PSA vs SLG
As of Sep 20, 2026, Public Storage (PSA) scores 5.0/10 and SL Green Realty (SLG) 7.5/10 on AlphaStocks' five-model composite, so SLG scores higher. PSA trades 25% above its model fair value; SLG trades 34% below its model fair value.
PSA
Public Storage
5.0
Consider Buy
$296.22
SLG
SL GREEN REALTY CORP
7.5
Strong Buy
$52.09
PSA vs SLG: Which is the Better Investment?
Public Storage (PSA) scores 5.0/10 while SL GREEN REALTY CORP (SLG) scores 7.5/10 on AlphaStocks' composite model. SL GREEN REALTY CORP has the higher composite rating of Strong Buy. SL GREEN REALTY CORP trades further below its estimated fair value.
This comparison is algorithmically generated and is not financial advice.
| Metric | PSA | SLG |
|---|---|---|
| Scores & Fundamentals | ||
| Composite Score | 5.0/10 | 7.5/10▲ |
| Rating | Consider Buy | Strong Buy▲ |
| Price | $296.22 | $52.09 |
| P/E Ratio | 29.2 | — |
| ROE | 19.2%▲ | -2.8% |
| Market Cap | $52B | $4B |
| Fair Value | $237.72 | $79.20 |
| Dividend Yield | — | 7.1% |
| Sector Rank | #46 of 104 | #2 of 104▲ |
| Model Verdicts | ||
| Piotroski | Attractive▲ | Neutral |
| Buffett | Attractive | Attractive |
| Graham | Neutral | Strong▲ |
| Lynch | Caution▲ | Limited Data |
| Greenblatt | Neutral▲ | Caution |
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PSA vs SLG: Which Stock Scores Higher?
Public Storage (PSA) and SL GREEN REALTY CORP (SLG) are both in the Real Estate sector. SLG currently leads with a composite score of 7.5/10 (Strong Buy) compared to PSA's 5.0/10 (Consider Buy).
The AlphaStocks composite score evaluates each stock across four dimensions: Quality (business strength measured by Piotroski F-Score and Buffett quality criteria), Value (discount to intrinsic worth using Graham, Lynch, and Greenblatt models), Momentum (6-month price trend), and Timing (a confirmation signal that requires both value and momentum to align). A higher composite score indicates stronger overall fundamentals combined with favorable market conditions.
This comparison uses the same scoring framework for both companies, ensuring an apples-to-apples evaluation. Scores are recalculated daily after market close using data from SEC filings and market prices. Read the full methodology to understand how each model contributes to the composite score.
Scores are algorithm-generated research tools, not investment recommendations. Past performance does not guarantee future results. Always do your own due diligence. Full disclaimer