GCS Holdings (LUX:GCSH) Shiller PE Ratio: (As of Sep. 11, 2026)

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.

LUX:GCSH GCS Holdings Inc LUX:GCSH
78 GF Score
Price $6.40
GF Value $1.96
View Full Analysis

What is GCS Holdings Shiller PE Ratio?

Shiller PE for Stocks: The True Measure of Stock Valuation


GCS Holdings  (LUX:GCSH) Shiller PE Ratio Explanation

Compared with the regular PE Ratio, which works poorly for cyclical businesses, the Shiller PE Ratio smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Shiller PE Ratio should give similar results to regular PE Ratio.

Compared with the PS Ratio, the Shiller PE Ratio makes the comparison between different industries more meaningful.


Be Aware

Shiller PE Ratio assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, Shiller PE Ratio and PS Ratio will give false valuations.


GCS Holdings Shiller PE Ratio Related Terms


GCS Holdings Shiller PE Ratio Historical Data

* Premium members only.

The historical data trend for GCS Holdings's Shiller PE 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.

GCS Holdings Shiller PE Ratio Chart

GCS Holdings Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Shiller PE Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 22.28 31.13 108.27 0.00 0.00

GCS Holdings Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Shiller PE 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 0.00 0.00 0.00 0.00 0.00

LUX:GCSH vs LRCX, AMAT, KLAC: Shiller PE Ratio Comparison

For the Semiconductor Equipment & Materials subindustry, GCS Holdings'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.


GCS Holdings Shiller PE Ratio vs Semiconductors Industry

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

* The bar in red indicates where GCS Holdings's Shiller PE Ratio falls into.


LUX:GCSH
78GF Score
GCS Holdings Inc LUX:GCSH
Shiller PE Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

GCS Holdings Shiller PE Ratio Calculation

For Shiller PE Ratio, 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 PE Ratio is also called PE10.

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

GCS Holdings's E10 for the quarter that ended in Jun. 2026 is calculated as:

For example, GCS Holdings'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)
=0.144/333.9520*333.9520
=0.144

Current CPI (Jun. 2026) = 333.9520.

GCS Holdings Quarterly Data

Earnings per Share (Diluted) CPI Adj_EPS
201609 0.190 241.428 0.263
201612 0.096 241.432 0.133
201703 0.134 243.801 0.184
201706 0.147 244.955 0.200
201709 0.241 246.819 0.326
201712 0.166 246.524 0.225
201803 0.177 249.554 0.237
201806 0.189 251.989 0.250
201809 0.183 252.439 0.242
201812 0.103 251.233 0.137
201903 0.027 254.202 0.035
201906 0.156 256.143 0.203
201909 0.108 256.759 0.140
201912 0.189 256.974 0.246
202003 0.005 258.115 0.006
202006 0.012 257.797 0.016
202009 -0.066 260.280 -0.085
202012 -0.173 260.474 -0.222
202103 -0.173 264.877 -0.218
202106 -0.089 271.696 -0.109
202109 -0.169 274.310 -0.206
202112 -0.311 278.802 -0.373
202203 -0.269 287.504 -0.312
202206 -0.232 296.311 -0.261
202209 -0.320 296.808 -0.360
202212 -0.573 296.797 -0.645
202303 -0.430 301.836 -0.476
202306 -0.386 305.109 -0.422
202309 -0.319 307.789 -0.346
202312 -0.005 306.746 -0.005
202403 -0.296 312.332 -0.316
202406 -0.180 314.175 -0.191
202409 0.212 315.301 0.225
202412 -0.069 315.605 -0.073
202503 -0.106 319.799 -0.111
202506 0.022 322.561 0.023
202509 0.021 324.800 0.022
202512 0.095 324.054 0.098
202603 0.259 330.213 0.262
202606 0.144 333.952 0.144

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

Is GCS Holdings (LUX:GCSH) Overvalued in 2026?

Based on GuruFocus' analysis, GCS Holdings stock appears to be overvalued. The current stock price of $6.40 is trading 226.5% above its estimated GF Value™ of $1.96.

Key valuation signals for LUX:GCSH:

  • Shiller PE Ratio:
  • GF Value™: $1.96 vs. price of $6.40 (226.5% above fair value)
  • GF Score™: 78/100

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


GCS Holdings Business Description

Other Exchanges 4991:Taiwan
Address 23155 Kashiwa Court, Torrance, CA, USA, 90505
GCS Holdings Inc through its subsidiaries, is engaged in the manufacturing of compound semiconductor wafers and foundry-related services as well as the licensing of intellectual property. It is also engaged in the research, development, manufacture, and sales of optoelectronics technology products. Its portfolio offerings include Radio Frequency Integrated Circuits (RFIC) and millimeter-wave integrated circuits for the wireless markets, power devices for power electronics, and Photodetectors and Lasers for the optical communications market. Geographically, the company generates a majority of its revenue from China and the rest from the United States, Taiwan, and other markets.
78GF Score

Get the complete analysis for LUX:GCSH

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

$6.40
Price
$1.96
GF Value