SELF vs PSA vs EXR vs CUBE vs NSA

For growth investors, CubeSmart (CUBE) is the stronger pick with 5.

3% revenue growth year-over-year, versus -2. 3% for National Storage Affiliates Trust (NSA). CubeSmart (CUBE) offers the better valuation at 27. 6x trailing P/E (28. 6x forward), making it the more compelling value choice. Analysts rate Public Storage (PSA) a "Hold" — based on 36 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, CubeSmart (CUBE) is the cheapest at 27.

6x versus National Storage Affiliates Trust at 61. 9x. On forward P/E, CubeSmart is actually cheaper at 28. 6x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: CubeSmart wins at 2. 50x versus National Storage Affiliates Trust's 14. 50x.

Over the past 5 years, Global Self Storage, Inc.

(SELF) delivered a total return of +37. 6%, compared to +18. 0% for National Storage Affiliates Trust (NSA). Over 10 years, the gap is even starker: NSA returned +183. 7% versus PSA's +57. 4%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Global Self Storage, Inc.

(SELF) is the lower-risk stock at 0. 19β versus National Storage Affiliates Trust's 0. 81β — meaning NSA is approximately 336% more volatile than SELF relative to the S&P 500. On balance sheet safety, Global Self Storage, Inc. (SELF) carries a lower debt/equity ratio of 34% versus 2% for National Storage Affiliates Trust — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), CubeSmart (CUBE) is pulling ahead at 5.

3% versus -2. 3% for National Storage Affiliates Trust (NSA). On earnings-per-share growth, the picture is similar: Extra Space Storage Inc. grew EPS 13. 9% year-over-year, compared to -40. 7% for National Storage Affiliates Trust. Over a 3-year CAGR, EXR leads at 19. 8% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Public Storage (PSA) is the more profitable company, earning 37.

0% net margin versus 9. 8% for National Storage Affiliates Trust — meaning it keeps 37. 0% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: PSA leads at 46. 7% versus 20. 5% for SELF. At the gross margin level — before operating expenses — NSA leads at 46. 0%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, CubeSmart (CUBE) is the more undervalued stock at a PEG of 2. 50x versus National Storage Affiliates Trust's 14. 50x. Both stocks trade at elevated growth-adjusted valuations, so expected growth needs to materialise. On forward earnings alone, CubeSmart (CUBE) trades at 28. 6x forward P/E versus 83. 0x for National Storage Affiliates Trust — 54. 4x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for EXR: 4. 1% to $149. 13.

All stocks in this comparison pay dividends.

Global Self Storage, Inc. (SELF) offers the highest yield at 5. 4%, versus 4. 2% for Public Storage (PSA).

For long-horizon retirement investors, Global Self Storage, Inc.

(SELF) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 19), 5. 4% yield). Both have compounded well over 10 years (SELF: +67. 4%, NSA: +183. 7%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Real Estate sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.