Rambus (MEX:RMBS) Cyclically Adjusted Book per Share: MXN208.65 (As of Mar. 2026)


MEX:RMBS Rambus Inc MEX:RMBS
89 GF Score
Price MXN1,959.00
GF Value MXN1,615.19
! 1 Warning Sign
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What is Rambus Cyclically Adjusted Book per Share?

Rambus MEX:RMBS 89 Cyclically Adjusted Book per Share is MXN208.65 as of Mar. 2026. GuruFocus rates MEX:RMBS with a GF Score™ of 89/100 and a GF Value™ of MXN1,615.19. The stock has 1 warning sign investors should review.

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years.

Rambus's adjusted book value per share for the three months ended in Mar. 2026 was MXN232.334. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is MXN208.65 for the trailing ten years ended in Mar. 2026.

During the past 12 months, Rambus's average Cyclically Adjusted Book Growth Rate was 9.90% per year. During the past 3 years, the average Cyclically Adjusted Book Growth Rate was 9.60% per year. During the past 5 years, the average Cyclically Adjusted Book Growth Rate was 10.50% per year. During the past 10 years, the average Cyclically Adjusted Book Growth Rate was 11.30% 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 Cyclically Adjusted Book Growth Rate using Cyclically Adjusted Book per Share data.

During the past 13 years, the highest 3-Year average Cyclically Adjusted Book Growth Rate of Rambus was 14.70% per year. The lowest was 1.40% per year. And the median was 9.00% per year.

As of today (2026-07-11), Rambus's current stock price is MXN1959.00. Rambus's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was MXN208.65. Rambus's Cyclically Adjusted PB Ratio of today is 9.39.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of Rambus was 15.92. The lowest was 1.66. And the median was 3.72.


Rambus  (MEX:RMBS) Cyclically Adjusted Book per Share Explanation

If a company grows much fast than inflation, Cyclically Adjusted Book per Share may underestimate the company's equity. Cyclically Adjusted PB Ratio can seem to be too high even the actual PB Ratio is low.

For the Cyclically Adjusted PB Ratio, the book value of the past 10 years are inflation-adjusted and averaged. The result is used for P/B calculation. Since it looks at the average over the last 10 years, the Cyclically Adjusted PB Ratio is also called CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

Rambus's Cyclically Adjusted PB Ratio of today is calculated as

Cyclically Adjusted PB Ratio=Share Price/Cyclically Adjusted Book per Share
=1959.00/208.65
=9.39

* 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 Cyclically Adjusted PB Ratio of Rambus was 15.92. The lowest was 1.66. And the median was 3.72.


Be Aware

Cyclically Adjusted PB Ratio works better for cyclical companies. It gives you a better idea on the company's real book value.


Rambus Cyclically Adjusted Book per Share Related Terms


Rambus Cyclically Adjusted Book per Share Historical Data

* Premium members only.

The historical data trend for Rambus's Cyclically Adjusted Book per Share 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 Cyclically Adjusted Book per Share Chart

Rambus Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted Book per Share
Get a 7-Day Free Trial Premium Member Only Premium Member Only 47.19 43.03 24.81 161.72 185.48

Rambus Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Cyclically Adjusted Book per Share 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 184.41 175.29 173.41 185.48 208.65

MEX:RMBS vs SMTC, ALGM, SIMO: Cyclically Adjusted Book per Share Comparison

For the Semiconductors subindustry, Rambus's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB 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 Cyclically Adjusted PB Ratio vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Rambus's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Rambus's Cyclically Adjusted PB Ratio falls into.


MEX:RMBS
89GF Score
Rambus Inc MEX:RMBS
Cyclically Adjusted Book per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Rambus Cyclically Adjusted Book per Share Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years.

What is Cyclically Adjusted Book per Share? How do we calculate Cyclically Adjusted Book per Share?

Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the Cyclically Adjusted Book per Share of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the book value per share from 2001 through 2010.

We adjusted the 2001 book value per share data with the total inflation from 2001 through 2010 to the equivalent book value in 2010. If the total inflation from 2001 to 2010 is 40%, and Wal-Mart's book value is $1 a share in 2001, then the 2001's equivalent book value in 2010 is $1.4 a share. If Wal-Mart's book value is $1 again in 2002, and the total inflation from 2002 through 2010 is 35%, then the equivalent 2002 book value in 2010 is $1.35. So on and so forth, you get the equivalent book value per share of past 10 years. Then you add them together and divided the sum by the count to get Cyclically Adjusted Book per Share.

