QuickLogic (STU:QKL1) E10: €-1.42 (As of Mar. 2026)

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STU:QKL1 QuickLogic Corp STU:QKL1
54 GF Score
Price €11.67
GF Value €5.63
Valuation Significantly Overvalued
! 5 Warning Signs
View Full Analysis

What is QuickLogic E10?

QuickLogic STU:QKL1 -5.19% 54 E10 is €-1.42 as of Mar. 2026. GuruFocus rates STU:QKL1 with a GF Score™ of 54/100 and a GF Value™ of €5.63 (Significantly Overvalued). The stock has 5 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.

QuickLogic's adjusted earnings per share data for the three months ended in Mar. 2026 was €-0.112. Add all the adjusted EPS for the past 10 years together and divide 10 will get our e10, which is €-1.42 for the trailing ten years ended in Mar. 2026.

During the past 3 years, the average E10 Growth Rate was 15.50% per year. During the past 5 years, the average E10 Growth Rate was 11.60% per year. During the past 10 years, the average E10 Growth Rate was 6.90% 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 QuickLogic was 20.90% per year. The lowest was -2.90% per year. And the median was 4.90% per year.

As of today (2026-08-04), QuickLogic's current stock price is €11.67. QuickLogic's E10 for the quarter that ended in Mar. 2026 was €-1.42. QuickLogic's Shiller PE Ratio of today is .


QuickLogic  (STU:QKL1) 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.


QuickLogic E10 Related Terms


QuickLogic E10 Historical Data

* Premium members only.

The historical data trend for QuickLogic'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.

QuickLogic E10 Chart

QuickLogic 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 -2.76 -2.62 -2.32 -1.85 -1.53

QuickLogic Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 -2.01 -1.72 -1.59 -1.53 -1.42

STU:QKL1 vs GSIT, ALMU, GCTS: E10 Comparison

For the Semiconductors subindustry, QuickLogic'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.


QuickLogic Shiller PE Ratio vs Semiconductors Industry

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

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


STU:QKL1
54GF Score
QuickLogic Corp STU:QKL1
E10 is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

QuickLogic 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, QuickLogic's adjusted earnings per share data for the three months ended in Mar. 2026 was:

Adj_EPS= Earnings per Share (Diluted) /CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=-0.112/330.2130*330.2130
=-0.112

Current CPI (Mar. 2026) = 330.2130.

QuickLogic Quarterly Data

per share eps CPI Adj_EPS
201606 -0.997 241.018 -1.366
201609 -0.873 241.428 -1.194
201612 -0.664 241.432 -0.908
201703 -0.654 243.801 -0.886
201706 -0.623 244.955 -0.840
201709 -0.470 246.819 -0.629
201712 -0.473 246.524 -0.634
201803 -0.568 249.554 -0.752
201806 -0.479 251.989 -0.628
201809 -0.360 252.439 -0.471
201812 -0.369 251.233 -0.485
201903 -0.443 254.202 -0.575
201906 -0.575 256.143 -0.741
201909 -0.463 256.759 -0.595
201912 -0.333 256.974 -0.428
202003 -0.344 258.115 -0.440
202006 -0.311 257.797 -0.398
202009 -0.161 260.280 -0.204
202012 -0.222 260.474 -0.281
202103 -0.126 264.877 -0.157
202106 -0.149 271.696 -0.181
202109 -0.094 274.310 -0.113
202112 -0.115 278.802 -0.136
202203 -0.091 287.504 -0.105
202206 -0.038 296.311 -0.042
202209 -0.111 296.808 -0.123
202212 -0.085 296.797 -0.095
202303 -0.084 301.836 -0.092
202306 -0.157 305.109 -0.170
202309 0.075 307.789 0.080
202312 0.128 306.746 0.138
202403 0.009 312.332 0.010
202406 -0.102 314.175 -0.107
202409 -0.126 315.301 -0.132
202412 -0.019 315.605 -0.020
202503 -0.129 319.799 -0.133
202506 -0.147 322.561 -0.150
202509 -0.204 324.800 -0.207
202512 -0.299 324.054 -0.305
202603 -0.112 330.213 -0.112

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 €-1.42 mean?
QuickLogic (STU:QKL1) has a E10 of €-1.42 as of Mar. 2026. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on QuickLogic and its competitors.
Is QuickLogic's E10 too high?
QuickLogic's current E10 is €-1.42. Overall, QuickLogic has a GF Score™ of 54/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does QuickLogic's E10 compare to GSIT and ALMU?
QuickLogic's E10 of €-1.42 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 QuickLogic and its competitors. QuickLogic's current E10 is €-1.42. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is QuickLogic stock overvalued right now?
Based on GuruFocus' analysis, QuickLogic (STU:QKL1) is currently considered Significantly Overvalued. The stock's GF Value™ is €5.63, compared to a current price of €11.67 — trading 107.3% above its estimated fair value. The current E10 is €-1.42. QuickLogic's overall GF Score™ is 54/100 with 5 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 QuickLogic (STU:QKL1), the current E10 is €-1.42 as of Mar. 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 QuickLogic (STU:QKL1) Overvalued in 2026?

Based on GuruFocus' analysis, QuickLogic stock appears to be overvalued. The current stock price of €11.67 is trading 107.3% above its estimated GF Value™ of €5.63. GuruFocus considers QuickLogic to be Significantly Overvalued.

Key valuation signals for STU:QKL1:

  • E10: €-1.42
  • GF Value™: €5.63 vs. price of €11.67 (107.3% above fair value)
  • GF Score™: 54/100 with 5 warning signs

No single metric tells the full story. See the STU:QKL1 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


QuickLogic Business Description

Other Exchanges QUIK:USA0A4Q:UK
Address 2220 Lundy Avenue, San Jose, CA, USA, 95131
QuickLogic Corp is a fabless semiconductor company developing programmable logic semiconductor technologies, including embedded Field Programmable Gate Array (eFPGA) intellectual property (IP) and specialized FPGA devices. Its product offerings include the eFPGA IP licensing business and associated professional services, as well as a range of FPGA silicon products, including EOS, ArcticLink III, PolarPro 3, PolarPro II, PolarPro, and Eclipse II products, among others. The company's customers come from various markets, including aerospace and defense, industrial and infrastructure systems, data processing and computing platforms, and certain embedded and edge computing applications. Geographically, it generates maximum revenue from North America and the rest from Asia Pacific and Europe.
54GF Score

Get the complete analysis for STU:QKL1

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

€11.67
Price
€5.63
GF Value