DOXIX vs. MDVAX

Last updated Jul 14, 2026

DOXIX (Dodge & Cox Income Fund Class X) and MDVAX (MassMutual Diversified Bond Fund) are both Intermediate Core-Plus Bond funds. Over the past 3 years, DOXIX returned 4.96%/yr vs 6.33%/yr for MDVAX. Their correlation of 0.92 suggests significant overlap in exposure. DOXIX charges 0.33%/yr vs 1.07%/yr for MDVAX.

Performance

DOXIX vs. MDVAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Dodge & Cox Income Fund Class X (DOXIX) and MassMutual Diversified Bond Fund (MDVAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DOXIX achieves a -0.85% return, which is significantly lower than MDVAX's 2.93% return.

DOXIX

• 1D: -0.08%
• 1M: -0.31%
• 6M: -1.16%
• YTD: -0.85%
• 1Y: 3.71%
• 3Y*: 4.96%
• 5Y*: —
• 10Y*: —

MDVAX

• 1D: 0.00%
• 1M: 0.45%
• 6M: 2.69%
• YTD: 2.93%
• 1Y: 7.22%
• 3Y*: 6.33%
• 5Y*: 0.12%
• 10Y*: 2.06%

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

DOXIX vs. MDVAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
DOXIX Dodge & Cox Income Fund Class X	-0.85%	8.39%	2.33%	7.75%	-2.35%
MDVAX MassMutual Diversified Bond Fund	2.93%	8.40%	2.47%	5.81%	-6.57%

Correlation

The correlation between DOXIX and MDVAX is 0.79, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.79
Correlation (3Y) Calculated over the trailing 3-year period	0.91
Correlation (All Time) Calculated using the full available price history since May 3, 2022	0.92

The correlation between DOXIX and MDVAX shifts across timeframes, from 0.79 (1 year) to 0.92 (all time), reflecting how their relationship changes across market environments.

Return for Risk

DOXIX vs. MDVAX — Risk / Return Rank

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

DOXIX

DOXIX Risk / Return Rank: 13
DOXIX Sharpe Ratio Rank: 16
DOXIX Sortino Ratio Rank: 15
DOXIX Omega Ratio Rank: 14
DOXIX Calmar Ratio Rank: 12
DOXIX Martin Ratio Rank: 10

MDVAX

MDVAX Risk / Return Rank: 86
MDVAX Sharpe Ratio Rank: 85
MDVAX Sortino Ratio Rank: 89
MDVAX Omega Ratio Rank: 85
MDVAX Calmar Ratio Rank: 83
MDVAX Martin Ratio Rank: 90

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.

DOXIX vs. MDVAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Dodge & Cox Income Fund Class X (DOXIX) and MassMutual Diversified Bond Fund (MDVAX). 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.

	DOXIX	MDVAX	Difference
Sharpe ratio: Return per unit of total volatility	0.82	2.23	-1.41
Sortino ratio: Return per unit of downside risk	1.19	3.63	-2.44
Omega ratio: Gain probability vs. loss probability	1.14	1.45	-0.31
Calmar ratio: Return relative to maximum drawdown	0.79	3.10	-2.31
Martin ratio: Return relative to average drawdown	2.01	13.56	-11.54

DOXIX vs. MDVAX - Sharpe Ratio Comparison

The current DOXIX Sharpe Ratio is 0.82, which is lower than the MDVAX Sharpe Ratio of 2.23. The chart below compares the historical Sharpe Ratios of DOXIX and MDVAX, 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

DOXIX vs. MDVAX - Drawdown Comparison

The maximum DOXIX drawdown since its inception was -8.83%, smaller than the maximum MDVAX drawdown of -23.02%. Use the drawdown chart below to compare losses from any high point for DOXIX and MDVAX.

Drawdown Indicators

	DOXIX	MDVAX	Difference
Max Drawdown Largest peak-to-trough decline	-8.83%	-23.02%	+14.19%
Max Drawdown (1Y) Largest decline over 1 year	-4.19%	-2.21%	-1.98%
Max Drawdown (3Y) Largest decline over 3 years	-5.66%	-5.44%	-0.22%
Max Drawdown (5Y) Largest decline over 5 years	—	-23.02%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-23.02%	—
Current Drawdown Current decline from peak	-2.97%	-3.06%	+0.09%
Average Drawdown Average peak-to-trough decline	-1.93%	-3.47%	+1.54%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.64%	0.51%	+1.13%

Volatility

DOXIX vs. MDVAX - Volatility Comparison

Dodge & Cox Income Fund Class X (DOXIX) has a higher volatility of 1.31% compared to MassMutual Diversified Bond Fund (MDVAX) at 0.69%. This indicates that DOXIX's price experiences larger fluctuations and is considered to be riskier than MDVAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DOXIX	MDVAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.31%	0.69%	+0.62%
Volatility (6M) Calculated over the trailing 6-month period	3.16%	2.19%	+0.97%
Volatility (1Y) Calculated over the trailing 1-year period	4.05%	3.09%	+0.96%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.82%	6.45%	-0.63%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.82%	5.26%	+0.56%

DOXIX vs. MDVAX - Expense Ratio Comparison

DOXIX has a 0.33% expense ratio, which is lower than MDVAX's 1.07% expense ratio.

Dividends

DOXIX vs. MDVAX - Dividend Comparison

DOXIX's dividend yield for the trailing twelve months is around 3.31%, less than MDVAX's 4.09% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DOXIX Dodge & Cox Income Fund Class X	3.31%	4.30%	4.32%	3.92%	2.30%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
MDVAX MassMutual Diversified Bond Fund	4.09%	3.91%	2.45%	4.87%	3.76%	4.06%	7.20%	2.90%	2.86%	2.64%	2.11%	0.53%

Frequently Asked Questions

Can I hold both DOXIX and MDVAX in my portfolio?

DOXIX and MDVAX have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DOXIX or MDVAX?

DOXIX has higher volatility (1.31%) compared to MDVAX (0.69%). In terms of maximum drawdown, DOXIX dropped -8.83% vs MDVAX's -23.02%.

Which has better risk-adjusted returns?

MDVAX currently has the higher Sharpe Ratio (2.23 vs 0.82), 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.