Siward Crystal Technology Co (TPE:2484) E10: NT$1.94 (As of Dec. 2025)


TPE:2484 Siward Crystal Technology Co Ltd TPE:2484
57 GF Score
Price NT$76.80
GF Value NT$27.14
Valuation Significantly Overvalued
! 9 Warning Signs
View Full Analysis

What is Siward Crystal Technology Co E10?

Siward Crystal Technology Co TPE:2484 +9.87% 57 E10 is NT$1.94 as of Dec. 2025. GuruFocus rates TPE:2484 with a GF Score™ of 57/100 and a GF Value™ of NT$27.14 (Significantly Overvalued). 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.

Siward Crystal Technology Co's adjusted earnings per share data for the three months ended in Dec. 2025 was NT$0.390. Add all the adjusted EPS for the past 10 years together and divide 10 will get our e10, which is NT$1.94 for the trailing ten years ended in Dec. 2025.

During the past 12 months, Siward Crystal Technology Co's average E10 Growth Rate was -4.90% per year. During the past 3 years, the average E10 Growth Rate was -1.20% per year. During the past 5 years, the average E10 Growth Rate was 15.40% 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 Siward Crystal Technology Co was 32.70% per year. The lowest was -1.20% per year. And the median was 23.45% per year.

As of today (2026-06-29), Siward Crystal Technology Co's current stock price is NT$76.80. Siward Crystal Technology Co's E10 for the quarter that ended in Dec. 2025 was NT$1.94. Siward Crystal Technology Co's Shiller PE Ratio of today is 39.59.

During the past 13 years, the highest Shiller PE Ratio of Siward Crystal Technology Co was 39.62. The lowest was 9.54. And the median was 18.43.


Siward Crystal Technology Co  (TPE:2484) 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.

Siward Crystal Technology Co's Shiller P/E Ratio of today is calculated as

Shiller PE Ratio=Share Price/E10
=76.80/1.94
=39.59

* 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 Siward Crystal Technology Co was 39.62. The lowest was 9.54. And the median was 18.43.


Be Aware

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


Siward Crystal Technology Co E10 Related Terms


Siward Crystal Technology Co E10 Historical Data

* Premium members only.

The historical data trend for Siward Crystal Technology Co'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.

Siward Crystal Technology Co E10 Chart

Siward Crystal Technology Co 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 1.33 2.01 2.12 2.04 1.94

Siward Crystal Technology Co 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 2.04 2.05 2.01 1.95 1.94

TPE:2484 vs APH, GLW: E10 Comparison

For the Electronic Components subindustry, Siward Crystal Technology Co'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.


Siward Crystal Technology Co Shiller PE Ratio vs Hardware Industry

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

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


TPE:2484
57GF Score
Siward Crystal Technology Co Ltd TPE:2484
E10 is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Siward Crystal Technology Co 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, Siward Crystal Technology Co'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)
=0.39/324.0540*324.0540
=0.390

Current CPI (Dec. 2025) = 324.0540.

Siward Crystal Technology Co Quarterly Data

per share eps CPI Adj_EPS
201603 0.070 238.132 0.095
201606 0.510 241.018 0.686
201609 0.270 241.428 0.362
201612 0.630 241.432 0.846
201703 0.090 243.801 0.120
201706 0.370 244.955 0.489
201709 0.340 246.819 0.446
201712 0.240 246.524 0.315
201803 0.250 249.554 0.325
201806 0.560 251.989 0.720
201809 0.410 252.439 0.526
201812 0.410 251.233 0.529
201903 0.200 254.202 0.255
201906 0.270 256.143 0.342
201909 0.340 256.759 0.429
201912 -0.040 256.974 -0.050
202003 0.230 258.115 0.289
202006 0.310 257.797 0.390
202009 0.360 260.280 0.448
202012 0.100 260.474 0.124
202103 0.480 264.877 0.587
202106 0.580 271.696 0.692
202109 0.770 274.310 0.910
202112 0.700 278.802 0.814
202203 1.030 287.504 1.161
202206 1.500 296.311 1.640
202209 1.710 296.808 1.867
202212 0.560 296.797 0.611
202303 0.540 301.836 0.580
202306 0.440 305.109 0.467
202309 0.590 307.789 0.621
202312 0.060 306.746 0.063
202403 0.240 312.332 0.249
202406 0.270 314.175 0.278
202409 0.180 315.301 0.185
202412 0.300 315.605 0.308
202503 0.240 319.799 0.243
202506 -0.110 322.561 -0.111
202509 0.140 324.800 0.140
202512 0.390 324.054 0.390

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$1.94 mean?
Siward Crystal Technology Co (TPE:2484) has a E10 of NT$1.94 as of Dec. 2025. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on Siward Crystal Technology Co and its competitors.
Is Siward Crystal Technology Co's E10 too high?
Siward Crystal Technology Co's current E10 is NT$1.94. Overall, Siward Crystal Technology Co has a GF Score™ of 57/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Siward Crystal Technology Co's E10 compare to APH and GLW?
Siward Crystal Technology Co's E10 of NT$1.94 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 Siward Crystal Technology Co and its competitors. Siward Crystal Technology Co's current E10 is NT$1.94. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Siward Crystal Technology Co stock overvalued right now?
Based on GuruFocus' analysis, Siward Crystal Technology Co (TPE:2484) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$27.14, compared to a current price of NT$76.80 — trading 183% above its estimated fair value. The current E10 is NT$1.94. Siward Crystal Technology Co's overall GF Score™ is 57/100 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 Siward Crystal Technology Co (TPE:2484), the current E10 is NT$1.94 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 Siward Crystal Technology Co (TPE:2484) Overvalued in 2026?

Based on GuruFocus' analysis, Siward Crystal Technology Co stock appears to be overvalued. The current stock price of NT$76.80 is trading 183% above its estimated GF Value™ of NT$27.14. GuruFocus considers Siward Crystal Technology Co to be Significantly Overvalued.

Key valuation signals for TPE:2484:

  • E10: NT$1.94
  • GF Value™: NT$27.14 vs. price of NT$76.80 (183% above fair value)
  • GF Score™: 57/100 with 9 warning signs

No single metric tells the full story. See the TPE:2484 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Siward Crystal Technology Co Business Description

Address Zhongshan Road, Lane 111, No. 11-1, Section 3, Tanzi District, Taichung, TWN, 42756
Siward Crystal Technology Co Ltd operates as a manufacturer in the crystals and oscillators industry. It is engaged in the research and development, design, production, and sales of quartz frequency control components. The company's product line includes artificial crystals, quartz chips, SAW WAFER, as well as quartz crystals, crystal oscillators, crystal filters, temperature compensation, and voltage control products etc., with a sound supply chain system to provide customers with a full range of services. The company's reportable segments include Siward Taiwan, Siward Japan, Apex Optech Corporation, and others. It generates maximum revenue from the Siward Taiwan segment.
57GF Score

Get the complete analysis for TPE:2484

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

NT$76.80
Price
NT$27.14
GF Value