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Extra Space StorageMEX:EXR 92 3-Year Book Growth Rate is 37.70% as of Jun. 2026, which is 403% above its 10-year median of 7.50. GuruFocus rates MEX:EXR with a GF Score™ of 92/100 and a GF Value™ of MXN2,744.99. The stock has 7 warning signs investors should review. Among 825 REITs companies, Extra Space Storage ranks better than 96% on this metric.
During the past 12 months, Extra Space Storage's average Book Value per Share Growth Rate was -3.40% per year.
During the past 3 years, the average Book Value per Share Growth Rate was 37.70% per year.
During the past 5 years, the average Book Value per Share Growth Rate was 33.40% per year.
During the past 10 years, the average Book Value per Share Growth Rate was 16.10% 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 average Book Value per Share growth rate.
During the past 13 years, the highest 3-Year average Book Value per Share Growth Rate of Extra Space Storage was 143.30% per year. The lowest was 0.60% per year. And the median was 7.50% per year.
Extra Space Storage (MEX:EXR) 3-Year Book Growth Rate Explanation
Book Value per Share is the ratio of equity available to common shareholders divided by the shares outstanding. Book value per share effectively indicates a firm's net asset value on a per-share basis. It can be used by investors to gauge whether a stock price is undervalued by comparing it to the firm's market value per share. Theoretically, it is what the shareholders will receive if the company is liquidated.
Extra Space Storage 3-Year Book Growth Rate Related Terms
MEX:EXR vs EGP, CUBE, LINE: 3-Year Book Growth Rate Comparison
For the REIT - Industrial subindustry, Extra Space Storage's 3-Year Book Growth Rate, along with its competitors' market caps and 3-Year Book Growth Rate 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.
Extra Space Storage 3-Year Book Growth Rate vs REITs Industry
For the REITs industry and Real Estate sector, Extra Space Storage's 3-Year Book Growth Rate distribution charts can be found below:
* The bar in red indicates where Extra Space Storage's 3-Year Book Growth Rate falls into.
Extra Space Storage 3-Year Book Growth Rate Calculation
This is the 3-year average growth rate of Book Value per Share. The growth rate is calculated using exponential compounding based on the latest four year annual data.
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 average Book Value per Share growth rate.
What does a 3-Year Book Growth Rate of 37.70% mean?
Extra Space Storage (MEX:EXR) has a 3-Year Book Growth Rate of 37.70% as of Jun. 2026. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Extra Space Storage and its competitors. This is 403% above median its historical median of 7.50. Over the past decade, Extra Space Storage's 3-Year Book Growth Rate has ranged from 0.60 to 143.30. According to the industry distribution chart, Extra Space Storage ranks #33 out of 825 companies in the REITs industry, placing it in the top 4%.
Is Extra Space Storage's 3-Year Book Growth Rate too high?
Extra Space Storage's current 3-Year Book Growth Rate of 37.70% is 403% above median its 10-year median of 7.50. Over the past 10 years, this metric has ranged from a low of 0.60 to a high of 143.30. Based on the distribution chart, Extra Space Storage ranks #33 out of 825 companies in the REITs industry, which is in the top quartile — a strong position relative to peers. Overall, Extra Space Storage has a GF Score™ of 92/100, reflecting its overall financial health beyond just this single metric.
How does Extra Space Storage's 3-Year Book Growth Rate compare to EGP and CUBE?
According to the REITs industry distribution chart, Extra Space Storage ranks #33 out of 825 companies for 3-Year Book Growth Rate. This places Extra Space Storage in the top 4% of its industry — outperforming the majority of peers. Historically, Extra Space Storage's own 3-Year Book Growth Rate has ranged from 0.60 to 143.30 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Book Growth Rate for a REITs company?
A good 3-Year Book Growth Rate depends on the REITs industry context. However, 3-Year Book Growth Rate 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 3-Year Book Growth Rate mean?
A high 3-Year Book Growth Rate can signal that a stock is expensive relative to its fundamentals. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Extra Space Storage and its competitors. Extra Space Storage's current 3-Year Book Growth Rate is 37.70%, which is 403% above median its own 10-year median of 7.50. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Extra Space Storage stock overvalued right now?
Extra Space Storage (MEX:EXR) has a current 3-Year Book Growth Rate of 37.70%. The stock's GF Value™ is MXN2,744.99, compared to a current price of MXN2,608.00 — trading 5% below its estimated fair value. The current 3-Year Book Growth Rate is 37.70%, which is 403% above median its 10-year median of 7.50. Extra Space Storage's overall GF Score™ is 92/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Book Growth Rate calculated?
3-Year Book Growth Rate is calculated from a company's financial statements. For Extra Space Storage (MEX:EXR), the current 3-Year Book Growth Rate is 37.70% 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 Extra Space Storage (MEX:EXR) Overvalued in 2026?
Based on GuruFocus' analysis, Extra Space Storage stock appears to be undervalued.
The current stock price of MXN2,608.00 is trading 5% below its estimated GF Value™ of MXN2,744.99.
Key valuation signals for MEX:EXR:
3-Year Book Growth Rate: 37.70% (403% above median its 10-year median of 7.50)
GF Value™: MXN2,744.99 vs. price of MXN2,608.00 (5% below fair value)
No single metric tells the full story. See the MEX:EXR stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Extra Space Storage is a fully integrated real estate investment trust that owns, operates, and manages more than 4,200 self-storage properties in 43 states, with over 330 million net rentable square feet of storage space. Of these properties, approximately one half is wholly owned, while some facilities are owned through joint ventures and others are owned by third parties and managed by Extra Space Storage in exchange for a management fee.
92GF Score
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