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COPT Defense PropertiesCDP +0.40%69 Shiller PE Ratio is 33.88 as of Aug. 24, 2026, which is 27% below its 10-year median of 46.39. GuruFocus rates CDP with a GF Score™ of 69/100 and a GF Value™ of $29.24 (Modestly Overvalued). The stock has 11 warning signs investors should review. Among 477 REITs companies, COPT Defense Properties ranks worse than 87.42% on this metric.
The historical rank and industry rank for COPT Defense Properties's Shiller PE Ratio or its related term are showing as below:
CDP'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 20.28 Med: 46.39 Max: 104.53
Current: 33.9
During the past years, COPT Defense Properties's highest Shiller PE Ratio was 104.53. The lowest was 20.28. And the median was 46.39.
CDP's Shiller PE Ratio is ranked worse than 87.42% of 477
companies
in the REITs industry
Industry Median: 13.57
vs CDP: 33.90
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.
COPT Defense Properties's adjusted earnings per share data for the three months ended in Jun. 2026 was $0.400. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $1.10 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
COPT Defense Properties (NYSE:CDP) Shiller PE Ratio Explanation
Compared with the regular PE Ratio, which works poorly for cyclical businesses, the Shiller PE Ratio smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Shiller PE Ratio should give similar results to regular PE Ratio.
Compared with the PS Ratio, the Shiller PE Ratio makes the comparison between different industries more meaningful.
Be Aware
Shiller PE Ratio assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, Shiller PE Ratio and PS Ratio will give false valuations.
COPT Defense Properties Shiller PE Ratio Related Terms
COPT Defense Properties Shiller PE Ratio Historical Data
* 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.
For the REIT - Office subindustry, COPT Defense Properties'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.
COPT Defense Properties Shiller PE Ratio vs REITs Industry
For the REITs industry and Real Estate sector, COPT Defense Properties's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where COPT Defense Properties's Shiller PE Ratio falls into.
COPT Defense Properties Shiller PE Ratio Calculation
For Shiller PE Ratio, 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 PE Ratio is also called PE10.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.
* 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.
Add all the adjusted EPS together and divide 10 will get our 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.
COPT Defense Properties (CDP) has a Shiller PE Ratio of 33.88 as of Aug. 24, 2026. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on COPT Defense Properties and its competitors. This is 27% below median its historical median of 46.39. Over the past decade, COPT Defense Properties' Shiller PE Ratio has ranged from 20.28 to 104.53. According to the industry distribution chart, COPT Defense Properties ranks #417 out of 477 companies in the REITs industry, placing it in the top 87.4%.
Is COPT Defense Properties' Shiller PE Ratio too high?
COPT Defense Properties' current Shiller PE Ratio of 33.88 is 27% below median its 10-year median of 46.39. Over the past 10 years, this metric has ranged from a low of 20.28 to a high of 104.53. The REITs industry median Shiller PE Ratio is 13.57. COPT Defense Properties' value of 33.88 is 149.7% above this industry median. Based on the distribution chart, COPT Defense Properties ranks #417 out of 477 companies in the REITs industry, which is in the bottom quartile relative to peers. Overall, COPT Defense Properties has a GF Score™ of 69/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does COPT Defense Properties' Shiller PE Ratio compare to KRC and SLG?
According to the REITs industry distribution chart, COPT Defense Properties ranks #417 out of 477 companies for Shiller PE Ratio. This places COPT Defense Properties in the lower half of its industry. The industry median Shiller PE Ratio is 13.57. COPT Defense Properties' value of 33.88 is 149.7% above this benchmark. Historically, COPT Defense Properties' own Shiller PE Ratio has ranged from 20.28 to 104.53 over the past decade. While the company's 10-year median is 46.39 vs. the industry median of 13.57, COPT Defense Properties has consistently been above 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 Shiller PE Ratio for a REITs company?
The median Shiller PE Ratio among REITs companies is 13.57, based on 477 companies in the industry. Companies in the top quartile (top 25%) have a Shiller PE Ratio significantly above this median, while those in the bottom quartile fall well below. However, Shiller PE Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. COPT Defense Properties's current Shiller PE Ratio of 33.88 is 149.7% above 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 Shiller PE Ratio mean?
A high Shiller PE Ratio can signal that a stock is expensive relative to its fundamentals. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on COPT Defense Properties and its competitors. For the REITs industry, the median Shiller PE Ratio is 13.57 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. COPT Defense Properties's current Shiller PE Ratio is 33.88, which is 27% below median its own 10-year median of 46.39. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is COPT Defense Properties stock overvalued right now?
Based on GuruFocus' analysis, COPT Defense Properties (CDP) is currently considered Modestly Overvalued. The stock's GF Value™ is $29.24, compared to a current price of $37.27 — trading 27.5% above its estimated fair value. The current Shiller PE Ratio is 33.88, which is 27% below median its 10-year median of 46.39 and 149.7% above the REITs industry median of 13.57. COPT Defense Properties' overall GF Score™ is 69/100 with 11 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shiller PE Ratio calculated?
Shiller PE Ratio is calculated from a company's financial statements. For COPT Defense Properties (CDP), the current Shiller PE Ratio is 33.88 as of Aug. 24, 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 COPT Defense Properties (CDP) Overvalued in 2026?
Based on GuruFocus' analysis, COPT Defense Properties stock appears to be overvalued.
The current stock price of $37.27 is trading 27.5% above its estimated GF Value™ of $29.24.
GuruFocus considers COPT Defense Properties to be Modestly Overvalued.
Key valuation signals for CDP:
Shiller PE Ratio: 33.88 (27% below median its 10-year median of 46.39)
GF Value™: $29.24 vs. price of $37.27 (27.5% above fair value)
Industry Position: 149.7% above the REITs median (#417 of 477)
No single metric tells the full story. See the CDP stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
COPT Defense Properties is a fully-integrated and self-managed real estate investment trust (REIT) focused on owning, operating and developing properties in locations proximate to, or sometimes containing, key U.S. Government (USG) defense installations and missions. The company has two reportable segments: Defense/IT Portfolio; and Other. Defense/IT Portfolio includes sub-segments such as: Fort George G. Meade and the Baltimore/Washington Corridor (Fort Meade/BW Corridor); Redstone Arsenal in Huntsville, Alabama; Northern Virginia Defense/IT Locations (NoVA Defense/IT); Lackland Air Force Base in San Antonio, Texas; locations serving the U.S. Navy (Navy Support); and data center shells in Northern Virginia.
69GF Score
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