- ISIN
- US57629E4153
- Issuer
- MassMutual
- Inception Date
- Dec 30, 2003
- Category
- Inflation-Protected Bonds
- Min. Investment
- $0
- Distribution Policy
- Distributing
- Asset Class
- Bond
Share Price Chart
Loading charts...
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Performance
MPSAX Performance Chart
MassMutual Inflation-Protected and Income Fund (MPSAX) is up 0.8% since the beginning of the year. MPSAX is currently trading at $9 per share. Investors who bought $1,000 worth of MPSAX shares 5 years ago would now be looking at an investment worth $1,144.
Loading charts...
Returns By Period
MassMutual Inflation-Protected and Income Fund (MPSAX) has returned 0.82% so far this year and 2.77% over the past 12 months. Over the last ten years, MPSAX has returned 3.37% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.
MassMutual Inflation-Protected and Income Fund
- 1D
- 0.11%
- 1M
- 0.32%
- YTD
- 0.82%
- 6M
- 1.21%
- 1Y
- 2.77%
- 3Y*
- 2.93%
- 5Y*
- 2.72%
- 10Y*
- 3.37%
Benchmark (S&P 500 Index)
- 1D
- -0.37%
- 1M
- -0.01%
- YTD
- 9.16%
- 6M
- 8.64%
- 1Y
- 25.22%
- 3Y*
- 19.78%
- 5Y*
- 11.99%
- 10Y*
- 13.88%
MPSAX Monthly Returns History
Based on dividend-adjusted daily data since Dec 31, 2003, MPSAX's average daily return is +0.01%, while the average monthly return is +0.29%. At this rate, an investment would double in approximately 19.9 years.
Historically, 61% of months were positive and 39% were negative. The best month was Dec 2021 with a return of +13.8%, while the worst month was Oct 2008 at -8.8%. The longest winning streak lasted 7 consecutive months, and the longest losing streak was 4 months.
On a daily basis, MPSAX closed higher 45% of trading days. The best single day was Dec 15, 2021 with a return of +21.2%, while the worst single day was Dec 16, 2021 at -6.1%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0.45% | 1.06% | -1.10% | 1.19% | 0.10% | -0.86% | 0.82% | ||||||
| 2025 | 1.45% | 2.09% | 0.49% | -0.09% | -0.36% | 0.86% | 0.19% | 1.39% | -0.23% | 0.18% | 0.03% | -0.58% | 5.50% |
| 2024 | 0.44% | -1.52% | 0.55% | -2.19% | 1.34% | 0.44% | 1.76% | 0.80% | 1.59% | -1.76% | 0.48% | -1.84% | -0.02% |
| 2023 | 2.12% | -1.31% | 2.77% | 0.22% | -1.18% | -0.33% | 0.33% | -0.54% | -1.86% | -0.67% | 2.69% | 2.75% | 4.93% |
| 2022 | -2.14% | 0.57% | -2.08% | -2.03% | -1.08% | -3.69% | 4.14% | -2.19% | -6.81% | 0.76% | 0.87% | -0.57% | -13.72% |
| 2021 | 0.55% | -1.74% | -0.00% | 1.40% | 1.20% | 0.64% | 2.62% | -0.18% | -0.80% | 1.07% | 0.88% | 13.79% | 20.31% |
Benchmark Metrics
MassMutual Inflation-Protected and Income Fund has an annualized alpha of 3.95%, beta of -0.03, and R2 of 0.00 versus S&P 500 Index. Calculated based on daily prices since December 31, 2003.
- This fund participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (13.85%) than losses (4.72%) - typical of diversified or defensive assets.
- Beta of -0.03 may look defensive, but with R2 of 0.00 this fund is largely uncorrelated with S&P 500 Index - low beta reflects independence, not downside protection. See the Volatility section for a true picture of this fund's risk.
- R2 of 0.00 means this fund moves largely independently of S&P 500 Index - capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.