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 Book Value per Share data for the three months ended in Mar. 2026 was:

Adj_Book= Book Value per Share /CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=232.334/330.2130*330.2130
=232.334

Current CPI (Mar. 2026) = 330.2130.

Rambus Quarterly Data

Book Value per Share CPI Adj_Book
201606 91.269 241.018 125.045
201609 96.779 241.428 132.369
201612 102.623 241.432 140.360
201703 101.377 243.801 137.309
201706 94.322 244.955 127.151
201709 97.460 246.819 130.389
201712 102.271 246.524 136.990
201803 189.138 249.554 250.270
201806 202.359 251.989 265.177
201809 173.828 252.439 227.383
201812 182.289 251.233 239.595
201903 175.693 254.202 228.228
201906 168.227 256.143 216.874
201909 170.214 256.759 218.909
201912 164.054 256.974 210.810
202003 199.900 258.115 255.737
202006 195.866 257.797 250.885
202009 185.815 260.280 235.740
202012 162.541 260.474 206.060
202103 165.230 264.877 205.987
202106 151.829 271.696 184.529
202109 159.405 274.310 191.891
202112 161.871 278.802 191.720
202203 143.256 287.504 164.537
202206 152.558 296.311 170.013
202209 140.339 296.808 156.134
202212 141.187 296.797 157.083
202303 126.144 301.836 138.003
202306 148.542 305.109 160.764
202309 154.823 307.789 166.103
202312 163.378 306.746 175.877
202403 152.687 312.332 161.428
202406 175.050 314.175 183.986
202409 191.958 315.301 201.037
202412 218.759 315.605 228.884
202503 220.908 319.799 228.102
202506 214.899 322.561 219.997
202509 219.568 324.800 223.227
202512 227.936 324.054 232.268
202603 232.334 330.213 232.334

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

What does a Cyclically Adjusted Book per Share of MXN208.65 mean?
Rambus (MEX:RMBS) has a Cyclically Adjusted Book per Share of MXN208.65 as of Mar. 2026. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on Rambus and its competitors.
Is Rambus' Cyclically Adjusted Book per Share too high?
Rambus' current Cyclically Adjusted Book per Share is MXN208.65. Overall, Rambus has a GF Score™ of 89/100, reflecting its overall financial health beyond just this single metric.
How does Rambus' Cyclically Adjusted Book per Share compare to SMTC and ALGM?
Rambus' Cyclically Adjusted Book per Share of MXN208.65 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 Cyclically Adjusted Book per Share for a Semiconductors company?
A good Cyclically Adjusted Book per Share depends on the Semiconductors industry context. However, Cyclically Adjusted Book per Share 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 Cyclically Adjusted Book per Share mean?
A high Cyclically Adjusted Book per Share can signal that a stock is expensive relative to its fundamentals. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on Rambus and its competitors. Rambus's current Cyclically Adjusted Book per Share is MXN208.65. 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?
Rambus (MEX:RMBS) has a current Cyclically Adjusted Book per Share of MXN208.65. The stock's GF Value™ is MXN1,615.19, compared to a current price of MXN1,959.00 — trading 21.3% above its estimated fair value. The current Cyclically Adjusted Book per Share is MXN208.65. Rambus' overall GF Score™ is 89/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted Book per Share calculated?
Cyclically Adjusted Book per Share is calculated from a company's financial statements. For Rambus (MEX:RMBS), the current Cyclically Adjusted Book per Share is MXN208.65 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 Rambus (MEX:RMBS) Overvalued in 2026?

Based on GuruFocus' analysis, Rambus stock appears to be overvalued. The current stock price of MXN1,959.00 is trading 21.3% above its estimated GF Value™ of MXN1,615.19.

Key valuation signals for MEX:RMBS:

  • Cyclically Adjusted Book per Share: MXN208.65
  • GF Value™: MXN1,615.19 vs. price of MXN1,959.00 (21.3% above fair value)
  • GF Score™: 89/100 with 1 warning sign

No single metric tells the full story. See the MEX:RMBS 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.
89GF Score

Get the complete analysis for MEX:RMBS

Cyclically Adjusted Book per Share is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

MXN1,959.00
Price
MXN1,615.19
GF Value