Sunrun (MEX:RUN) Cyclically Adjusted PB Ratio: 0.49 (As of Aug. 13, 2026) — 31% Below Median

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Director of Data and Quant Analytics at GuruFocus
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MEX:RUN Sunrun Inc MEX:RUN
55 GF Score
Price MXN172.30
GF Value MXN265.02
Valuation Possible Value Trap
! 8 Warning Signs
View Full Analysis

What is Sunrun Cyclically Adjusted PB Ratio?

Sunrun MEX:RUN 55 Cyclically Adjusted PB Ratio is 0.49 as of Aug. 13, 2026, which is 31% below its 10-year median of 0.71. GuruFocus rates MEX:RUN with a GF Score™ of 55/100 and a GF Value™ of MXN265.02 (Possible Value Trap). The stock has 8 warning signs investors should review. Among 728 Semiconductors companies, Sunrun ranks better than 91.35% on this metric.

As of today (2026-08-13), Sunrun's current share price is MXN172.30. Sunrun's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was MXN350.64. Sunrun's Cyclically Adjusted PB Ratio for today is 0.49.

The historical rank and industry rank for Sunrun's Cyclically Adjusted PB Ratio or its related term are showing as below:

MEX:RUN' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.34   Med: 0.71   Max: 1.25
Current: 0.51

During the past years, Sunrun's highest Cyclically Adjusted PB Ratio was 1.25. The lowest was 0.34. And the median was 0.71.

MEX:RUN's Cyclically Adjusted PB Ratio is ranked better than
91.35% of 728 companies
in the Semiconductors industry
Industry Median: 3.23 vs MEX:RUN: 0.51

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.

Sunrun's adjusted book value per share data for the three months ended in Jun. 2026 was MXN253.611. 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 MXN350.64 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Sunrun  (MEX:RUN) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.


Sunrun Cyclically Adjusted PB Ratio Related Terms


Sunrun Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Sunrun's Cyclically Adjusted PB 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.

Sunrun Cyclically Adjusted PB Ratio Chart

Sunrun Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 1.19 0.52 0.98

Sunrun Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Cyclically Adjusted PB 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 0.44 0.93 0.98 0.70 0.68

MEX:RUN vs SEDG, SHLS, CSIQ: Cyclically Adjusted PB Ratio Comparison

For the Solar subindustry, Sunrun'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.


Sunrun Cyclically Adjusted PB Ratio vs Semiconductors Industry

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

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


MEX:RUN
55GF Score
Sunrun Inc MEX:RUN
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Sunrun Cyclically Adjusted PB Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.

Sunrun's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=172.30/350.64
=0.49

* 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.

Sunrun's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

For example, Sunrun's adjusted Book Value per Share data for the three months ended in Jun. 2026 was:

Adj_Book=Book Value per Share/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=253.611/333.9520*333.9520
=253.611

Current CPI (Jun. 2026) = 333.9520.

Sunrun Quarterly Data

Book Value per Share CPI Adj_Book
201609 117.940 241.428 163.139
201612 132.998 241.432 183.965
201703 124.750 243.801 170.879
201706 123.059 244.955 167.769
201709 128.260 246.819 173.539
201712 161.284 246.524 218.482
201803 156.245 249.554 209.086
201806 170.449 251.989 225.890
201809 161.966 252.439 214.265
201812 164.631 251.233 218.836
201903 156.305 254.202 205.342
201906 150.058 256.143 195.641
201909 155.163 256.759 201.812
201912 153.606 256.974 199.620
202003 170.307 258.115 220.345
202006 167.617 257.797 217.132
202009 179.002 260.280 229.668
202012 600.289 260.474 769.627
202103 619.124 264.877 780.580
202106 596.718 271.696 733.449
202109 618.500 274.310 752.978
202112 616.352 278.802 738.273
202203 595.603 287.504 691.826
202206 602.438 296.311 678.967
202209 625.164 296.808 703.400
202212 610.604 296.797 687.043
202303 541.820 301.836 599.471
202306 521.121 305.109 570.384
202309 448.934 307.789 487.095
202312 404.660 306.746 440.550
202403 389.610 312.332 416.579
202406 440.223 314.175 467.935
202409 463.775 315.301 491.209
202412 236.060 315.605 249.783
202503 235.374 319.799 245.791
202506 239.266 322.561 247.715
202509 236.339 324.800 242.998
202512 241.437 324.054 248.812
202603 255.795 330.213 258.691
202606 253.611 333.952 253.611