- Alpha
- 3.95%
- Beta
- -0.03
- R²
- 0.00
- Upside Capture
- 13.85%
- Downside Capture
- 4.72%
Expense Ratio
MPSAX has a high expense ratio of 1.02%, indicating above-average management fees.
Return for Risk
Risk / Return Rank
MPSAX ranks 13 for risk / return — in the bottom 13% of mutual funds on our site. This means you're taking on significantly more risk than the returns justify. Consider whether the potential upside is worth the volatility, or explore alternatives with better risk / return profiles.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for MassMutual Inflation-Protected and Income Fund (MPSAX) and compare them to S&P 500 Index.
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.
| MPSAX | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.18 | ||
| Sortino ratioReturn per unit of downside risk | -1.49 | ||
| Omega ratioGain probability vs. loss probability | 1.15 | 1.37 | -0.22 |
| Calmar ratioReturn relative to maximum drawdown | 1.42 | 2.78 | -1.36 |
| Martin ratioReturn relative to average drawdown | 3.38 | 12.44 | -9.06 |
Dividends
Dividend History
MassMutual Inflation-Protected and Income Fund provided a 3.43% dividend yield over the last twelve months, with an annual payout of $0.31 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.31 | $0.32 | $0.13 | $0.23 | $0.30 | $1.99 | $0.56 | $0.16 | $0.26 | $0.24 | $0.23 | $0.06 |
Dividend yield | 3.43% | 3.51% | 1.44% | 2.47% | 3.34% | 18.54% | 5.13% | 1.59% | 2.68% | 2.34% | 2.23% | 0.61% |
Monthly Dividends
The table displays the monthly dividend distributions for MassMutual Inflation-Protected and Income Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.01 | $0.02 | $0.03 | $0.03 | $0.04 | $0.00 | $0.13 | ||||||
| 2025 | $0.02 | $0.02 | $0.04 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.02 | $0.03 | $0.32 |
| 2024 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.03 | $0.02 | $0.03 | $0.03 | $0.02 | $0.00 | $0.13 |
| 2023 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.23 | $0.23 |
| 2022 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.30 | $0.30 |
| 2021 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $1.99 | $1.99 |
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
Loading charts...
Worst Drawdowns
The table below displays the maximum drawdowns of the MassMutual Inflation-Protected and Income Fund. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the MassMutual Inflation-Protected and Income Fund was 19.35%, occurring on Nov 9, 2022. The portfolio has not yet recovered.
The current MassMutual Inflation-Protected and Income Fund drawdown is 8.65%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
Bear market2022 | -19.35%Nov 2022 | 10mo 28d | — | 4y 6moDec 2021 - now |
Financial crisis2007–2009 | -15.03%Nov 2008 | 8mo 18d | 10mo 29d | 1y 7moMar 2008 - Oct 2009 |
2013 correction2013 | -14.39%Dec 2013 | 1y 16d | 6y 1mo | 7y 1moDec 2012 - Jan 2020 |
COVID crash2020 | -11.38%Mar 2020 | 9d | 4mo 4d | 4mo 13dMar 2020 - Jul 2020 |
2004 pullback2004 | -6.44%May 2004 | 1mo 20d | 5mo 16d | 7mo 6dMar 2004 - Oct 2004 |
Drawdown Indicators
| MPSAX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -19.35% | -56.78% | +37.43% |
Max Drawdown (1Y)Largest decline over 1 year | -2.04% | -9.10% | +7.06% |
Max Drawdown (3Y)Largest decline over 3 years | -4.01% | -18.90% | +14.89% |
Max Drawdown (5Y)Largest decline over 5 years | -19.35% | -25.43% | +6.08% |
Max Drawdown (10Y)Largest decline over 10 years | -19.35% | -33.92% | +14.57% |
Current DrawdownCurrent decline from peak | -8.65% | -1.80% | -6.85% |
Average DrawdownAverage peak-to-trough decline | -6.19% | -10.71% | +4.52% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.86% | 2.03% | -1.17% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
Loading charts...
Build a portfolio with MPSAX
Add MassMutual Inflation-Protected and Income Fund to a portfolio and analyze allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Analyzer with MPSAX