SL Green Realty might be on your radar if you are asking whether the recent share price offers good value or if risks are already priced in.

The stock last closed at US$47.83, with returns of 5.4% over the past week, 7.0% over the past month, 1.9% year to date, while being down 22.2% over the past year and 19.6% over the past five years, and up 111.2% over the past three years.

Recent headlines around Office REITs and broader commercial real estate have kept attention on balance sheets, leasing trends and interest rate sensitivity. All of these factors influence how investors interpret SL Green Realty's share price moves. Evergreen interest in income producing property stocks also keeps SL Green Realty in focus for readers comparing it with other income and value ideas.

On Simply Wall St's valuation framework, SL Green Realty scores 0 out of 6 on the undervaluation checks. The rest of this article will walk through what different valuation methods say about the stock and point to an even deeper way of thinking about value at the end.

SL Green Realty scores just 0/6 on our valuation checks. See what other red flags we found in the full valuation breakdown.

Approach 1: SL Green Realty Discounted Cash Flow (DCF) Analysis

The DCF model here projects SL Green Realty's adjusted funds from operations into the future and discounts those cash flows back to today, aiming to estimate what the stock could be worth based on its cash generation.

SL Green Realty's latest twelve month free cash flow is reported at $275.547 million. Analysts provide explicit free cash flow estimates out to 2030, with Simply Wall St extending the projections further using its own assumptions. By 2035, the extrapolated annual free cash flow estimate sits at $291.410 million, based on the two stage Free Cash Flow to Equity model using adjusted funds from operations.

Bringing all those projected cash flows back to today's terms gives an estimated intrinsic value of $47.46 per share, compared with the recent share price of $47.83. On this framework, the stock screens as about 0.8% overvalued. This is a very small gap and suggests the market price is broadly aligned with this particular cash flow model.

Result: ABOUT RIGHT

SL Green Realty is fairly valued according to our Discounted Cash Flow (DCF), but this can change at a moment's notice. Track the value in your watchlist or portfolio and be alerted on when to act.

Approach 2: SL Green Realty Price vs Sales

For a real estate company where earnings can be affected by non cash charges, the P/S ratio is a useful way to look at how much investors are paying for each dollar of revenue. It sidesteps some of the accounting noise that can affect profit based multiples for property stocks.

In general, higher growth expectations and lower perceived risk can support a higher “normal” P/S multiple. Slower growth or higher risk, on the other hand, tend to justify a lower multiple. That is why simple comparisons often only tell part of the story.

SL Green Realty currently trades on a P/S of 3.63x, compared with the Office REITs industry average of 2.03x and a peer average of 3.59x. Simply Wall St also calculates a proprietary Fair Ratio of 2.79x for SL Green Realty. This Fair Ratio reflects factors such as earnings growth, profit margins, industry characteristics, market cap and specific risks, which makes it more tailored than a straight comparison with peers or industry averages.

Comparing the current 3.63x P/S with the Fair Ratio of 2.79x suggests the stock is trading above what this model would indicate as fair.

Result: OVERVALUED

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Upgrade Your Decision Making: Choose your SL Green Realty Narrative

Earlier the article mentioned that there is an even better way to understand valuation, so this is where Narratives come in, giving you a simple story that ties your view on SL Green Realty to numbers like future revenue, earnings, margins and a fair value per share.

A Narrative is your explanation of what you think is really happening with a company, linked directly to a financial forecast and a fair value estimate, so you are not just looking at ratios in isolation but at a joined up story plus numbers.

On Simply Wall St's Community page, Narratives are available as an easy to use tool that many investors already rely on. They can help you compare your own fair value for SL Green Realty with the current market price and decide whether the stock looks expensive or cheap to you without needing complex spreadsheets.

Narratives update automatically when new information like earnings or news is added, so your story and fair value move with the data. You can see how different viewpoints line up, such as a more cautious Narrative with a fair value of US$36.00 and a more optimistic Narrative with a fair value of about US$63.56 for SL Green Realty.

For SL Green Realty however we'll make it really easy for you with previews of two leading SL Green Realty Narratives:

First is a bullish SL Green Realty view that leans into leasing progress, capital recycling and optionality from projects like a potential Times Square casino and the SUMMIT experiential platform.

This is followed by a more cautious SL Green Realty view that focuses on office demand risks, refinancing needs and the cost of keeping assets competitive in a changing tenant market.

Both are built from the same building blocks, things like forecast revenue, margins, discount rates and P/E multiples, but they arrive at very different fair values. This helps you see the trade offs more clearly.

Fair value in this bullish Narrative: US$63.56 per share.

At the recent price of US$47.83, that implies SL Green Realty trades about 24.7% below this Narrative fair value.

Revenue trend assumption in this view: revenue is expected to decline about 4.3% a year.

• Expects recurring profits from distress cycles, debt investments and special servicing to support funds from operations and earnings ahead of current expectations.
• Assumes solid tenant demand for high quality Manhattan offices, including AI and tech requirements, plus potential upside from the Times Square casino concept and the SUMMIT style experiential platform.
• Builds to a fair value of US$63.56 using a 9.19% discount rate, improved margins toward Office REITs averages and a high future P/E multiple to reflect the bullish analyst cohort.

Fair value in this bearish Narrative: US$36.00 per share.

At the recent price of US$47.83, that implies SL Green Realty trades about 32.9% above this Narrative fair value.

Revenue trend assumption in this view: revenue is expected to decline about 12.7% a year.

• Centers on the risk that remote and hybrid work, potential urban outmigration and oversupply keep Manhattan office vacancies elevated and pressure effective rents.
• Highlights refinancing and ESG upgrade costs as headwinds for margins and financial flexibility, given a concentrated Manhattan office footprint and sizeable debt burden.
• Builds to a fair value of US$36.00 using a 9.25% discount rate, weaker revenue and margin assumptions and a very high implied future P/E that reflects concern the stock already prices in too much recovery.

Taken together, these two Narratives give you a clear valuation range and a checklist of what needs to go right or wrong for each case, so you can decide which story feels closer to how you see SL Green Realty today.

To see how other investors frame the same facts, and how their fair values compare with yours, it is worth scanning the broader set of Narratives and keeping track of how they change when new data comes through, using tools that surface those shifts in one place, such as the To see how these results tie into long-term growth, risks, and valuation, check out the full range of community narratives for SL Green Realty on Simply Wall St. Add the company to your watchlist or portfolio so you'll be alerted when the story evolves.

Do you think there's more to the story for SL Green Realty? Head over to our Community to see what others are saying!

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.