SL Green Realty Corp (SLG)

NYSE · Real Estate · REIT - Office · USA

SL Green Realty Corp is a mid cap company (market value between $2 billion and $10 billion) in the REIT - Office industry.

SL Green Realty Corp owns and operates commercial properties in the New York metropolitan area, predominantly office buildings in Manhattan, along with retail and residential assets. The company also engages in lending and preferred equity investments in its markets and provides management services for third-party properties.

From its FY2025 annual report (Form 10-K)

Intrinsic value, DCF valuation, financial health and value investing analysis for the SL Green Realty Corp stock.

Our verdict on SLG

Undervalued: intrinsic value $122.22 per share, market price $47.02, margin of safety 61.5% (as of 2026-10-20).

Discounting its cash flows at 11.2% (average of 2 methods) values the shares at $122.22; the price of $47.02 is 62% below that value, and 68% of that value comes from beyond year five.

Leak Score: 61/100 on 9 of 12 signals (Faint Leak).

ETFs with the most weight in SLG

17 more funds hold it; the full list is part of the paid plan.

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Is SLG undervalued or overvalued?

SLG is undervalued (as of the 2026-10-20 close). Discounting its cash flows at 11.2% (average of 2 methods) values the shares at $122.22; the price of $47.02 is 62% below that value, and 68% of that value comes from beyond year five.

What is the intrinsic value of SLG?

$122.22 per share (as of the 2026-10-20 close), against a market price of $47.02. That is a margin of safety of 61.5%. The value is the average of the valuation methods that apply to this company, recomputed every night after the US close.

What is SL Green Realty Corp's Leak Score?

61 out of 100, which we rate "Faint Leak", on 9 of 12 value investing signals.