EXR vs PSA
As of Sep 20, 2026, Extra Space Storage (EXR) scores 4.9/10 and Public Storage (PSA) 5.0/10 on AlphaStocks' five-model composite, so PSA scores higher. EXR trades 20% above its model fair value; PSA trades 25% above its model fair value.
EXR
Extra Space Storage Inc.
4.9
Weak
$136.81
PSA
Public Storage
5.0
Consider Buy
$296.22
EXR vs PSA: Which is the Better Investment?
Extra Space Storage Inc. (EXR) scores 4.9/10 while Public Storage (PSA) scores 5.0/10 on AlphaStocks' composite model. Public Storage has the higher composite rating of Consider Buy. On a P/E basis, Public Storage trades at 29.2x, making it the more attractively priced of the two.
This comparison is algorithmically generated and is not financial advice.
| Metric | EXR | PSA |
|---|---|---|
| Scores & Fundamentals | ||
| Composite Score | 4.9/10 | 5.0/10▲ |
| Rating | Weak | Consider Buy▲ |
| Price | $136.81 | $296.22 |
| P/E Ratio | 29.8 | 29.2▲ |
| ROE | 7.2% | 19.2%▲ |
| Market Cap | $30B | $52B |
| Fair Value | $113.89 | $237.72 |
| Dividend Yield | 4.5% | — |
| Sector Rank | #47 of 104 | #46 of 104▲ |
| Model Verdicts | ||
| Piotroski | Neutral | Attractive▲ |
| Buffett | Attractive | Attractive |
| Graham | Attractive▲ | Neutral |
| Lynch | Caution | Caution |
| Greenblatt | Caution | Neutral▲ |
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EXR vs PSA: Which Stock Scores Higher?
Extra Space Storage Inc. (EXR) and Public Storage (PSA) are both in the Real Estate sector. PSA currently leads with a composite score of 5.0/10 (Consider Buy) compared to EXR's 4.9/10 (Weak).
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