MAA vs. PSA

Last updated Jun 23, 2026

MAA (Mid-America Apartment Communities, Inc.) and PSA (Public Storage) are both stocks. Both are in the Real Estate sector — MAA in REIT - Residential, PSA in REIT - Industrial. Over the past 10 years, MAA returned 6.50%/yr vs 7.08%/yr for PSA. A 0.55 correlation means they provide meaningful diversification when combined.

Performance

MAA vs. PSA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Mid-America Apartment Communities, Inc. (MAA) and Public Storage (PSA). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MAA achieves a -2.62% return, which is significantly lower than PSA's 25.81% return. Over the past 10 years, MAA has underperformed PSA with an annualized return of 6.50%, while PSA has yielded a comparatively higher 7.08% annualized return.

MAA

• 1D: -0.28%
• 1M: 0.75%
• YTD: -2.62%
• 6M: -1.03%
• 1Y: -6.97%
• 3Y*: 0.98%
• 5Y*: -1.19%
• 10Y*: 6.50%

PSA

• 1D: 0.66%
• 1M: 5.88%
• YTD: 25.81%
• 6M: 24.89%
• 1Y: 14.97%
• 3Y*: 8.44%
• 5Y*: 5.59%
• 10Y*: 7.08%

*Multi-year figures are annualized to reflect compound growth (CAGR)

MAA vs. PSA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MAA Mid-America Apartment Communities, Inc.	-2.62%	-6.36%	19.94%	-10.44%	-29.75%	85.87%	-0.64%	42.52%	-1.06%	6.28%
PSA Public Storage	25.81%	-9.69%	2.09%	13.60%	-20.20%	66.63%	12.69%	8.96%	0.62%	-2.89%

Correlation

The correlation between MAA and PSA is 0.51, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.51
Correlation (3Y) Calculated over the trailing 3-year period	0.59
Correlation (5Y) Calculated over the trailing 5-year period	0.63
Correlation (10Y) Calculated over the trailing 10-year period	0.62
Correlation (All Time) Calculated using the full available price history since Jan 28, 1994	0.55

The correlation between MAA and PSA shifts across timeframes, from 0.51 (1 year) to 0.63 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

EPS MAA : $4.58 PSA : $10.84
PE Ratio MAA : 28.83 PSA : 29.55
PS Ratio MAA : 6.99 PSA : 11.59
Total Revenue (TTM) MAA : $1.66B PSA : $4.86B
Gross Profit (TTM) MAA : $450.10M PSA : $2.95B
EBITDA (TTM) MAA : $1.28B PSA : $3.38B

Return for Risk

MAA vs. PSA — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

MAA

MAA Risk / Return Rank: 26
MAA Sharpe Ratio Rank: 26
MAA Sortino Ratio Rank: 22
MAA Omega Ratio Rank: 23
MAA Calmar Ratio Rank: 30
MAA Martin Ratio Rank: 31

PSA

PSA Risk / Return Rank: 60
PSA Sharpe Ratio Rank: 64
PSA Sortino Ratio Rank: 57
PSA Omega Ratio Rank: 54
PSA Calmar Ratio Rank: 62
PSA Martin Ratio Rank: 62

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

MAA vs. PSA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Mid-America Apartment Communities, Inc. (MAA) 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.

	MAA	PSA	Difference
Sharpe ratio: Return per unit of total volatility	-0.37	0.65	-1.03
Sortino ratio: Return per unit of downside risk	-0.41	1.06	-1.46
Omega ratio: Gain probability vs. loss probability	0.95	1.12	-0.17
Calmar ratio: Return relative to maximum drawdown	-0.36	0.93	-1.29
Martin ratio: Return relative to average drawdown	-0.63	2.04	-2.67

MAA vs. PSA - Sharpe Ratio Comparison

The current MAA Sharpe Ratio is -0.37, which is lower than the PSA Sharpe Ratio of 0.65. The chart below compares the historical Sharpe Ratios of MAA and PSA, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

MAA vs. PSA - Drawdown Comparison

The maximum MAA drawdown since its inception was -60.29%, roughly equal to the maximum PSA drawdown of -60.19%. Use the drawdown chart below to compare losses from any high point for MAA and PSA.

Drawdown Indicators

	MAA	PSA	Difference
Max Drawdown Largest peak-to-trough decline	-60.29%	-60.19%	-0.10%
Max Drawdown (1Y) Largest decline over 1 year	-19.49%	-16.20%	-3.29%
Max Drawdown (3Y) Largest decline over 3 years	-26.41%	-25.62%	-0.79%
Max Drawdown (5Y) Largest decline over 5 years	-45.01%	-37.93%	-7.08%
Max Drawdown (10Y) Largest decline over 10 years	-45.01%	-37.93%	-7.08%
Current Drawdown Current decline from peak	-31.18%	-6.71%	-24.47%
Average Drawdown Average peak-to-trough decline	-10.42%	-15.77%	+5.35%
Ulcer Index Depth and duration of drawdowns from previous peaks	11.10%	7.37%	+3.73%

Volatility

MAA vs. PSA - Volatility Comparison

The current volatility for Mid-America Apartment Communities, Inc. (MAA) is 5.96%, while Public Storage (PSA) has a volatility of 6.44%. This indicates that MAA 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.

Volatility by Period

	MAA	PSA	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.96%	6.44%	-0.48%
Volatility (6M) Calculated over the trailing 6-month period	14.14%	17.77%	-3.63%
Volatility (1Y) Calculated over the trailing 1-year period	18.92%	23.02%	-4.10%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.19%	23.91%	-1.72%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.16%	23.48%	+0.68%

Dividends

MAA vs. PSA - Dividend Comparison

MAA's dividend yield for the trailing twelve months is around 4.61%, more than PSA's 3.75% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MAA Mid-America Apartment Communities, Inc.	4.61%	4.36%	3.80%	4.96%	2.98%	1.79%	3.16%	2.91%	3.86%	3.46%	3.35%	3.39%
PSA Public Storage	3.75%	4.62%	4.01%	3.93%	7.55%	2.14%	3.46%	3.76%	3.95%	3.83%	3.27%	2.62%

Financials

Frequently Asked Questions

Can I hold both MAA and PSA in my portfolio?

MAA and PSA have a correlation of 0.51, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MAA or PSA?

PSA has higher volatility (6.44%) compared to MAA (5.96%). In terms of maximum drawdown, MAA dropped -60.29% vs PSA's -60.19%.

Which has better risk-adjusted returns?

PSA currently has the higher Sharpe Ratio (0.65 vs -0.37), 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.