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MassMutual Core Bond Fund (MCBDX) Sortino Ratio: 1.63

MCBDX's Sortino Ratio of 1.63 indicates that for each unit of downside volatility, it generates 1.63 units of excess return. The ratio is calculated using historical daily returns over the past 12 months (as of Apr 1, 2026).

Unlike other measures, Sortino only focuses on downside volatility (losses), making it particularly useful for investors more concerned about protecting against drawdowns than overall price swings.

MCBDX Sortino Ratio Rank


MCBDX Sortino Ratio Rank: 63.964
Above Average

MCBDX ranks above 63.9% of all investments in our database based on Sortino Ratio over the past 12 months, indicating above-average returns relative to downside risk taken. Securities are ranked from 0 (worst) to 100 (best).

What moves the rank

  • Strong returns with minimal downside volatility → Higher rank
  • Severe or frequent drawdowns → Lower rank
  • Upside volatility → No impact (Sortino doesn't penalize upside swings)

What you can do with this information

  • Above-average downside protection with room for improvement
  • Compare against category peers to gauge relative positioning
  • Monitor for movement toward top tier or decline toward median
  • Consider pairing with top-tier holdings to improve portfolio risk profile

MCBDX Sortino Ratio Market Positioning

The chart shows MCBDX's Sortino Ratio relative to all mutual funds on our platform, with color zones indicating percentile rankings. Higher ratios indicate better downside-adjusted returns.


  • Red zone (bottom 25%): 1.02 or lower
  • Yellow zone (middle 50%): 1.02 to 1.90
  • Green zone (top 25%): 1.90 or higher
  • Top 1%: 7.39+
  • Median: 1.45 — half of all investments score higher

How it compares to other similar mutual funds

The table compares MassMutual Core Bond Fund's Sortino Ratio with other mutual funds in the Intermediate Core Bond category across multiple time periods, showing how MCBDX's risk-adjusted performance compares to similar funds.

Data shows 1-, 5-, and 10-year periods, plus each fund's all-time average, as of Apr 1, 2026.


SymbolName1Y Sortino Ratio5Y Sortino Ratio10Y Sortino RatioAll Time Sortino Ratio
PRCIXT. Rowe Price New Income Fund2.67
FEDUXFidelity Education Income Fund2.65
LSSAXLoomis Sayles Securitized Asset Fund2.49
WATIXWestern Asset Intermediate Bond Fund2.28
DFXIXDFA Diversified Fixed Income Portfolio2.27
PCGTXPACE Mortgage-Backed Securities Fixed Income Investments2.24
BIMSXBaird Intermediate Bond Fund2.23
JIBEXJohnson Institutional Intermediate Bond Fund2.15
BIMIXBaird Intermediate Bond Fund Class Institutional2.13
OWFIXOld Westbury Fixed Income Fund2.13
MCBDXMassMutual Core Bond Fund1.63

S&P 500 Index

How to choose period

Historical Sortino Ratio

The chart shows MCBDX's rolling Sortino ratio over time compared to your chosen benchmark. Rising trends indicate improving returns relative to downside risk, while declining trends may signal deteriorating risk-adjusted performance or increased volatility during market stress. Use multiple timeframes to distinguish short-term fluctuations from long-term patterns.

Identify market cycles by observing when MCBDX consistently outperforms (line above benchmark), underperforms (below benchmark), or aligns with the benchmark.


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Explore MCBDX risk-adjusted metrics in detail

Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.