MSTDX vs. MOGAX

Last updated Jun 23, 2026

MSTDX (MassMutual Short Duration Bond Fund) and MOGAX (MassMutual 60/40 Allocation Fund) are both mutual funds - MSTDX is a Short-Term Bond fund managed by MassMutual, while MOGAX is a Diversified Portfolio fund managed by MassMutual. At a 0.09 correlation, their price movements are largely independent. MSTDX charges 0.51%/yr vs 0.61%/yr for MOGAX.

Performance

MSTDX vs. MOGAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MassMutual Short Duration Bond Fund (MSTDX) and MassMutual 60/40 Allocation Fund (MOGAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

MSTDX

• 1D: 0.11%
• 1M: 0.33%
• YTD: 0.73%
• 6M: 1.24%
• 1Y: 4.18%
• 3Y*: 5.66%
• 5Y*: 1.32%
• 10Y*: 2.04%

MOGAX

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

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

MSTDX vs. MOGAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MSTDX MassMutual Short Duration Bond Fund	0.73%	6.18%	6.38%	5.88%	-11.19%	1.79%	2.29%	4.49%	1.68%	2.61%
MOGAX MassMutual 60/40 Allocation Fund	0.00%	10.54%	8.82%	14.26%	-22.35%	13.74%	12.03%	24.58%	-8.02%	14.54%

Correlation

The correlation between MSTDX and MOGAX is 0.11, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.11
Correlation (3Y) Calculated over the trailing 3-year period	0.33
Correlation (5Y) Calculated over the trailing 5-year period	0.30
Correlation (10Y) Calculated over the trailing 10-year period	0.18
Correlation (All Time) Calculated using the full available price history since Jun 20, 2011	0.09

The correlation between MSTDX and MOGAX shifts across timeframes, from 0.09 (all time) to 0.33 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

MSTDX vs. MOGAX — Risk / Return Rank

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

MSTDX

MSTDX Risk / Return Rank: 88
MSTDX Sharpe Ratio Rank: 77
MSTDX Sortino Ratio Rank: 93
MSTDX Omega Ratio Rank: 90
MSTDX Calmar Ratio Rank: 87
MSTDX Martin Ratio Rank: 91

MOGAX

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

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.

MSTDX vs. MOGAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MassMutual Short Duration Bond Fund (MSTDX) and MassMutual 60/40 Allocation Fund (MOGAX). 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.

	MSTDX	MOGAX	Difference
Sharpe ratio: Return per unit of total volatility	2.35	—	—
Sortino ratio: Return per unit of downside risk	4.37	—	—
Omega ratio: Gain probability vs. loss probability	1.62	—	—
Calmar ratio: Return relative to maximum drawdown	4.05	—	—
Martin ratio: Return relative to average drawdown	16.84	—	—

Drawdowns

Drawdown Indicators

	MSTDX	MOGAX	Difference
Max Drawdown Largest peak-to-trough decline	-13.31%	—	—
Max Drawdown (1Y) Largest decline over 1 year	-1.06%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-1.06%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-13.31%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-13.31%	—	—
Current Drawdown Current decline from peak	-0.21%	—	—
Average Drawdown Average peak-to-trough decline	-1.43%	—	—
Ulcer Index Depth and duration of drawdowns from previous peaks	0.26%	—	—

Volatility

Volatility by Period

	MSTDX	MOGAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.63%	—	—
Volatility (6M) Calculated over the trailing 6-month period	1.40%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	1.83%	—	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.34%	—	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.06%	—	—

MSTDX vs. MOGAX - Expense Ratio Comparison

MSTDX has a 0.51% expense ratio, which is lower than MOGAX's 0.61% expense ratio.

Dividends

MSTDX vs. MOGAX - Dividend Comparison

MSTDX's dividend yield for the trailing twelve months is around 4.44%, more than MOGAX's 3.65% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MOGAX MassMutual 60/40 Allocation Fund	3.65%	3.65%	6.23%	3.93%	1.84%	13.14%	3.65%	13.70%	15.46%	1.02%	1.55%	3.52%
MSTDX MassMutual Short Duration Bond Fund	4.44%	4.36%	2.63%	2.48%	1.46%	1.90%	4.44%	3.35%	3.82%	2.51%	2.36%	2.57%

Frequently Asked Questions

Can I hold both MSTDX and MOGAX in my portfolio?

MSTDX and MOGAX have a correlation of 0.11, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.