PSA vs. ECL
PSA (Public Storage) and ECL (Ecolab Inc.) are both stocks. PSA operates in REIT - Industrial (Real Estate), while ECL operates in Specialty Chemicals (Basic Materials). Over the past 10 years, PSA returned 7.31%/yr vs 9.50%/yr for ECL. At a 0.27 correlation, their price movements are largely independent.
Performance
PSA vs. ECL - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, PSA achieves a 26.88% return, which is significantly higher than ECL's 1.37% return. Over the past 10 years, PSA has underperformed ECL with an annualized return of 7.31%, while ECL has yielded a comparatively higher 9.50% annualized return.
PSA
- 1D
- 0.38%
- 1M
- 11.44%
- YTD
- 26.88%
- 6M
- 21.06%
- 1Y
- 14.03%
- 3Y*
- 8.56%
- 5Y*
- 6.47%
- 10Y*
- 7.31%
ECL
- 1D
- 0.68%
- 1M
- 7.18%
- YTD
- 1.37%
- 6M
- 1.24%
- 1Y
- 1.50%
- 3Y*
- 14.71%
- 5Y*
- 5.51%
- 10Y*
- 9.50%
PSA vs. ECL - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PSA Public Storage | 26.88% | -9.69% | 2.09% | 13.60% | -20.20% | 66.63% | 12.69% | 8.96% | 0.62% | -2.89% |
ECL Ecolab Inc. | 1.37% | 13.19% | 19.29% | 37.94% | -37.10% | 9.38% | 13.17% | 32.26% | 11.07% | 15.80% |
Correlation
The correlation between PSA and ECL is 0.44, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.44 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.45 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.43 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.34 |
Correlation (All Time) Calculated using the full available price history since Jan 5, 1988 | 0.27 |
The correlation between PSA and ECL shifts across timeframes, from 0.27 (all time) to 0.45 (3 years), reflecting how their relationship changes across market environments.
Fundamentals
PSA:
$57.34B
ECL:
$75.30B
PSA:
$10.84
ECL:
$7.40
PSA:
30.08
ECL:
35.88
PSA:
1.81
ECL:
1.90
PSA:
11.80
ECL:
4.59
PSA:
6.22
ECL:
7.53
PSA:
$4.86B
ECL:
$16.45B
PSA:
$2.95B
ECL:
$7.29B
PSA:
$3.38B
ECL:
$3.28B
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
PSA vs. ECL — Risk / Return Rank
PSA
ECL
PSA vs. ECL - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Public Storage (PSA) and Ecolab Inc. (ECL). 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.
| PSA | ECL | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.64 | ||
| Sortino ratioReturn per unit of downside risk | +0.90 | ||
| Omega ratioGain probability vs. loss probability | 1.11 | 1.01 | +0.11 |
| Calmar ratioReturn relative to maximum drawdown | 0.83 | -0.05 | +0.88 |
| Martin ratioReturn relative to average drawdown | 1.82 | -0.12 | +1.94 |
Loading charts...
Drawdowns
PSA vs. ECL - Drawdown Comparison
The maximum PSA drawdown since its inception was -60.19%, which is greater than ECL's maximum drawdown of -47.19%. Use the drawdown chart below to compare losses from any high point for PSA and ECL.
Loading charts...
Drawdown Indicators
| PSA | ECL | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -60.19% | -47.19% | -13.00% |
Max Drawdown (1Y)Largest decline over 1 year | -16.20% | -20.09% | +3.89% |
Max Drawdown (3Y)Largest decline over 3 years | -25.62% | -20.09% | -5.53% |
Max Drawdown (5Y)Largest decline over 5 years | -37.93% | -43.70% | +5.77% |
Max Drawdown (10Y)Largest decline over 10 years | -37.93% | -43.70% | +5.77% |
Current DrawdownCurrent decline from peak | -5.92% | -13.70% | +7.78% |
Average DrawdownAverage peak-to-trough decline | -15.77% | -7.98% | -7.79% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.37% | 8.77% | -1.40% |
Volatility
PSA vs. ECL - Volatility Comparison
The current volatility for Public Storage (PSA) is 7.03%, while Ecolab Inc. (ECL) has a volatility of 7.47%. This indicates that PSA experiences smaller price fluctuations and is considered to be less risky than ECL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| PSA | ECL | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.03% | 7.47% | -0.44% |
Volatility (6M)Calculated over the trailing 6-month period | 17.72% | 15.88% | +1.84% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.80% | 21.01% | +1.79% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.87% | 23.89% | -0.02% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.46% | 25.02% | -1.56% |
Dividends
PSA vs. ECL - Dividend Comparison
PSA's dividend yield for the trailing twelve months is around 2.76%, more than ECL's 1.04% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ECL Ecolab Inc. | 1.04% | 1.02% | 1.01% | 1.09% | 1.42% | 0.83% | 0.87% | 0.96% | 1.15% | 1.13% | 1.21% | 1.17% |
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
PSA vs. ECL - Financials Comparison
This section allows you to compare key financial metrics between Public Storage and Ecolab Inc.. 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
PSA vs. ECL - Profitability Comparison
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%.
ECL - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Ecolab Inc. reported a gross profit of 1.77B and revenue of 4.07B. Therefore, the gross margin over that period was 43.6%.
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%.
ECL - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Ecolab Inc. reported an operating income of 622.00M and revenue of 4.07B, resulting in an operating margin of 15.3%.
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%.
ECL - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Ecolab Inc. reported a net income of 432.60M and revenue of 4.07B, resulting in a net margin of 10.6%.
Frequently Asked Questions
PSA and ECL have a correlation of 0.44, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ECL has higher volatility (7.47%) compared to PSA (7.03%). In terms of maximum drawdown, PSA dropped -60.19% vs ECL's -47.19%.
PSA currently has the higher Sharpe Ratio (0.59 vs -0.05), 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.
Find the right allocation for PSA and ECL
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer