$0.540. Add all the adjusted EPS for the past 10 years together and divide 10 will get our e10, which is NT$1.00 for the trailing ten years ended in Dec. 2025.

During the past 12 months, Arbor Technology's average E10 Growth Rate was -2.00% per year. During the past 3 years, the average E10 Growth Rate was -2.20% 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 Arbor Technology was 1.70% per year. The lowest was -2.20% per year. And the median was -0.25% per year.

As of today (2026-07-16), Arbor Technology's current stock price is NT$52.10. Arbor Technology's E10 for the quarter that ended in Dec. 2025 was NT$1.00. Arbor Technology's Shiller PE Ratio of today is 52.10.

During the past 13 years, the highest Shiller PE Ratio of Arbor Technology was 62.55. The lowest was 20.67. And the median was 38.29.


Arbor Technology  (ROCO:3594) 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.

Arbor Technology's Shiller P/E Ratio of today is calculated as

Shiller PE Ratio=Share Price/E10
=52.10/1.00
=52.10

* 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.

During the past 13 years, the highest Shiller P/E Ratio of Arbor Technology was 62.55. The lowest was 20.67. And the median was 38.29.


Be Aware

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


Arbor Technology E10 Related Terms


Arbor Technology E10 Historical Data

* Premium members only.

The historical data trend for Arbor Technology'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.

Arbor Technology E10 Chart

Arbor Technology Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
E10
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.97 1.07 0.00 1.02 1.00

Arbor Technology Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
E10 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 1.02 1.05 1.01 1.03 1.00

ROCO:3594 vs SNDK, DELL, STX: E10 Comparison

For the Computer Hardware subindustry, Arbor Technology'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.


Arbor Technology Shiller PE Ratio vs Hardware Industry

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

* The bar in red indicates where Arbor Technology's Shiller PE Ratio falls into.


ROCO:3594
63GF Score
Arbor Technology Corp ROCO:3594
E10 is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Arbor Technology 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, Arbor Technology's adjusted earnings per share data for the three months ended in Dec. 2025 was:

Adj_EPS= Earnings per Share (Diluted) /CPI of Dec. 2025 (Change)*Current CPI (Dec. 2025)
=0.54/324.0540*324.0540
=0.540

Current CPI (Dec. 2025) = 324.0540.

Arbor Technology Quarterly Data

per share eps CPI Adj_EPS
201603 0.009 238.132 0.012
201606 0.091 241.018 0.122
201609 -0.425 241.428 -0.570
201612 0.536 241.432 0.719
201703 -1.063 243.801 -1.413
201706 0.629 244.955 0.832
201709 3.629 246.819 4.765
201712 -1.000 246.524 -1.314
201803 -0.591 249.554 -0.767
201806 0.381 251.989 0.490
201809 0.330 252.439 0.424
201812 0.204 251.233 0.263
201903 0.243 254.202 0.310
201906 0.350 256.143 0.443
201909 0.139 256.759 0.175
201912 -0.059 256.974 -0.074
202003 -0.456 258.115 -0.572
202006 0.258 257.797 0.324
202009 0.307 260.280 0.382
202012 0.011 260.474 0.014
202103 -0.120 264.877 -0.147
202106 0.130 271.696 0.155
202109 -0.003 274.310 -0.004
202112 0.290 278.802 0.337
202203 0.180 287.504 0.203
202206 0.230 296.311 0.252
202209 0.640 296.808 0.699
202212 0.410 296.797 0.448
202303 0.380 301.836 0.408
202306 0.550 305.109 0.584
202309 0.370 307.789 0.390
202312 0.000 306.746 0.000
202403 0.190 312.332 0.197
202406 0.410 314.175 0.423
202409 0.110 315.301 0.113
202412 0.640 315.605 0.657
202503 -0.210 319.799 -0.213
202506 -0.200 322.561 -0.201
202509 0.360 324.800 0.359
202512 0.540 324.054 0.540

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 NT$1.00 mean?
Arbor Technology (ROCO:3594) has a E10 of NT$1.00 as of Dec. 2025. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on Arbor Technology and its competitors.
Is Arbor Technology's E10 too high?
Arbor Technology's current E10 is NT$1.00. Overall, Arbor Technology has a GF Score™ of 63/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Arbor Technology's E10 compare to SNDK and DELL?
Arbor Technology's E10 of NT$1.00 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 Arbor Technology and its competitors. Arbor Technology's current E10 is NT$1.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Arbor Technology stock overvalued right now?
Based on GuruFocus' analysis, Arbor Technology (ROCO:3594) is currently considered Fairly Valued. The stock's GF Value™ is NT$52.23, compared to a current price of NT$52.10 — trading 0.2% below its estimated fair value. The current E10 is NT$1.00. Arbor Technology's overall GF Score™ is 63/100 with 9 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 Arbor Technology (ROCO:3594), the current E10 is NT$1.00 as of Dec. 2025. 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 Arbor Technology (ROCO:3594) Overvalued in 2026?

Based on GuruFocus' analysis, Arbor Technology stock appears to be undervalued. The current stock price of NT$52.10 is trading 0.2% below its estimated GF Value™ of NT$52.23. GuruFocus considers Arbor Technology to be Fairly Valued.

Key valuation signals for ROCO:3594:

  • E10: NT$1.00
  • GF Value™: NT$52.23 vs. price of NT$52.10 (0.2% below fair value)
  • GF Score™: 63/100 with 9 warning signs

No single metric tells the full story. See the ROCO:3594 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Arbor Technology Business Description

Address No.700, Zhongzheng Road, 10th Floor, Zhonghe District, Taipei, TWN, 235
Arbor Technology Corp is a Taiwan-based company that engages in the manufacture and sale of computing platforms and mobility solutions. The Company manufactures and sells industrial motherboards, computer products, peripheral devices, electronic parts, and related products. The company operates in geographical areas of Taiwan, Mainland China, America, Europe, Korea, and other countries.
63GF Score

Get the complete analysis for ROCO:3594

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

NT$52.10
Price
NT$52.23
GF Value