CLMVX vs. PMZIX

Last updated Jun 4, 2026

CLMVX (Columbia Mortgage Opportunities Fund) and PMZIX (PIMCO Mortgage Opportunities and Bond Fund) are both Nontraditional Bonds funds. Over the past 10 years, CLMVX returned 4.32%/yr vs 3.60%/yr for PMZIX. A 0.53 correlation means they provide meaningful diversification when combined. CLMVX charges 0.70%/yr vs 0.60%/yr for PMZIX.

Performance

CLMVX vs. PMZIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Columbia Mortgage Opportunities Fund (CLMVX) and PIMCO Mortgage Opportunities and Bond Fund (PMZIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CLMVX achieves a 0.66% return, which is significantly lower than PMZIX's 1.04% return. Over the past 10 years, CLMVX has outperformed PMZIX with an annualized return of 4.32%, while PMZIX has yielded a comparatively lower 3.60% annualized return.

CLMVX

• 1D: 0.00%
• 1M: 0.28%
• YTD: 0.66%
• 6M: 0.74%
• 1Y: 7.20%
• 3Y*: 7.91%
• 5Y*: 0.74%
• 10Y*: 4.32%

PMZIX

• 1D: 0.00%
• 1M: 0.35%
• YTD: 1.04%
• 6M: 1.42%
• 1Y: 6.34%
• 3Y*: 6.56%
• 5Y*: 2.98%
• 10Y*: 3.60%

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

CLMVX vs. PMZIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CLMVX Columbia Mortgage Opportunities Fund	0.66%	11.95%	5.30%	7.57%	-17.82%	5.44%	9.25%	6.44%	7.90%	5.41%
PMZIX PIMCO Mortgage Opportunities and Bond Fund	1.04%	8.50%	5.74%	7.03%	-8.00%	2.42%	5.44%	5.04%	1.55%	5.50%

Correlation

The correlation between CLMVX and PMZIX is 0.82, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.82
Correlation (3Y) Calculated over the trailing 3-year period	0.81
Correlation (5Y) Calculated over the trailing 5-year period	0.75
Correlation (10Y) Calculated over the trailing 10-year period	0.60
Correlation (All Time) Calculated using the full available price history since May 2, 2014	0.53

Over the past year, CLMVX and PMZIX have become more correlated (0.82) than their long-term average of 0.53, meaning their price movements have been converging.

Return for Risk

CLMVX vs. PMZIX — Risk / Return Rank

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

CLMVX

CLMVX Risk / Return Rank: 35
CLMVX Sharpe Ratio Rank: 35
CLMVX Sortino Ratio Rank: 39
CLMVX Omega Ratio Rank: 36
CLMVX Calmar Ratio Rank: 35
CLMVX Martin Ratio Rank: 31

PMZIX

PMZIX Risk / Return Rank: 47
PMZIX Sharpe Ratio Rank: 41
PMZIX Sortino Ratio Rank: 51
PMZIX Omega Ratio Rank: 49
PMZIX Calmar Ratio Rank: 46
PMZIX Martin Ratio Rank: 45

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.

CLMVX vs. PMZIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Columbia Mortgage Opportunities Fund (CLMVX) and PIMCO Mortgage Opportunities and Bond Fund (PMZIX). 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.

	CLMVX	PMZIX	Difference
Sharpe ratio: Return per unit of total volatility	1.72	1.87	-0.15
Sortino ratio: Return per unit of downside risk	2.61	3.01	-0.40
Omega ratio: Gain probability vs. loss probability	1.32	1.39	-0.07
Calmar ratio: Return relative to maximum drawdown	2.22	2.59	-0.37
Martin ratio: Return relative to average drawdown	7.21	9.48	-2.27
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CLMVX vs. PMZIX - Sharpe Ratio Comparison

The current CLMVX Sharpe Ratio is 1.72, which is comparable to the PMZIX Sharpe Ratio of 1.87. The chart below compares the historical Sharpe Ratios of CLMVX and PMZIX, 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

	CLMVX	PMZIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.72	1.87	-0.15
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.11	0.78	-0.67
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.78	1.12	-0.34
Sharpe Ratio (All Time) Calculated using the full available price history	0.77	1.24	-0.46

Drawdowns

CLMVX vs. PMZIX - Drawdown Comparison

The maximum CLMVX drawdown since its inception was -22.15%, which is greater than PMZIX's maximum drawdown of -10.44%. Use the drawdown chart below to compare losses from any high point for CLMVX and PMZIX.

Drawdown Indicators

	CLMVX	PMZIX	Difference
Max Drawdown Largest peak-to-trough decline	-22.15%	-10.44%	-11.71%
Max Drawdown (1Y) Largest decline over 1 year	-3.20%	-2.42%	-0.78%
Max Drawdown (3Y) Largest decline over 3 years	-6.64%	-3.53%	-3.11%
Max Drawdown (5Y) Largest decline over 5 years	-22.15%	-10.44%	-11.71%
Max Drawdown (10Y) Largest decline over 10 years	-22.15%	-10.44%	-11.71%
Current Drawdown Current decline from peak	-1.76%	-0.56%	-1.20%
Average Drawdown Average peak-to-trough decline	-3.97%	-1.18%	-2.79%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.98%	0.66%	+0.32%

Volatility

CLMVX vs. PMZIX - Volatility Comparison

Columbia Mortgage Opportunities Fund (CLMVX) has a higher volatility of 1.48% compared to PIMCO Mortgage Opportunities and Bond Fund (PMZIX) at 1.23%. This indicates that CLMVX's price experiences larger fluctuations and is considered to be riskier than PMZIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CLMVX	PMZIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.48%	1.23%	+0.25%
Volatility (6M) Calculated over the trailing 6-month period	2.84%	2.43%	+0.41%
Volatility (1Y) Calculated over the trailing 1-year period	4.14%	3.36%	+0.78%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.74%	3.85%	+2.89%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.54%	3.23%	+2.31%

CLMVX vs. PMZIX - Expense Ratio Comparison

CLMVX has a 0.70% expense ratio, which is higher than PMZIX's 0.60% expense ratio.

Dividends

CLMVX vs. PMZIX - Dividend Comparison

CLMVX's dividend yield for the trailing twelve months is around 4.95%, less than PMZIX's 5.52% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CLMVX Columbia Mortgage Opportunities Fund	4.95%	5.63%	5.88%	6.64%	6.89%	4.43%	6.05%	4.36%	4.51%	7.85%	4.52%	4.86%
PMZIX PIMCO Mortgage Opportunities and Bond Fund	5.52%	5.84%	7.59%	6.74%	5.87%	3.99%	3.96%	4.38%	4.34%	3.62%	5.24%	4.08%

Frequently Asked Questions

Can I hold both CLMVX and PMZIX in my portfolio?

CLMVX and PMZIX have a correlation of 0.82, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CLMVX or PMZIX?

CLMVX has higher volatility (1.48%) compared to PMZIX (1.23%). In terms of maximum drawdown, CLMVX dropped -22.15% vs PMZIX's -10.44%.

Which has better risk-adjusted returns?

PMZIX currently has the higher Sharpe Ratio (1.87 vs 1.72), 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.