UMMGX vs. COSZX

Last updated Jun 4, 2026

UMMGX (Columbia Bond Fund) and COSZX (Columbia Overseas Value Fund) are both mutual funds - UMMGX is a Intermediate Core Bond fund managed by Columbia, while COSZX is a Foreign Large Cap Equities fund managed by Columbia. At a correlation of -0.10, they often move in opposite directions. UMMGX charges 0.52%/yr vs 0.90%/yr for COSZX.

Performance

UMMGX vs. COSZX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Columbia Bond Fund (UMMGX) and Columbia Overseas Value Fund (COSZX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

UMMGX

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

COSZX

• 1D: 0.53%
• 1M: 0.93%
• YTD: 7.46%
• 6M: 10.18%
• 1Y: 28.08%
• 3Y*: 21.79%
• 5Y*: 11.46%
• 10Y*: 10.22%

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

UMMGX vs. COSZX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
UMMGX Columbia Bond Fund	0.03%	8.03%	2.06%	6.73%	-15.66%	-0.79%	9.10%	9.23%	-0.50%	3.73%
COSZX Columbia Overseas Value Fund	7.46%	45.80%	4.70%	16.05%	-5.99%	10.78%	-0.07%	22.37%	-16.70%	27.82%

Correlation

The correlation between UMMGX and COSZX is 0.18, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.18
Correlation (3Y) Calculated over the trailing 3-year period	0.24
Correlation (5Y) Calculated over the trailing 5-year period	0.14
Correlation (10Y) Calculated over the trailing 10-year period	-0.00
Correlation (All Time) Calculated using the full available price history since Apr 2, 2008	-0.10

The correlation between UMMGX and COSZX shifts across timeframes, from -0.10 (all time) to 0.24 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

UMMGX vs. COSZX — Risk / Return Rank

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

COSZX

COSZX Risk / Return Rank: 41
COSZX Sharpe Ratio Rank: 45
COSZX Sortino Ratio Rank: 43
COSZX Omega Ratio Rank: 45
COSZX Calmar Ratio Rank: 37
COSZX Martin Ratio Rank: 37

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.

UMMGX vs. COSZX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Columbia Bond Fund (UMMGX) and Columbia Overseas Value Fund (COSZX). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	UMMGX	COSZX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	1.98	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.73	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.59	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	0.21	—

Drawdowns

Drawdown Indicators

	UMMGX	COSZX	Difference
Max Drawdown Largest peak-to-trough decline	—	-63.37%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-11.76%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-13.34%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-25.77%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-43.40%	—
Current Drawdown Current decline from peak	—	-4.51%	—
Average Drawdown Average peak-to-trough decline	—	-17.90%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	3.33%	—

Volatility

Volatility by Period

	UMMGX	COSZX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	3.56%	—
Volatility (6M) Calculated over the trailing 6-month period	—	10.95%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	13.77%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	15.84%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	17.45%	—

UMMGX vs. COSZX - Expense Ratio Comparison

UMMGX has a 0.52% expense ratio, which is lower than COSZX's 0.90% expense ratio.

Dividends

UMMGX vs. COSZX - Dividend Comparison

UMMGX's dividend yield for the trailing twelve months is around 3.41%, less than COSZX's 7.36% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COSZX Columbia Overseas Value Fund	7.36%	7.91%	5.38%	3.97%	1.88%	3.59%	1.69%	3.82%	3.59%	1.71%	1.99%	2.27%
UMMGX Columbia Bond Fund	3.41%	4.20%	3.70%	3.73%	2.73%	1.76%	4.77%	4.21%	2.71%	1.88%	4.66%	3.56%

Frequently Asked Questions

Can I hold both UMMGX and COSZX in my portfolio?

UMMGX and COSZX have a correlation of 0.18, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.