EIRRX vs. CMI
EIRRX (Eaton Vance Short Duration Inflation-Protected Income Fund) is Inflation-Protected Bonds fund managed by Eaton Vance, while CMI (Cummins Inc.) is a stock. Over the past 10 years, EIRRX returned 3.73%/yr vs 21.10%/yr for CMI. Their 0.11 correlation means their historical movements had little consistent relationship.
Performance
EIRRX vs. CMI - Performance Comparison
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Returns By Period
In the year-to-date period, EIRRX achieves a 1.27% return, which is significantly lower than CMI's 25.05% return. Over the past 10 years, EIRRX has underperformed CMI with an annualized return of 3.73%, while CMI has yielded a comparatively higher 21.10% annualized return.
EIRRX
- 1D
- 0.00%
- 1M
- 0.20%
- 6M
- 0.77%
- YTD
- 1.27%
- 1Y
- 2.33%
- 3Y*
- 4.83%
- 5Y*
- 3.31%
- 10Y*
- 3.73%
- ALL TIME*
- 2.81%
CMI
- 1D
- 0.19%
- 1M
- -4.16%
- 6M
- 10.28%
- YTD
- 25.05%
- 1Y
- 81.08%
- 3Y*
- 36.66%
- 5Y*
- 25.16%
- 10Y*
- 21.10%
- ALL TIME*
- 13.13%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
CMI Cummins Inc. | $594.50M | $582.86M | $699.47M |
| $0.00 | $0.00 | $0.00 |
EIRRX vs. CMI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
EIRRX Eaton Vance Short Duration Inflation-Protected Income Fund | 1.27% | 4.63% | 5.65% | 6.33% | -3.08% | 7.84% | 5.25% | 5.60% | -0.15% | 1.94% |
CMI Cummins Inc. | 25.05% | 49.36% | 48.92% | 1.72% | 14.09% | -1.68% | 30.50% | 38.04% | -22.06% | 32.74% |
Correlation
The correlation between EIRRX and CMI is 0.08, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.08 |
Correlation (3Y) Balances recent behavior with more history. | 0.06 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.09 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.10 |
Correlation (All Time) Calculated using the full available price history since Aug 3, 2012 | 0.11 |
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Return for Risk
EIRRX vs. CMI — Risk / Return Rank
EIRRX
CMI
EIRRX vs. CMI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Eaton Vance Short Duration Inflation-Protected Income Fund (EIRRX) and Cummins Inc. (CMI). 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.
| EIRRX | CMI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.61 | ||
| Sortino ratioReturn per unit of downside risk | -0.39 | ||
| Omega ratioGain probability vs. loss probability | 1.32 | 1.34 | -0.03 |
| Calmar ratioReturn relative to maximum drawdown | 2.75 | 4.53 | -1.78 |
| Martin ratioReturn relative to average drawdown | 8.19 | 14.48 | -6.29 |
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Drawdowns
EIRRX vs. CMI - Drawdown Comparison
The maximum EIRRX drawdown since its inception was -10.27%, smaller than the maximum CMI drawdown of -75.66%. Use the drawdown chart below to compare losses from any high point for EIRRX and CMI.
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Drawdown Indicators
| EIRRX | CMI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -10.27% | -75.66% | +65.39% |
Max Drawdown (1Y)Largest decline over 1 year | -0.89% | -16.71% | +15.82% |
Max Drawdown (3Y)Largest decline over 3 years | -1.67% | -30.48% | +28.81% |
Max Drawdown (5Y)Largest decline over 5 years | -6.22% | -30.48% | +24.26% |
Max Drawdown (10Y)Largest decline over 10 years | -10.27% | -44.05% | +33.78% |
Current DrawdownCurrent decline from peak | -0.47% | -12.84% | +12.37% |
Average DrawdownAverage peak-to-trough decline | -0.99% | -22.17% | +21.18% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.30% | 5.22% | -4.92% |
Volatility
EIRRX vs. CMI - Volatility Comparison
The current volatility for Eaton Vance Short Duration Inflation-Protected Income Fund (EIRRX) is 0.48%, while Cummins Inc. (CMI) has a volatility of 10.87%. This indicates that EIRRX experiences smaller price fluctuations and is considered to be less risky than CMI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| EIRRX | CMI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.48% | 10.87% | -10.39% |
Volatility (6M)Calculated over the trailing 6-month period | 1.36% | 31.16% | -29.80% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.66% | 36.45% | -34.79% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.84% | 28.85% | -26.01% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.77% | 28.51% | -25.74% |
Dividends
EIRRX vs. CMI - Dividend Comparison
EIRRX's dividend yield for the trailing twelve months is around 5.28%, more than CMI's 1.26% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CMI Cummins Inc. | 1.26% | 1.50% | 2.01% | 2.71% | 2.49% | 2.57% | 2.33% | 2.74% | 3.32% | 2.38% | 2.93% | 3.99% |
EIRRX Eaton Vance Short Duration Inflation-Protected Income Fund | 5.28% | 3.57% | 4.08% | 4.50% | 5.07% | 3.54% | 2.21% | 2.66% | 2.91% | 2.13% | 2.24% | 2.05% |
Frequently Asked Questions
EIRRX and CMI have a correlation of 0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CMI has higher volatility (10.87%) compared to EIRRX (0.48%). In terms of maximum drawdown, EIRRX dropped -10.27% vs CMI's -75.66%.
CMI currently has the higher Sharpe Ratio (2.08 vs 1.47), 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.
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