CMGUX vs. CDDYX

Last updated Jun 23, 2026

CMGUX (Columbia Ultra Short Term Bond Fund) and CDDYX (Columbia Dividend Income Fund Institutional 3 Class) are both mutual funds - CMGUX is a Ultrashort Bond fund managed by Columbia, while CDDYX is a Large Cap Value Equities fund managed by Columbia. Over the past 10 years, CMGUX returned 2.69%/yr vs 12.75%/yr for CDDYX. At a 0.01 correlation, their price movements are largely independent. CMGUX charges 0.25%/yr vs 0.55%/yr for CDDYX.

Performance

CMGUX vs. CDDYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Columbia Ultra Short Term Bond Fund (CMGUX) and Columbia Dividend Income Fund Institutional 3 Class (CDDYX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CMGUX achieves a 1.58% return, which is significantly lower than CDDYX's 8.90% return. Over the past 10 years, CMGUX has underperformed CDDYX with an annualized return of 2.69%, while CDDYX has yielded a comparatively higher 12.75% annualized return.

CMGUX

• 1D: 0.00%
• 1M: 0.34%
• YTD: 1.58%
• 6M: 1.99%
• 1Y: 4.49%
• 3Y*: 5.10%
• 5Y*: 3.66%
• 10Y*: 2.69%

CDDYX

• 1D: -0.11%
• 1M: 0.39%
• YTD: 8.90%
• 6M: 8.40%
• 1Y: 21.55%
• 3Y*: 15.99%
• 5Y*: 11.63%
• 10Y*: 12.75%

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

CMGUX vs. CDDYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CMGUX Columbia Ultra Short Term Bond Fund	1.58%	4.89%	5.31%	5.88%	0.79%	0.17%	1.78%	2.99%	1.90%	1.36%
CDDYX Columbia Dividend Income Fund Institutional 3 Class	8.90%	15.95%	15.17%	10.65%	-4.84%	26.43%	7.92%	28.74%	-4.27%	20.34%

Correlation

The correlation between CMGUX and CDDYX is 0.04, 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	0.04
Correlation (3Y) Calculated over the trailing 3-year period	0.06
Correlation (5Y) Calculated over the trailing 5-year period	0.06
Correlation (10Y) Calculated over the trailing 10-year period	0.02
Correlation (All Time) Calculated using the full available price history since Nov 9, 2012	0.01

Return for Risk

CMGUX vs. CDDYX — Risk / Return Rank

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

CMGUX

CMGUX Risk / Return Rank: 99
CMGUX Sharpe Ratio Rank: 97
CMGUX Sortino Ratio Rank: 100
CMGUX Omega Ratio Rank: 99
CMGUX Calmar Ratio Rank: 100
CMGUX Martin Ratio Rank: 100

CDDYX

CDDYX Risk / Return Rank: 79
CDDYX Sharpe Ratio Rank: 77
CDDYX Sortino Ratio Rank: 78
CDDYX Omega Ratio Rank: 69
CDDYX Calmar Ratio Rank: 86
CDDYX Martin Ratio Rank: 85

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.

CMGUX vs. CDDYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Columbia Ultra Short Term Bond Fund (CMGUX) and Columbia Dividend Income Fund Institutional 3 Class (CDDYX). 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.

	CMGUX	CDDYX	Difference
Sharpe ratio: Return per unit of total volatility	3.34	2.36	+0.97
Sortino ratio: Return per unit of downside risk	12.11	3.40	+8.71
Omega ratio: Gain probability vs. loss probability	4.49	1.42	+3.07
Calmar ratio: Return relative to maximum drawdown	21.44	3.93	+17.51
Martin ratio: Return relative to average drawdown	80.65	14.84	+65.80

CMGUX vs. CDDYX - Sharpe Ratio Comparison

The current CMGUX Sharpe Ratio is 3.34, which is higher than the CDDYX Sharpe Ratio of 2.36. The chart below compares the historical Sharpe Ratios of CMGUX and CDDYX, 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

CMGUX vs. CDDYX - Drawdown Comparison

The maximum CMGUX drawdown since its inception was -3.09%, smaller than the maximum CDDYX drawdown of -32.74%. Use the drawdown chart below to compare losses from any high point for CMGUX and CDDYX.

Drawdown Indicators

	CMGUX	CDDYX	Difference
Max Drawdown Largest peak-to-trough decline	-3.09%	-32.74%	+29.65%
Max Drawdown (1Y) Largest decline over 1 year	-0.22%	-5.51%	+5.29%
Max Drawdown (3Y) Largest decline over 3 years	-0.32%	-12.99%	+12.67%
Max Drawdown (5Y) Largest decline over 5 years	-0.95%	-16.91%	+15.96%
Max Drawdown (10Y) Largest decline over 10 years	-3.09%	-32.74%	+29.65%
Current Drawdown Current decline from peak	-0.11%	-1.04%	+0.93%
Average Drawdown Average peak-to-trough decline	-0.13%	-2.76%	+2.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.06%	1.46%	-1.40%

Volatility

CMGUX vs. CDDYX - Volatility Comparison

The current volatility for Columbia Ultra Short Term Bond Fund (CMGUX) is 0.37%, while Columbia Dividend Income Fund Institutional 3 Class (CDDYX) has a volatility of 2.65%. This indicates that CMGUX experiences smaller price fluctuations and is considered to be less risky than CDDYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CMGUX	CDDYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.37%	2.65%	-2.28%
Volatility (6M) Calculated over the trailing 6-month period	0.97%	6.89%	-5.92%
Volatility (1Y) Calculated over the trailing 1-year period	1.39%	9.17%	-7.78%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.28%	13.27%	-11.99%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.11%	15.69%	-14.58%

CMGUX vs. CDDYX - Expense Ratio Comparison

CMGUX has a 0.25% expense ratio, which is lower than CDDYX's 0.55% expense ratio.

Dividends

CMGUX vs. CDDYX - Dividend Comparison

CMGUX's dividend yield for the trailing twelve months is around 4.39%, less than CDDYX's 4.94% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CDDYX Columbia Dividend Income Fund Institutional 3 Class	4.94%	5.33%	5.99%	4.96%	3.90%	2.93%	1.85%	3.28%	7.65%	4.03%	3.84%	8.35%
CMGUX Columbia Ultra Short Term Bond Fund	4.39%	4.65%	4.07%	3.46%	1.34%	0.61%	1.53%	2.50%	1.99%	1.24%	0.87%	0.50%

Frequently Asked Questions

Can I hold both CMGUX and CDDYX in my portfolio?

CMGUX and CDDYX have a correlation of 0.04, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CMGUX or CDDYX?

CDDYX has higher volatility (2.65%) compared to CMGUX (0.37%). In terms of maximum drawdown, CMGUX dropped -3.09% vs CDDYX's -32.74%.

Which has better risk-adjusted returns?

CMGUX currently has the higher Sharpe Ratio (3.34 vs 2.36), 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.