SL Green Realty

SLGNYSEUSD

THESIS ALERT

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$49.72
−$0.49 (−0.98%)Today 1M +3.72%
After hours$48.36−2.74%

Updated Nov 11, 4:00 PM ET · Regular session · May be delayed

Source valuation snapshot. Not a live recalculation.
Latest filed annual earnings; price snapshot date unavailable. Not forward P/E.
Diluted earnings per share from the latest filed annual.
$50.21
Prior regular-session close from the quote source.
$49.62–$50.56
Regular-session low and high so far today.
559.3K
Regular-session shares traded · Nov 11, 4:00 PM ET.
Jan 28 projected
Projected for 2027-01-28 from the company’s own results filings (SEC 8-K Item 2.02). The company has not confirmed the date.
$34.77–$60.09
52-week trading low and high returned by the quote source.

Understand the Business

Why the Stock Moved

Period-matched expectations history is not yet available. Current metrics are not a substitute for a historical explanation.

The core investment thesis

Own SLG if SL Green extracts value by owning and actively managing a concentrated portfolio of Manhattan office trophy and repositioning assets that generate stable cash rents and upside from leasing / redevelopment, but the investment outcome.

SLG price history

Latest price$49.72Today−$0.49 (-0.98%)
SLG +2.72%S&P 500 -2.42%Since first plotted close
4 hours

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Investment thesis

What must happen next

4 MATERIAL PROPOSITIONS
  • SL Green's ability to maintain distributions and fund redevelopments depends on sustaining positive operating cash flow from its Manhattan office portfolio; operating_cash_flow is the primary early-warning metric for that driver.HoldingMateriality: High

    operating_cash_flow: 2023 = 229,503,000. If operating cash flow stays positive or improves, SLG can service debt, fund capex/repositioning, and avoid asset fire-sales; if it falls materially, dividend cuts, distressed refinancings or asset disposals become likely.

    Watch: large increases in Manhattan sublease availability or a cluster of tenant downsizings/credit failures reducing rent collections and renewals.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    operating_cash_flow: 2023 = 229,503,000.

    Open source ↗
  • The large swings in GAAP net income are driven more by non-cash valuation/impairment and mark-to-market items than by core cash operations; net_income divergence versus operating_cash_flow will continue to signal whether volatility is accounting-driven or operational.HoldingMateriality: High

    net_income: 2021 = 449,754,000. If net income volatility is mostly non-cash, investors can focus on cash returns and NOI; if volatility begins to reflect operating cash losses, the economic thesis (stable cash rents) is breaking.

    Watch: sustained drops in rent collections or same-property NOI that cause consecutive quarters of negative operating_cash_flow.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    net_income: 2021 = 449,754,000.

    Open source ↗
  • SLG's capacity to pursue value-creating redevelopments and to avoid forced asset sales depends on its balance-sheet flexibility and ability to refinance maturing liabilities; liabilities (and cash) are the leading evidence of that constraint.HoldingMateriality: Medium

    liabilities: 2023 = 5,270,704,000. If liabilities grow and refinancing becomes costly, management may be forced to sell assets at discounts or cut dividends; if SLG can refinance on acceptable terms, it preserves optionality to extract redevelopment value.

    Watch: a spike in interest rates or covenant breaches that materially increase refinancing costs.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    liabilities: 2023 = 5,270,704,000.

    Open source ↗
  • Reported revenue increases when the company successfully leases vacant space, raises rents on renewals, or completes monetizations from redevelopments — revenue is the lagging evidence of leasing/development success, so early signs come from leasing velocity and renewal spreads.StrengtheningMateriality: Medium

    revenue: 2024 = 886,272,000. Sustained revenue growth driven by higher occupancy and rents supports higher operating_cash_flow and valuation; conversely, stagnant or falling leasing metrics presage revenue deterioration and potential impairments.

    Watch: persistent tenant downsizing and increased sublease supply in Manhattan reducing net effective rents.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    revenue: 2024 = 886,272,000.

    Open source ↗
Full investment case & evidence

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Original research

SL Green's ability to maintain distributions and fund redevelopments depends on sustaining positive operating cash flow from its Manhattan office portfolio; operating_cash_flow is the primary early-warning metric for that driver. If operating cash flow stays positive or improves, SLG can service debt, fund capex/repositioning, and avoid asset fire-sales; if it falls materially, dividend cuts, distressed refinancings or asset disposals become likely.

The large swings in GAAP net income are driven more by non-cash valuation/impairment and mark-to-market items than by core cash operations; net_income divergence versus operating_cash_flow will continue to signal whether volatility is accounting-driven or operational. If net income volatility is mostly non-cash, investors can focus on cash returns and NOI; if volatility begins to reflect operating cash losses, the economic thesis (stable cash rents) is breaking.

SLG's capacity to pursue value-creating redevelopments and to avoid forced asset sales depends on its balance-sheet flexibility and ability to refinance maturing liabilities; liabilities (and cash) are the leading evidence of that constraint. If liabilities grow and refinancing becomes costly, management may be forced to sell assets at discounts or cut dividends; if SLG can refinance on acceptable terms, it preserves optionality to extract redevelopment value.

