SLG (SL Green Realty) GF Score: 56/100 (As of Jul. 11, 2026) — 23% Below Median


SLG SL Green Realty Corp SLG
56 GF Score
Price $48.68
GF Value $47.15
Valuation Fairly Valued
! 11 Warning Signs
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What is SL Green Realty GF Score?

SL Green Realty SLG +0.72% 56 GF Score is 56 as of Jul. 11, 2026, which is 23% below its 10-year median of 73.00. GuruFocus rates SLG with a GF Score™ of 56/100 and a GF Value™ of $47.15 (Fairly Valued). The stock has 11 warning signs investors should review.

SL Green Realty has the GF Score of 56, which implies that the company might have Poor future performance potential.

The GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation, which has been found to be closely correlated to the long-term performances of stocks by backtesting from 2006 to 2021. The stocks with a higher GF Score generally generate higher returns than those with lower GF Scores. Therefore, when picking stocks, investors should invest in companies with high GF Scores. The GF Score ranges from 0 to 100, with 100 as the highest rank.

GF Score takes following five key aspects into consideration:

1. Financial Strength : 3/10
2. Profitability Rank : 4/10
3. Growth Rank : 0/10
4. GF Value Rank : 7/10
5. Momentum Rank : 7/10

Each one of these components is ranked and the ranks also have positive correlation with the long term performances of stocks. The GF score is calculated using the five key aspects of analysis. Through backtesting, we know that each of these key aspects has a different impact on the stock price performance. Thus, they are weighted differently when calculating the total score. The Profitability Rank and the Growth Rank are weighted fully, while other parameters have less weight.

Based on research and backtesting result, GuruFocus believes SL Green Realty might have Poor future performance potential.

Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.

SL Green Realty  (NYSE:SLG) GF Score Explanation

Based on the historical long-term performances among five valuation aspects, the GF Score is found to be closely correlated to the long-term performances of stocks. It ranges from 0 to 100, with 100 as the highest. GuruFocus divided GF Score into following 5 categories:

GF Score Performance Potential and All-in-One Screener Examples (1)
91 - 100Highest outperformance potential
81 - 90Good outperformance potential
71 - 80Likely to have average performance
51 - 70Poor future performance potential
0 - 50Worst future performance potential, or not enough data

(1) These are some simple examples. You can access our GF Score filter under All-in-One Screener’s Fundamental tab.

SL Green Realty GF Score Related Terms

SLG vs CDP, HIW, KRC: GF Score Comparison

For the REIT - Office subindustry, SL Green Realty's GF Score, along with its competitors' market caps and GF Score 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 GF Score vs REITs Industry

For the REITs industry and Real Estate sector, SL Green Realty's GF Score distribution charts can be found below:

* The bar in red indicates where SL Green Realty's GF Score falls into.


SLG
56GF Score
SL Green Realty Corp SLG
GF Score is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about GF Score →
What does a GF Score of 56 mean?
SL Green Realty (SLG) has a GF Score of 56 as of Jul. 11, 2026. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on SL Green Realty and its competitors. This is 23% below median its historical median of 73.00. Over the past decade, SL Green Realty's GF Score has ranged from 53.00 to 83.00.
Is SL Green Realty's GF Score too high?
SL Green Realty's current GF Score of 56 is 23% below median its 10-year median of 73.00. Over the past 10 years, this metric has ranged from a low of 53.00 to a high of 83.00. Overall, SL Green Realty has a GF Score™ of 56/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does SL Green Realty's GF Score compare to CDP and HIW?
SL Green Realty's GF Score of 56 can be compared against companies in the REITs industry. Historically, SL Green Realty's own GF Score has ranged from 53.00 to 83.00 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 GF Score for a REITs company?
A good GF Score depends on the REITs industry context. However, GF Score 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 GF Score mean?
A high GF Score can signal that a stock is expensive relative to its fundamentals. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on SL Green Realty and its competitors. SL Green Realty's current GF Score is 56, which is 23% below median its own 10-year median of 73.00. 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 Fairly Valued. The stock's GF Value™ is $47.15, compared to a current price of $48.68 — trading 3.2% above its estimated fair value. The current GF Score is 56, which is 23% below median its 10-year median of 73.00. SL Green Realty's overall GF Score™ is 56/100 with 11 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is GF Score calculated?
GF Score is calculated from a company's financial statements. For SL Green Realty (SLG), the current GF Score is 56 as of Jul. 11, 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 $48.68 is trading 3.2% above its estimated GF Value™ of $47.15. GuruFocus considers SL Green Realty to be Fairly Valued.

Key valuation signals for SLG:

  • GF Score: 56 (23% below median its 10-year median of 73.00)
  • GF Value™: $47.15 vs. price of $48.68 (3.2% above fair value)
  • GF Score™: 56/100 with 11 warning signs

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 Business Description

Industry Real EstateREITs
Address One Vanderbilt Avenue, New York, NY, USA, 10017
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.
56GF Score

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

$48.68
Price
$47.15
GF Value