Rambus (LTS:0QYL) E10: $ (As of Jun. 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
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Director of Data and Quant Analytics at GuruFocus
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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.

LTS:0QYL Rambus Inc LTS:0QYL
87 GF Score
Price $85.75
GF Value $96.22
Valuation Modestly Undervalued
! 1 Warning Sign
View Full Analysis

What is Rambus E10?

Rambus LTS:0QYL +0.70% 87 E10 is $ as of Jun. 2026. GuruFocus rates LTS:0QYL with a GF Score™ of 87/100 and a GF Value™ of $96.22 (Modestly Undervalued). The stock has 1 warning sign 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.

Rambus's adjusted earnings per share data for the three months ended in Jun. 2026 was $0.615. Add all the adjusted EPS for the past 10 years together and divide 10 will get our e10, which is $ for the trailing ten years ended in Jun. 2026.

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 Rambus was 23.40% per year. The lowest was -224.00% per year. And the median was -1.95% per year.

As of today (2026-09-21), Rambus's current stock price is $85.75. Rambus's E10 for the quarter that ended in Jun. 2026 was $. Rambus's Shiller PE Ratio of today is .

During the past 13 years, the highest Shiller PE Ratio of Rambus was 1069.50. The lowest was 102.68. And the median was 235.36.


Rambus  (LTS:0QYL) 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.

During the past 13 years, the highest Shiller P/E Ratio of Rambus was 1069.50. The lowest was 102.68. And the median was 235.36.


Be Aware

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


Rambus E10 Related Terms


Rambus E10 Historical Data

* Premium members only.

The historical data trend for Rambus'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.

Rambus E10 Chart

Rambus Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
E10
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Rambus Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 - - - - -

LTS:0QYL vs SWKS, QRVO, SIMO: E10 Comparison

For the Semiconductors subindustry, Rambus'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.


Rambus Shiller PE Ratio vs Semiconductors Industry

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

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


LTS:0QYL
87GF Score
Rambus Inc LTS:0QYL
E10 is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Rambus 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, Rambus'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)
=0.6147/333.9520*333.9520
=0.615

Current CPI (Jun. 2026) = 333.9520.

Rambus Quarterly Data

per share eps CPI Adj_EPS
201609 0.040 241.428 0.055
201612 -0.030 241.432 -0.041
201703 0.030 243.801 0.041
201706 0.020 244.955 0.027
201709 0.070 246.819 0.095
201712 -0.290 246.524 -0.393
201803 -0.330 249.554 -0.442
201806 -0.140 251.989 -0.186
201809 -0.972 252.439 -1.286
201812 -0.019 251.233 -0.025
201903 -0.242 254.202 -0.318
201906 -0.334 256.143 -0.435
201909 -0.156 256.759 -0.203
201912 -0.085 256.974 -0.111
202003 -0.058 258.115 -0.075
202006 -0.081 257.797 -0.104
202009 -0.112 260.280 -0.144
202012 -0.107 260.474 -0.137
202103 -0.023 264.877 -0.029
202106 0.097 271.696 0.119
202109 0.032 274.310 0.039
202112 0.053 278.802 0.064
202203 -0.603 287.504 -0.700
202206 0.311 296.311 0.350
202209 0.008 296.808 0.009
202212 0.144 296.797 0.162
202303 0.030 301.836 0.033
202306 1.513 305.109 1.656
202309 0.932 307.789 1.011
202312 0.532 306.746 0.579
202403 0.299 312.332 0.320
202406 0.331 314.175 0.351
202409 0.449 315.301 0.475
202412 0.576 315.605 0.609
202503 0.555 319.799 0.580
202506 0.534 322.561 0.553
202509 0.443 324.800 0.455
202512 0.582 324.054 0.600
202603 0.546 330.213 0.552
202606 0.615 333.952 0.615

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 $ mean?
Rambus (LTS:0QYL) has a E10 of $ as of Jun. 2026. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on Rambus and its competitors.
Is Rambus' E10 too high?
Rambus' current E10 is $. Overall, Rambus has a GF Score™ of 87/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Rambus' E10 compare to SWKS and QRVO?
Rambus' E10 of $ 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 Rambus and its competitors. Rambus's current E10 is $. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Rambus stock overvalued right now?
Based on GuruFocus' analysis, Rambus (LTS:0QYL) is currently considered Modestly Undervalued. The stock's GF Value™ is $96.22, compared to a current price of $85.75 — trading 10.9% below its estimated fair value. The current E10 is $. Rambus' overall GF Score™ is 87/100 with 1 warning sign 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 Rambus (LTS:0QYL), the current E10 is $ as of Jun. 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 Rambus (LTS:0QYL) Overvalued in 2026?

Based on GuruFocus' analysis, Rambus stock appears to be undervalued. The current stock price of $85.75 is trading 10.9% below its estimated GF Value™ of $96.22. GuruFocus considers Rambus to be Modestly Undervalued.

Key valuation signals for LTS:0QYL:

  • E10: $
  • GF Value™: $96.22 vs. price of $85.75 (10.9% below fair value)
  • GF Score™: 87/100 with 1 warning sign

No single metric tells the full story. See the LTS:0QYL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Rambus Business Description

Address 4453 North First Street, Suite 100, San Jose, CA, USA, 95134
Rambus Inc is a semiconductor company providing chips and silicon IP for data-intensive computing systems, focusing on data center and artificial intelligence (AI) infrastructure. The company is at the forefront of enabling the next era of AI-driven computing, addressing challenges of signal and power integrity at increasingly extreme data rates across the data center, edge, and client markets. It offers high-performance memory subsystems, with a balanced and diverse portfolio of products, IP, and patents that maximize performance and security in computationally intensive systems. The company operates in South Korea, Singapore, the United States, and other countries, with the majority of its revenue coming from South Korea.
87GF Score

Get the complete analysis for LTS:0QYL

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

$85.75
Price
$96.22
GF Value