MAIN vs. PSA
MAIN (Main Street Capital Corporation) and PSA (Public Storage) are both stocks. MAIN operates in Asset Management (Financial Services), while PSA operates in REIT - Industrial (Real Estate). Over the past 10 years, MAIN returned 13.19%/yr vs 7.31%/yr for PSA. At a 0.25 correlation, their price movements are largely independent.
Performance
MAIN vs. PSA - Performance Comparison
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Returns By Period
In the year-to-date period, MAIN achieves a -10.97% return, which is significantly lower than PSA's 26.88% return. Over the past 10 years, MAIN has outperformed PSA with an annualized return of 13.19%, while PSA has yielded a comparatively lower 7.31% annualized return.
MAIN
- 1D
- 0.54%
- 1M
- 3.14%
- YTD
- -10.97%
- 6M
- -12.92%
- 1Y
- -3.16%
- 3Y*
- 18.74%
- 5Y*
- 12.76%
- 10Y*
- 13.19%
PSA
- 1D
- 0.38%
- 1M
- 7.56%
- YTD
- 26.88%
- 6M
- 21.06%
- 1Y
- 14.03%
- 3Y*
- 8.56%
- 5Y*
- 6.47%
- 10Y*
- 7.31%
MAIN vs. PSA - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MAIN Main Street Capital Corporation | -10.97% | 10.74% | 47.30% | 28.22% | -11.37% | 48.31% | -19.54% | 36.88% | -8.27% | 16.62% |
PSA Public Storage | 26.88% | -9.69% | 2.09% | 13.60% | -20.20% | 66.63% | 12.69% | 8.96% | 0.62% | -2.89% |
Correlation
The correlation between MAIN and PSA is 0.14, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.14 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.23 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.27 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.22 |
Correlation (All Time) Calculated using the full available price history since Oct 9, 2007 | 0.25 |
The correlation between MAIN and PSA shifts across timeframes, from 0.14 (1 year) to 0.27 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
MAIN:
$4.72B
PSA:
$57.34B
MAIN:
$5.22
PSA:
$10.84
MAIN:
9.97
PSA:
30.08
MAIN:
1.14
PSA:
1.81
MAIN:
6.63
PSA:
11.80
MAIN:
1.52
PSA:
6.22
MAIN:
$704.17M
PSA:
$4.86B
MAIN:
$499.08M
PSA:
$2.95B
MAIN:
$396.90M
PSA:
$3.38B
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Return for Risk
MAIN vs. PSA — Risk / Return Rank
MAIN
PSA
MAIN vs. PSA - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Main Street Capital Corporation (MAIN) and Public Storage (PSA). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| MAIN | PSA | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.75 | ||
| Sortino ratioReturn per unit of downside risk | -1.03 | ||
| Omega ratioGain probability vs. loss probability | 0.99 | 1.11 | -0.12 |
| Calmar ratioReturn relative to maximum drawdown | -0.18 | 0.83 | -1.01 |
| Martin ratioReturn relative to average drawdown | -0.35 | 1.82 | -2.17 |
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Drawdowns
MAIN vs. PSA - Drawdown Comparison
The maximum MAIN drawdown since its inception was -64.53%, which is greater than PSA's maximum drawdown of -60.19%. Use the drawdown chart below to compare losses from any high point for MAIN and PSA.
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Drawdown Indicators
| MAIN | PSA | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -64.53% | -60.19% | -4.34% |
Max Drawdown (1Y)Largest decline over 1 year | -22.43% | -16.20% | -6.23% |
Max Drawdown (3Y)Largest decline over 3 years | -22.43% | -25.62% | +3.19% |
Max Drawdown (5Y)Largest decline over 5 years | -27.06% | -37.93% | +10.87% |
Max Drawdown (10Y)Largest decline over 10 years | -64.53% | -37.93% | -26.60% |
Current DrawdownCurrent decline from peak | -18.28% | -5.92% | -12.36% |
Average DrawdownAverage peak-to-trough decline | -7.31% | -15.77% | +8.46% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 11.18% | 7.37% | +3.81% |
Volatility
MAIN vs. PSA - Volatility Comparison
The current volatility for Main Street Capital Corporation (MAIN) is 5.82%, while Public Storage (PSA) has a volatility of 7.03%. This indicates that MAIN experiences smaller price fluctuations and is considered to be less risky than PSA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MAIN | PSA | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.82% | 7.03% | -1.21% |
Volatility (6M)Calculated over the trailing 6-month period | 20.12% | 17.72% | +2.40% |
Volatility (1Y)Calculated over the trailing 1-year period | 24.84% | 22.80% | +2.04% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.57% | 23.87% | -2.30% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 27.30% | 23.46% | +3.84% |
Dividends
MAIN vs. PSA - Dividend Comparison
MAIN's dividend yield for the trailing twelve months is around 8.25%, more than PSA's 2.76% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MAIN Main Street Capital Corporation | 8.25% | 7.00% | 7.02% | 8.55% | 7.97% | 5.74% | 6.99% | 6.76% | 8.43% | 7.49% | 7.42% | 9.15% |
PSA Public Storage | 2.76% | 4.62% | 4.01% | 3.93% | 7.55% | 2.14% | 3.46% | 3.76% | 3.95% | 3.83% | 3.27% | 2.62% |
Financials
MAIN vs. PSA - Financials Comparison
This section allows you to compare key financial metrics between Main Street Capital Corporation and Public Storage. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
MAIN vs. PSA - Profitability Comparison
MAIN - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Main Street Capital Corporation reported a gross profit of 0.00 and revenue of 140.11M. Therefore, the gross margin over that period was 0.0%.
PSA - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Public Storage reported a gross profit of 877.80M and revenue of 1.22B. Therefore, the gross margin over that period was 72.1%.
MAIN - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Main Street Capital Corporation reported an operating income of 0.00 and revenue of 140.11M, resulting in an operating margin of 0.0%.
PSA - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Public Storage reported an operating income of 474.28M and revenue of 1.22B, resulting in an operating margin of 39.0%.
MAIN - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Main Street Capital Corporation reported a net income of 90.82M and revenue of 140.11M, resulting in a net margin of 64.8%.
PSA - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Public Storage reported a net income of 529.38M and revenue of 1.22B, resulting in a net margin of 43.5%.
Frequently Asked Questions
MAIN and PSA have a correlation of 0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
PSA has higher volatility (7.03%) compared to MAIN (5.82%). In terms of maximum drawdown, MAIN dropped -64.53% vs PSA's -60.19%.
PSA currently has the higher Sharpe Ratio (0.59 vs -0.16), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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