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

What does a Cyclically Adjusted PB Ratio of 0.49 mean?
Sunrun (MEX:RUN) has a Cyclically Adjusted PB Ratio of 0.49 as of Aug. 13, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Sunrun and its competitors. This is 31% below median its historical median of 0.71. Over the past decade, Sunrun's Cyclically Adjusted PB Ratio has ranged from 0.34 to 1.25. According to the industry distribution chart, Sunrun ranks #63 out of 728 companies in the Semiconductors industry, placing it in the top 8.7%.
Is Sunrun's Cyclically Adjusted PB Ratio too high?
Sunrun's current Cyclically Adjusted PB Ratio of 0.49 is 31% below median its 10-year median of 0.71. Over the past 10 years, this metric has ranged from a low of 0.34 to a high of 1.25. The Semiconductors industry median Cyclically Adjusted PB Ratio is 3.23. Sunrun's value of 0.49 is 84.8% below this industry median. Based on the distribution chart, Sunrun ranks #63 out of 728 companies in the Semiconductors industry, which is in the top quartile — a strong position relative to peers. Overall, Sunrun has a GF Score™ of 55/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Sunrun's Cyclically Adjusted PB Ratio compare to SEDG and SHLS?
According to the Semiconductors industry distribution chart, Sunrun ranks #63 out of 728 companies for Cyclically Adjusted PB Ratio. This places Sunrun in the top 9% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 3.23. Sunrun's value of 0.49 is 84.8% below this benchmark. Historically, Sunrun's own Cyclically Adjusted PB Ratio has ranged from 0.34 to 1.25 over the past decade. While the company's 10-year median is 0.71 vs. the industry median of 3.23, Sunrun has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted PB Ratio for a Semiconductors company?
The median Cyclically Adjusted PB Ratio among Semiconductors companies is 3.23, based on 728 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Sunrun's current Cyclically Adjusted PB Ratio of 0.49 is 84.8% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Sunrun and its competitors. For the Semiconductors industry, the median Cyclically Adjusted PB Ratio is 3.23 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Sunrun's current Cyclically Adjusted PB Ratio is 0.49, which is 31% below median its own 10-year median of 0.71. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sunrun stock overvalued right now?
Based on GuruFocus' analysis, Sunrun (MEX:RUN) is currently considered Possible Value Trap. The stock's GF Value™ is MXN265.02, compared to a current price of MXN172.30 — trading 35% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.49, which is 31% below median its 10-year median of 0.71 and 84.8% below the Semiconductors industry median of 3.23. Sunrun's overall GF Score™ is 55/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Sunrun (MEX:RUN), the current Cyclically Adjusted PB Ratio is 0.49 as of Aug. 13, 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 Sunrun (MEX:RUN) Overvalued in 2026?

Based on GuruFocus' analysis, Sunrun stock appears to be undervalued. The current stock price of MXN172.30 is trading 35% below its estimated GF Value™ of MXN265.02. GuruFocus considers Sunrun to be Possible Value Trap.

Key valuation signals for MEX:RUN:

  • Cyclically Adjusted PB Ratio: 0.49 (31% below median its 10-year median of 0.71)
  • GF Value™: MXN265.02 vs. price of MXN172.30 (35% below fair value)
  • GF Score™: 55/100 with 8 warning signs
  • Industry Position: 84.8% below the Semiconductors median (#63 of 728)

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


Sunrun Business Description

Address 600 California Street, Suite 1800, San Francisco, CA, USA, 94108
Sunrun is engaged in the design, development, installation, sale, ownership, and maintenance of residential solar energy systems in the United States. The company acquires customers directly and through relationships with various solar and strategic partners. The solar systems are constructed by Sunrun or by Sunrun's partners and are owned by the company. Sunrun's customers typically enter into 20- to 25-year agreements to utilize its solar energy system. The company also sells solar energy systems and products, such as panels and racking, and solar leads generated to customers.
55GF Score

Get the complete analysis for MEX:RUN

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

MXN172.30
Price
MXN265.02
GF Value