CSEIX vs. OSMAX

Last updated Jun 5, 2026

CSEIX (Cohen & Steers Real Estate Securities Fund, Inc.) and OSMAX (Invesco International Small-Mid Company Fund) are both mutual funds - CSEIX is a REIT fund managed by T. Rowe Price, while OSMAX is a Foreign Small & Mid Cap Equities fund managed by Invesco. Over the past 10 years, CSEIX returned 6.87%/yr vs 5.64%/yr for OSMAX. At a 0.42 correlation, their price movements are largely independent. CSEIX charges 1.10%/yr vs 1.33%/yr for OSMAX.

Performance

CSEIX vs. OSMAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Cohen & Steers Real Estate Securities Fund, Inc. (CSEIX) and Invesco International Small-Mid Company Fund (OSMAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CSEIX achieves a 10.50% return, which is significantly higher than OSMAX's 0.37% return. Over the past 10 years, CSEIX has outperformed OSMAX with an annualized return of 6.87%, while OSMAX has yielded a comparatively lower 5.64% annualized return.

CSEIX

• 1D: -0.17%
• 1M: -1.45%
• YTD: 10.50%
• 6M: 9.76%
• 1Y: 11.23%
• 3Y*: 10.57%
• 5Y*: 3.49%
• 10Y*: 6.87%

OSMAX

• 1D: -1.19%
• 1M: 0.03%
• YTD: 0.37%
• 6M: 0.22%
• 1Y: 2.54%
• 3Y*: 4.22%
• 5Y*: -1.61%
• 10Y*: 5.64%

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

CSEIX vs. OSMAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CSEIX Cohen & Steers Real Estate Securities Fund, Inc.	10.50%	4.01%	6.50%	12.81%	-26.47%	41.29%	-1.99%	31.50%	-4.52%	7.79%
OSMAX Invesco International Small-Mid Company Fund	0.37%	16.81%	-6.57%	12.33%	-31.19%	13.64%	24.76%	19.33%	-9.47%	37.92%

Correlation

The correlation between CSEIX and OSMAX is 0.38, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.38
Correlation (3Y) Calculated over the trailing 3-year period	0.47
Correlation (5Y) Calculated over the trailing 5-year period	0.53
Correlation (10Y) Calculated over the trailing 10-year period	0.45
Correlation (All Time) Calculated using the full available price history since Nov 18, 1997	0.42

The correlation between CSEIX and OSMAX shifts across timeframes, from 0.38 (1 year) to 0.53 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

CSEIX vs. OSMAX — Risk / Return Rank

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

CSEIX

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

OSMAX

OSMAX Risk / Return Rank: 4
OSMAX Sharpe Ratio Rank: 4
OSMAX Sortino Ratio Rank: 4
OSMAX Omega Ratio Rank: 4
OSMAX Calmar Ratio Rank: 5
OSMAX Martin Ratio Rank: 5

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.

CSEIX vs. OSMAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Cohen & Steers Real Estate Securities Fund, Inc. (CSEIX) and Invesco International Small-Mid Company Fund (OSMAX). 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.

	CSEIX	OSMAX	Difference
Sharpe ratio: Return per unit of total volatility	0.87	0.27	+0.60
Sortino ratio: Return per unit of downside risk	1.23	0.49	+0.74
Omega ratio: Gain probability vs. loss probability	1.16	1.06	+0.10
Calmar ratio: Return relative to maximum drawdown	1.45	0.32	+1.13
Martin ratio: Return relative to average drawdown	4.28	0.98	+3.30
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CSEIX vs. OSMAX - Sharpe Ratio Comparison

The current CSEIX Sharpe Ratio is 0.87, which is higher than the OSMAX Sharpe Ratio of 0.27. The chart below compares the historical Sharpe Ratios of CSEIX and OSMAX, 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

	CSEIX	OSMAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.87	0.27	+0.60
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.19	-0.09	+0.28
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.33	0.33	0.00
Sharpe Ratio (All Time) Calculated using the full available price history	0.35	0.52	-0.17

Drawdowns

CSEIX vs. OSMAX - Drawdown Comparison

The maximum CSEIX drawdown since its inception was -72.58%, smaller than the maximum OSMAX drawdown of -78.32%. Use the drawdown chart below to compare losses from any high point for CSEIX and OSMAX.

Drawdown Indicators

	CSEIX	OSMAX	Difference
Max Drawdown Largest peak-to-trough decline	-72.58%	-78.32%	+5.74%
Max Drawdown (1Y) Largest decline over 1 year	-7.92%	-12.10%	+4.18%
Max Drawdown (3Y) Largest decline over 3 years	-17.31%	-19.18%	+1.87%
Max Drawdown (5Y) Largest decline over 5 years	-33.25%	-44.11%	+10.86%
Max Drawdown (10Y) Largest decline over 10 years	-42.75%	-44.11%	+1.36%
Current Drawdown Current decline from peak	-3.29%	-18.74%	+15.45%
Average Drawdown Average peak-to-trough decline	-10.73%	-19.07%	+8.34%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.67%	3.73%	-1.06%

Volatility

CSEIX vs. OSMAX - Volatility Comparison

Cohen & Steers Real Estate Securities Fund, Inc. (CSEIX) and Invesco International Small-Mid Company Fund (OSMAX) have volatilities of 3.79% and 3.77%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CSEIX	OSMAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.79%	3.77%	+0.02%
Volatility (6M) Calculated over the trailing 6-month period	9.93%	11.37%	-1.44%
Volatility (1Y) Calculated over the trailing 1-year period	13.21%	14.17%	-0.96%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.86%	17.98%	+0.88%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.94%	17.16%	+3.78%

CSEIX vs. OSMAX - Expense Ratio Comparison

CSEIX has a 1.10% expense ratio, which is lower than OSMAX's 1.33% expense ratio.

Dividends

CSEIX vs. OSMAX - Dividend Comparison

CSEIX's dividend yield for the trailing twelve months is around 3.46%, less than OSMAX's 20.05% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CSEIX Cohen & Steers Real Estate Securities Fund, Inc.	3.46%	3.75%	2.72%	2.89%	7.91%	4.37%	5.48%	7.83%	3.51%	2.39%	5.87%	23.00%
OSMAX Invesco International Small-Mid Company Fund	20.05%	20.13%	10.49%	2.36%	0.28%	10.00%	8.13%	0.37%	10.95%	2.95%	0.15%	0.07%

Frequently Asked Questions

Can I hold both CSEIX and OSMAX in my portfolio?

CSEIX and OSMAX have a correlation of 0.38, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CSEIX or OSMAX?

CSEIX has higher volatility (3.79%) compared to OSMAX (3.77%). In terms of maximum drawdown, CSEIX dropped -72.58% vs OSMAX's -78.32%.

Which has better risk-adjusted returns?

CSEIX currently has the higher Sharpe Ratio (0.87 vs 0.27), 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.