Reported revenue increases when the company successfully leases vacant space, raises rents on renewals, or completes monetizations from redevelopments — revenue is the lagging evidence of leasing/development success, so early signs come from leasing velocity and renewal spreads. Sustained revenue growth driven by higher occupancy and rents supports higher operating_cash_flow and valuation; conversely, stagnant or falling leasing metrics presage revenue deterioration and potential impairments.

All standing thesis claims
Original report summary

SL Green extracts value by owning and actively managing a concentrated portfolio of Manhattan office trophy and repositioning assets that generate stable cash rents and upside from leasing / redevelopment, but the investment outcome.

Evidence assessed Oct 12, 2026. Expand each conclusion for its evidence and what would change it. Thesis evidence—not a buy or sell recommendation.

Bull case and bear case

Bull case and bear case for SL Green Realty

Where the evidence on SL Green Realty stands: Holding on the latest evidence (Oct 12, 2026). Of its 4 thesis points, 1 strengthening and 3 holding.

Bull case: what the evidence supports

  • SL Green's ability to maintain distributions and fund redevelopments depends on sustaining positive operating cash flow from its Manhattan office portfolio; operating_cash_flow is the primary early-warning metric for that driver.

    sec.gov ↗

  • The large swings in GAAP net income are driven more by non-cash valuation/impairment and mark-to-market items than by core cash operations; net_income divergence versus operating_cash_flow will continue to signal whether volatility is accounting-driven or operational.

    sec.gov ↗

  • SLG's capacity to pursue value-creating redevelopments and to avoid forced asset sales depends on its balance-sheet flexibility and ability to refinance maturing liabilities; liabilities (and cash) are the leading evidence of that constraint.

    sec.gov ↗

  • Reported revenue increases when the company successfully leases vacant space, raises rents on renewals, or completes monetizations from redevelopments — revenue is the lagging evidence of leasing/development success, so early signs come from leasing velocity and renewal spreads.

    sec.gov ↗

Bear case: what would count against it

  • large increases in Manhattan sublease availability or a cluster of tenant downsizings/credit failures reducing rent collections and renewals.

    sec.gov ↗

  • sustained drops in rent collections or same-property NOI that cause consecutive quarters of negative operating_cash_flow.

    sec.gov ↗

  • a spike in interest rates or covenant breaches that materially increase refinancing costs.

    sec.gov ↗

Thesis-Break Engine

What has broken in SL Green Realty’s thesis

Each break OptimistFi flagged on SL Green Realty, dated — with what has historically followed the same kind of break across the market, not a forecast for SL Green Realty.

peers+14%-15%-1%12 mo agonow+6 mo
Daily price, then where similar breaks led across the market: the typical -1% path vs comparable companies over six months, inside the middle-half range (+14% to -15%). A base rate, not a forecast.
  • Price target fell below the stockcondition set before this filing

    Across all companies, this kind of break has happened 1,809 times before. Those stocks trailed comparable companies by a median of 1% over the next six months, and 33% of them trailed it by 10 points or more.

Several kinds of break have stacked on SL Green Realty at once. A cluster is a stronger read than any one signal alone.

How the Thesis-Break Engine works →Historical outcomes are measured against comparable companies after past breaks of the same kind, across all companies. Not a prediction.

MARKET + FINANCIAL SNAPSHOT

The numbers behind the thesis

Sourced from filings and market data

What Changed

  1. Mixed
    Reported results of operations (earnings release).

    Sl Green Realty filed an SEC 8-K on 2026-07-23: Reported results of operations (earnings release). It is a dated development that tests the current thesis.

  2. Mixed
    Reported results of operations (earnings release).

    Sl Green Realty filed an SEC 8-K on 2026-04-16: Reported results of operations (earnings release). It is a dated development that tests the current thesis.

Risks / falsifiers

What could break the thesis

  • large increases in Manhattan sublease availability or a cluster of tenant downsizings/credit failures reducing rent collections and renewals.
  • sustained drops in rent collections or same-property NOI that cause consecutive quarters of negative operating_cash_flow.
  • a spike in interest rates or covenant breaches that materially increase refinancing costs.
  • persistent tenant downsizing and increased sublease supply in Manhattan reducing net effective rents.

SLG news

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Financial statements

SLG income statement

Annual filed results · USD · Oldest to newest. Margins are calculated from the reported figures.

SLG: quick answers

When does SL Green Realty (SLG) report earnings next?
SL Green Realty's next results are projected for January 28, 2027, from the dates of its own results filings with the SEC. The company has not confirmed the date. It last reported on October 22, 2026. Earnings calendar
What is SLG's short interest?
As of October 30, 2026, 12.7M SLG shares were sold short, 17.9% of its shares outstanding, down 0.8% from the count before. At the stock's average daily volume that is 11 days to cover. FINRA publishes the count twice a month. SLG short interest history
Have members of Congress traded SLG?
8 trades in SLG have been disclosed under the STOCK Act by members of Congress, the President or senior officials, none in reports made public in the last 90 days. Every disclosed SLG trade
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