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SL Green RealtySLG +1.18%55 Shiller PE Ratio is 58.48 as of Sep. 08, 2026, which is 130% above its 10-year median of 25.43. GuruFocus rates SLG with a GF Score™ of 55/100 and a GF Value™ of $48.98 (Modestly Overvalued). The stock has 12 warning signs investors should review. Among 476 REITs companies, SL Green Realty ranks worse than 94.33% on this metric.
As of today (2026-09-08), SL Green Realty's current share price is $55.56. SL Green Realty's E10 for the quarter that ended in Jun. 2026 was $0.95. SL Green Realty's Shiller PE Ratio for today is 58.48.
The historical rank and industry rank for SL Green Realty's Shiller PE Ratio or its related term are showing as below:
SLG'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 6.07 Med: 25.43 Max: 60.57
Current: 58.5
During the past years, SL Green Realty's highest Shiller PE Ratio was 60.57. The lowest was 6.07. And the median was 25.43.
SLG's Shiller PE Ratio is ranked worse than 94.33% of 476
companies
in the REITs industry
Industry Median: 13.11
vs SLG: 58.50
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.
SL Green Realty's adjusted earnings per share data for the three months ended in Jun. 2026 was $-0.380. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $0.95 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
SL Green Realty (NYSE:SLG) 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.
SL Green Realty Shiller PE Ratio Related Terms
SL Green Realty Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for SL Green Realty's Shiller PE 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.
For the REIT - Office subindustry, SL Green Realty'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.
SL Green Realty Shiller PE Ratio vs REITs Industry
For the REITs industry and Real Estate sector, SL Green Realty's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where SL Green Realty's Shiller PE Ratio falls into.
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.
SL Green Realty's Shiller PE Ratio for today is calculated as
* 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.
SL Green Realty's E10 for the quarter that ended in Jun. 2026 is calculated as:
For example, SL Green Realty's adjusted earnings per share data for the three months ended in Jun. 2026 was:
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.
SL Green Realty (SLG) has a Shiller PE Ratio of 58.48 as of Sep. 08, 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 SL Green Realty and its competitors. This is 130% above median its historical median of 25.43. Over the past decade, SL Green Realty's Shiller PE Ratio has ranged from 6.07 to 60.57. According to the industry distribution chart, SL Green Realty ranks #449 out of 476 companies in the REITs industry, placing it in the top 94.3%.
Is SL Green Realty's Shiller PE Ratio too high?
SL Green Realty's current Shiller PE Ratio of 58.48 is 130% above median its 10-year median of 25.43. Over the past 10 years, this metric has ranged from a low of 6.07 to a high of 60.57. The REITs industry median Shiller PE Ratio is 13.11. SL Green Realty's value of 58.48 is 346.1% above this industry median. Based on the distribution chart, SL Green Realty ranks #449 out of 476 companies in the REITs industry, which is in the bottom quartile relative to peers. Overall, SL Green Realty has a GF Score™ of 55/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does SL Green Realty's Shiller PE Ratio compare to CDP and KRC?
According to the REITs industry distribution chart, SL Green Realty ranks #449 out of 476 companies for Shiller PE Ratio. This places SL Green Realty in the lower half of its industry. The industry median Shiller PE Ratio is 13.11. SL Green Realty's value of 58.48 is 346.1% above this benchmark. Historically, SL Green Realty's own Shiller PE Ratio has ranged from 6.07 to 60.57 over the past decade. While the company's 10-year median is 25.43 vs. the industry median of 13.11, SL Green Realty 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 13.11, based on 476 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. SL Green Realty's current Shiller PE Ratio of 58.48 is 346.1% 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 SL Green Realty and its competitors. For the REITs industry, the median Shiller PE Ratio is 13.11 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. SL Green Realty's current Shiller PE Ratio is 58.48, which is 130% above median its own 10-year median of 25.43. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is SL Green Realty stock overvalued right now?
Based on GuruFocus' analysis, SL Green Realty (SLG) is currently considered Modestly Overvalued. The stock's GF Value™ is $48.98, compared to a current price of $55.56 — trading 13.4% above its estimated fair value. The current Shiller PE Ratio is 58.48, which is 130% above median its 10-year median of 25.43 and 346.1% above the REITs industry median of 13.11. SL Green Realty's overall GF Score™ is 55/100 with 12 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 SL Green Realty (SLG), the current Shiller PE Ratio is 58.48 as of Sep. 08, 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 SL Green Realty (SLG) Overvalued in 2026?
Based on GuruFocus' analysis, SL Green Realty stock appears to be overvalued.
The current stock price of $55.56 is trading 13.4% above its estimated GF Value™ of $48.98.
GuruFocus considers SL Green Realty to be Modestly Overvalued.
Key valuation signals for SLG:
Shiller PE Ratio: 58.48 (130% above median its 10-year median of 25.43)
GF Value™: $48.98 vs. price of $55.56 (13.4% above fair value)
Industry Position: 346.1% above the REITs median (#449 of 476)
No single metric tells the full story. See the SLG stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
SL Green Realty is one of the largest Manhattan property owners and landlords, with interest in around 31.4 million square feet of wholly owned and joint-venture office space. The company has additional property exposure through its limited portfolio of well-located retail space. It operates as a real estate investment trust.
55GF Score
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