SUI vs. SPY

Last updated Jul 14, 2026

SUI (Sun Communities, Inc.) is a stock, while SPY (State Street SPDR S&P 500 ETF) is S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, SUI returned 8.07%/yr vs 15.08%/yr for SPY. At a 0.38 correlation, their price movements are largely independent.

Performance

SUI vs. SPY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Sun Communities, Inc. (SUI) and State Street SPDR S&P 500 ETF (SPY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SUI achieves a -0.72% return, which is significantly lower than SPY's 10.45% return. Over the past 10 years, SUI has underperformed SPY with an annualized return of 8.07%, while SPY has yielded a comparatively higher 15.08% annualized return.

SUI

• 1D: 1.62%
• 1M: -3.96%
• 6M: -0.86%
• YTD: -0.72%
• 1Y: -0.43%
• 3Y*: 0.41%
• 5Y*: -4.56%
• 10Y*: 8.07%

SPY

• 1D: -0.77%
• 1M: 1.26%
• 6M: 8.34%
• YTD: 10.45%
• 1Y: 21.46%
• 3Y*: 20.07%
• 5Y*: 12.94%
• 10Y*: 15.08%

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

SUI vs. SPY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SUI Sun Communities, Inc.	-0.72%	7.49%	-5.19%	-3.81%	-30.32%	40.79%	3.58%	50.91%	12.89%	24.94%
SPY State Street SPDR S&P 500 ETF	10.45%	17.72%	24.89%	26.18%	-18.18%	28.73%	18.33%	31.22%	-4.57%	21.71%

Correlation

The correlation between SUI and SPY is -0.00, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.00
Correlation (3Y) Calculated over the trailing 3-year period	0.19
Correlation (5Y) Calculated over the trailing 5-year period	0.36
Correlation (10Y) Calculated over the trailing 10-year period	0.33
Correlation (All Time) Calculated using the full available price history since Dec 9, 1993	0.38

The correlation between SUI and SPY shifts across timeframes, from -0.00 (1 year) to 0.38 (all time), reflecting how their relationship changes across market environments.

Return for Risk

SUI vs. SPY — Risk / Return Rank

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

SUI

SUI Risk / Return Rank: 41
SUI Sharpe Ratio Rank: 45
SUI Sortino Ratio Rank: 37
SUI Omega Ratio Rank: 36
SUI Calmar Ratio Rank: 44
SUI Martin Ratio Rank: 44

SPY

SPY Risk / Return Rank: 66
SPY Sharpe Ratio Rank: 66
SPY Sortino Ratio Rank: 64
SPY Omega Ratio Rank: 65
SPY Calmar Ratio Rank: 61
SPY Martin Ratio Rank: 72

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.

SUI vs. SPY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Sun Communities, Inc. (SUI) and State Street SPDR S&P 500 ETF (SPY). 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.

	SUI	SPY	Difference
Sharpe ratio: Return per unit of total volatility	-0.02	1.71	-1.74
Sortino ratio: Return per unit of downside risk	0.11	2.37	-2.25
Omega ratio: Gain probability vs. loss probability	1.01	1.31	-0.30
Calmar ratio: Return relative to maximum drawdown	-0.03	2.43	-2.46
Martin ratio: Return relative to average drawdown	-0.08	10.57	-10.65

SUI vs. SPY - Sharpe Ratio Comparison

The current SUI Sharpe Ratio is -0.02, which is lower than the SPY Sharpe Ratio of 1.71. The chart below compares the historical Sharpe Ratios of SUI and SPY, 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

SUI vs. SPY - Drawdown Comparison

The maximum SUI drawdown since its inception was -74.04%, which is greater than SPY's maximum drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for SUI and SPY.

Drawdown Indicators

	SUI	SPY	Difference
Max Drawdown Largest peak-to-trough decline	-74.04%	-55.19%	-18.85%
Max Drawdown (1Y) Largest decline over 1 year	-13.00%	-8.88%	-4.12%
Max Drawdown (3Y) Largest decline over 3 years	-26.48%	-18.76%	-7.72%
Max Drawdown (5Y) Largest decline over 5 years	-48.72%	-24.50%	-24.22%
Max Drawdown (10Y) Largest decline over 10 years	-48.72%	-33.72%	-15.00%
Current Drawdown Current decline from peak	-32.18%	-1.12%	-31.06%
Average Drawdown Average peak-to-trough decline	-11.81%	-9.02%	-2.79%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.42%	2.03%	+3.39%

Volatility

SUI vs. SPY - Volatility Comparison

Sun Communities, Inc. (SUI) has a higher volatility of 6.52% compared to State Street SPDR S&P 500 ETF (SPY) at 4.26%. This indicates that SUI's price experiences larger fluctuations and is considered to be riskier than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SUI	SPY	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.52%	4.26%	+2.26%
Volatility (6M) Calculated over the trailing 6-month period	14.11%	10.01%	+4.10%
Volatility (1Y) Calculated over the trailing 1-year period	20.06%	12.60%	+7.46%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.97%	17.17%	+7.80%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.69%	17.93%	+7.76%

Dividends

SUI vs. SPY - Dividend Comparison

SUI's dividend yield for the trailing twelve months is around 3.58%, more than SPY's 1.00% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SPY State Street SPDR S&P 500 ETF	1.00%	1.07%	1.21%	1.40%	1.65%	1.20%	1.52%	1.75%	2.04%	1.80%	2.03%	2.06%
SUI Sun Communities, Inc.	3.58%	6.50%	3.06%	2.78%	2.46%	1.58%	2.08%	2.00%	2.79%	2.89%	3.39%	3.79%

Frequently Asked Questions

Can I hold both SUI and SPY in my portfolio?

SUI and SPY have a correlation of -0.00, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SUI or SPY?

SUI has higher volatility (6.52%) compared to SPY (4.26%). In terms of maximum drawdown, SUI dropped -74.04% vs SPY's -55.19%.

Which has better risk-adjusted returns?

SPY currently has the higher Sharpe Ratio (1.71 vs -0.02), 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.