CSDIX vs. QQQ

Last updated Jun 4, 2026

CSDIX (Cohen & Steers Real Estate Securities Fund CLASS I) and QQQ (Invesco QQQ ETF) are both funds - CSDIX is a REIT fund actively managed by Cohen & Steers, while QQQ is a Nasdaq-100 fund tracking the NASDAQ-100 Index. CSDIX is actively managed, while QQQ is passively managed. Over the past 10 years, CSDIX returned 7.17%/yr vs 21.94%/yr for QQQ. At a 0.48 correlation, their price movements are largely independent. CSDIX charges 0.84%/yr vs 0.18%/yr for QQQ.

Performance

CSDIX vs. QQQ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Cohen & Steers Real Estate Securities Fund CLASS I (CSDIX) and Invesco QQQ ETF (QQQ). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CSDIX achieves a 10.78% return, which is significantly lower than QQQ's 21.30% return. Over the past 10 years, CSDIX has underperformed QQQ with an annualized return of 7.17%, while QQQ has yielded a comparatively higher 21.94% annualized return.

CSDIX

• 1D: 0.32%
• 1M: -1.29%
• YTD: 10.78%
• 6M: 10.03%
• 1Y: 11.79%
• 3Y*: 10.91%
• 5Y*: 3.80%
• 10Y*: 7.17%

QQQ

• 1D: -0.26%
• 1M: 10.60%
• YTD: 21.30%
• 6M: 19.66%
• 1Y: 41.82%
• 3Y*: 28.78%
• 5Y*: 17.97%
• 10Y*: 21.94%

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

CSDIX vs. QQQ - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CSDIX Cohen & Steers Real Estate Securities Fund CLASS I	10.78%	4.32%	6.73%	13.18%	-26.33%	41.70%	-1.74%	31.84%	-4.25%	8.09%
QQQ Invesco QQQ ETF	21.30%	20.77%	25.58%	54.86%	-32.58%	27.42%	48.62%	38.96%	-0.13%	32.66%

Correlation

The correlation between CSDIX and QQQ is 0.15, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.15
Correlation (3Y) Calculated over the trailing 3-year period	0.26
Correlation (5Y) Calculated over the trailing 5-year period	0.44
Correlation (10Y) Calculated over the trailing 10-year period	0.42
Correlation (All Time) Calculated using the full available price history since Mar 11, 1999	0.48

Over the past year, the correlation between CSDIX and QQQ has dropped to 0.15 - well below their long-term average of 0.48, suggesting their price drivers have been diverging.

Return for Risk

CSDIX vs. QQQ — Risk / Return Rank

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

CSDIX

CSDIX Risk / Return Rank: 13
CSDIX Sharpe Ratio Rank: 11
CSDIX Sortino Ratio Rank: 10
CSDIX Omega Ratio Rank: 11
CSDIX Calmar Ratio Rank: 17
CSDIX Martin Ratio Rank: 16

QQQ

QQQ Risk / Return Rank: 73
QQQ Sharpe Ratio Rank: 79
QQQ Sortino Ratio Rank: 75
QQQ Omega Ratio Rank: 74
QQQ Calmar Ratio Rank: 69
QQQ Martin Ratio Rank: 71

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.

CSDIX vs. QQQ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Cohen & Steers Real Estate Securities Fund CLASS I (CSDIX) and Invesco QQQ ETF (QQQ). 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.

	CSDIX	QQQ	Difference
Sharpe ratio: Return per unit of total volatility	0.88	2.64	-1.76
Sortino ratio: Return per unit of downside risk	1.24	3.45	-2.20
Omega ratio: Gain probability vs. loss probability	1.16	1.45	-0.29
Calmar ratio: Return relative to maximum drawdown	1.46	3.51	-2.05
Martin ratio: Return relative to average drawdown	4.38	13.49	-9.11
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CSDIX vs. QQQ - Sharpe Ratio Comparison

The current CSDIX Sharpe Ratio is 0.88, which is lower than the QQQ Sharpe Ratio of 2.64. The chart below compares the historical Sharpe Ratios of CSDIX and QQQ, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	CSDIX	QQQ	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.88	2.64	-1.76
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.20	0.81	-0.60
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.35	0.99	-0.64
Sharpe Ratio (All Time) Calculated using the full available price history	0.35	0.41	-0.06

Drawdowns

CSDIX vs. QQQ - Drawdown Comparison

The maximum CSDIX drawdown since its inception was -72.37%, smaller than the maximum QQQ drawdown of -82.97%. Use the drawdown chart below to compare losses from any high point for CSDIX and QQQ.

Drawdown Indicators

	CSDIX	QQQ	Difference
Max Drawdown Largest peak-to-trough decline	-72.37%	-82.97%	+10.60%
Max Drawdown (1Y) Largest decline over 1 year	-7.91%	-11.96%	+4.05%
Max Drawdown (3Y) Largest decline over 3 years	-17.23%	-22.77%	+5.54%
Max Drawdown (5Y) Largest decline over 5 years	-33.09%	-35.12%	+2.03%
Max Drawdown (10Y) Largest decline over 10 years	-42.68%	-35.12%	-7.56%
Current Drawdown Current decline from peak	-3.09%	-0.26%	-2.83%
Average Drawdown Average peak-to-trough decline	-10.94%	-32.79%	+21.85%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.63%	3.11%	-0.48%

Volatility

CSDIX vs. QQQ - Volatility Comparison

The current volatility for Cohen & Steers Real Estate Securities Fund CLASS I (CSDIX) is 3.79%, while Invesco QQQ ETF (QQQ) has a volatility of 4.49%. This indicates that CSDIX experiences smaller price fluctuations and is considered to be less risky than QQQ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CSDIX	QQQ	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.79%	4.49%	-0.70%
Volatility (6M) Calculated over the trailing 6-month period	9.89%	12.10%	-2.21%
Volatility (1Y) Calculated over the trailing 1-year period	13.20%	15.94%	-2.74%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.67%	22.38%	-3.71%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.86%	22.29%	-1.43%

CSDIX vs. QQQ - Expense Ratio Comparison

CSDIX has a 0.84% expense ratio, which is higher than QQQ's 0.18% expense ratio.

Dividends

CSDIX vs. QQQ - Dividend Comparison

CSDIX's dividend yield for the trailing twelve months is around 3.42%, more than QQQ's 0.38% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CSDIX Cohen & Steers Real Estate Securities Fund CLASS I	3.42%	3.72%	2.78%	2.93%	7.67%	4.30%	5.39%	7.62%	3.60%	2.52%	5.84%	19.24%
QQQ Invesco QQQ ETF	0.38%	0.45%	0.56%	0.62%	0.80%	0.43%	0.55%	0.74%	0.91%	0.84%	1.06%	0.99%

Frequently Asked Questions

Can I hold both CSDIX and QQQ in my portfolio?

CSDIX and QQQ have a correlation of 0.15, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CSDIX or QQQ?

QQQ has higher volatility (4.49%) compared to CSDIX (3.79%). In terms of maximum drawdown, CSDIX dropped -72.37% vs QQQ's -82.97%.

Which has better risk-adjusted returns?

QQQ currently has the higher Sharpe Ratio (2.64 vs 0.88), 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.