Youngtek Electronics (ROCO:6261) E10: NT$5.32 (As of Dec. 2025)


ROCO:6261 Youngtek Electronics Corp ROCO:6261
67 GF Score
Price NT$91.40
GF Value NT$66.57
Valuation Significantly Overvalued
! 4 Warning Signs
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What is Youngtek Electronics E10?

Youngtek Electronics ROCO:6261 -0.11% 67 E10 is NT$5.32 as of Dec. 2025. GuruFocus rates ROCO:6261 with a GF Score™ of 67/100 and a GF Value™ of NT$66.57 (Significantly Overvalued). The stock has 4 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.

Youngtek Electronics's adjusted earnings per share data for the three months ended in Dec. 2025 was NT$1.520. Add all the adjusted EPS for the past 10 years together and divide 10 will get our e10, which is NT$5.32 for the trailing ten years ended in Dec. 2025.

During the past 12 months, Youngtek Electronics's average E10 Growth Rate was 1.10% per year. During the past 3 years, the average E10 Growth Rate was -0.40% per year. During the past 5 years, the average E10 Growth Rate was 2.60% 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 Youngtek Electronics was 5.80% per year. The lowest was -0.40% per year. And the median was 1.60% per year.

As of today (2026-07-09), Youngtek Electronics's current stock price is NT$91.40. Youngtek Electronics's E10 for the quarter that ended in Dec. 2025 was NT$5.32. Youngtek Electronics's Shiller PE Ratio of today is 17.18.

During the past 13 years, the highest Shiller PE Ratio of Youngtek Electronics was 23.31. The lowest was 7.88. And the median was 12.11.


Youngtek Electronics  (ROCO:6261) 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.

Youngtek Electronics's Shiller P/E Ratio of today is calculated as

Shiller PE Ratio=Share Price/E10
=91.40/5.32
=17.18

* 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 Youngtek Electronics was 23.31. The lowest was 7.88. And the median was 12.11.


Be Aware

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


Youngtek Electronics E10 Related Terms


Youngtek Electronics E10 Historical Data

* Premium members only.

The historical data trend for Youngtek Electronics'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.

Youngtek Electronics E10 Chart

Youngtek Electronics 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 5.02 5.38 5.45 5.26 5.32

Youngtek Electronics 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 5.26 5.29 5.23 5.30 5.32

ROCO:6261 vs AMAT, LRCX, KLAC: E10 Comparison

For the Semiconductor Equipment & Materials subindustry, Youngtek Electronics'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.


Youngtek Electronics Shiller PE Ratio vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Youngtek Electronics's Shiller PE Ratio distribution charts can be found below:

* The bar in red indicates where Youngtek Electronics's Shiller PE Ratio falls into.


ROCO:6261
67GF Score
Youngtek Electronics Corp ROCO:6261
E10 is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Youngtek Electronics 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, Youngtek Electronics'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)
=1.52/324.0540*324.0540
=1.520

Current CPI (Dec. 2025) = 324.0540.

Youngtek Electronics Quarterly Data

per share eps CPI Adj_EPS
201603 1.080 238.132 1.470
201606 0.930 241.018 1.250
201609 0.710 241.428 0.953
201612 0.690 241.432 0.926
201703 0.300 243.801 0.399
201706 1.210 244.955 1.601
201709 1.300 246.819 1.707
201712 1.150 246.524 1.512
201803 0.540 249.554 0.701
201806 0.650 251.989 0.836
201809 1.160 252.439 1.489
201812 1.190 251.233 1.535
201903 0.350 254.202 0.446
201906 0.400 256.143 0.506
201909 1.270 256.759 1.603
201912 1.090 256.974 1.375
202003 1.220 258.115 1.532
202006 0.670 257.797 0.842
202009 1.530 260.280 1.905
202012 0.670 260.474 0.834
202103 1.970 264.877 2.410
202106 2.250 271.696 2.684
202109 2.570 274.310 3.036
202112 1.510 278.802 1.755
202203 2.200 287.504 2.480
202206 2.410 296.311 2.636
202209 1.470 296.808 1.605
202212 0.480 296.797 0.524
202303 0.730 301.836 0.784
202306 0.380 305.109 0.404
202309 1.390 307.789 1.463
202312 1.560 306.746 1.648
202403 0.880 312.332 0.913
202406 1.450 314.175 1.496
202409 0.710 315.301 0.730
202412 0.990 315.605 1.017
202503 0.920 319.799 0.932
202506 0.380 322.561 0.382
202509 1.380 324.800 1.377
202512 1.520 324.054 1.520

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$5.32 mean?
Youngtek Electronics (ROCO:6261) has a E10 of NT$5.32 as of Dec. 2025. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on Youngtek Electronics and its competitors.
Is Youngtek Electronics' E10 too high?
Youngtek Electronics' current E10 is NT$5.32. Overall, Youngtek Electronics has a GF Score™ of 67/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Youngtek Electronics' E10 compare to AMAT and LRCX?
Youngtek Electronics' E10 of NT$5.32 can be compared against companies in the Semiconductors 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 Semiconductors company?
A good E10 depends on the Semiconductors 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 Youngtek Electronics and its competitors. Youngtek Electronics's current E10 is NT$5.32. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Youngtek Electronics stock overvalued right now?
Based on GuruFocus' analysis, Youngtek Electronics (ROCO:6261) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$66.57, compared to a current price of NT$91.40 — trading 37.3% above its estimated fair value. The current E10 is NT$5.32. Youngtek Electronics' overall GF Score™ is 67/100 with 4 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 Youngtek Electronics (ROCO:6261), the current E10 is NT$5.32 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 Youngtek Electronics (ROCO:6261) Overvalued in 2026?

Based on GuruFocus' analysis, Youngtek Electronics stock appears to be overvalued. The current stock price of NT$91.40 is trading 37.3% above its estimated GF Value™ of NT$66.57. GuruFocus considers Youngtek Electronics to be Significantly Overvalued.

Key valuation signals for ROCO:6261:

  • E10: NT$5.32
  • GF Value™: NT$66.57 vs. price of NT$91.40 (37.3% above fair value)
  • GF Score™: 67/100 with 4 warning signs

No single metric tells the full story. See the ROCO:6261 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Youngtek Electronics Business Description

Address No. 13, Aly. 17, Lane. 99, Puding Road, Science Industrial Park, Hsinchu, TWN, 30078
Youngtek Electronics Corp is a Taiwan-based company that is mainly engaged in electronic component manufacturing, machinery equipment manufacturing, and manufacturing for export. Its products offering include full-function IC tester, logic, analog, mixed-signal IC tester, LED Bonder, and RFID dry inlay bonder among others. The company's operating segments are; OEM business division and the own-brand product business division. OEM Business Division generated maximum revenue. The company operates in Domestic as well as Foreign markets.
67GF Score

Get the complete analysis for ROCO:6261

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

NT$91.40
Price
NT$66.57
GF Value