PIREX vs. CMI
PIREX (Principal Real Estate Securities Fund Institutional) is REIT fund tracking the U.S. REIT Linked Index, while CMI (Cummins Inc.) is a stock. Over the past 10 years, PIREX returned 5.98%/yr vs 21.10%/yr for CMI. Their 0.41 correlation means their historical movements had little consistent relationship.
Performance
PIREX vs. CMI - Performance Comparison
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Returns By Period
In the year-to-date period, PIREX achieves a 17.13% return, which is significantly lower than CMI's 25.05% return. Over the past 10 years, PIREX has underperformed CMI with an annualized return of 5.98%, while CMI has yielded a comparatively higher 21.10% annualized return.
PIREX
- 1D
- -1.29%
- 1M
- 1.42%
- 6M
- 14.61%
- YTD
- 17.13%
- 1Y
- 17.43%
- 3Y*
- 9.53%
- 5Y*
- 3.17%
- 10Y*
- 5.98%
- ALL TIME*
- 9.81%
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 |
PIREX vs. CMI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PIREX Principal Real Estate Securities Fund Institutional | 17.13% | 1.21% | 5.43% | 13.32% | -25.23% | 39.62% | -3.32% | 31.14% | -4.34% | 9.00% |
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 PIREX and CMI is 0.14, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.14 |
Correlation (3Y) Balances recent behavior with more history. | 0.30 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.37 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.31 |
Correlation (All Time) Calculated using the full available price history since Feb 28, 2001 | 0.41 |
Over the past year, the correlation between PIREX and CMI has dropped to 0.14 - well below their long-term average of 0.41, suggesting their price drivers have been diverging.
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Return for Risk
PIREX vs. CMI — Risk / Return Rank
PIREX
CMI
PIREX vs. CMI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Principal Real Estate Securities Fund Institutional (PIREX) 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.
| PIREX | CMI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.91 | ||
| Sortino ratioReturn per unit of downside risk | -0.95 | ||
| Omega ratioGain probability vs. loss probability | 1.21 | 1.34 | -0.14 |
| Calmar ratioReturn relative to maximum drawdown | 2.10 | 4.53 | -2.42 |
| Martin ratioReturn relative to average drawdown | 6.65 | 14.48 | -7.83 |
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Drawdowns
PIREX vs. CMI - Drawdown Comparison
The maximum PIREX drawdown since its inception was -69.88%, smaller than the maximum CMI drawdown of -75.66%. Use the drawdown chart below to compare losses from any high point for PIREX and CMI.
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Drawdown Indicators
| PIREX | CMI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -69.88% | -75.66% | +5.78% |
Max Drawdown (1Y)Largest decline over 1 year | -7.44% | -16.71% | +9.27% |
Max Drawdown (3Y)Largest decline over 3 years | -15.67% | -30.48% | +14.81% |
Max Drawdown (5Y)Largest decline over 5 years | -30.84% | -30.48% | -0.36% |
Max Drawdown (10Y)Largest decline over 10 years | -41.22% | -44.05% | +2.83% |
Current DrawdownCurrent decline from peak | -2.28% | -12.84% | +10.56% |
Average DrawdownAverage peak-to-trough decline | -11.22% | -22.17% | +10.95% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.36% | 5.22% | -2.86% |
Volatility
PIREX vs. CMI - Volatility Comparison
The current volatility for Principal Real Estate Securities Fund Institutional (PIREX) is 4.38%, while Cummins Inc. (CMI) has a volatility of 10.87%. This indicates that PIREX 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
| PIREX | CMI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.38% | 10.87% | -6.49% |
Volatility (6M)Calculated over the trailing 6-month period | 10.66% | 31.16% | -20.50% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.56% | 36.45% | -22.89% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.43% | 28.85% | -10.42% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.73% | 28.51% | -8.78% |
Dividends
PIREX vs. CMI - Dividend Comparison
PIREX's dividend yield for the trailing twelve months is around 2.17%, 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% |
PIREX Principal Real Estate Securities Fund Institutional | 2.17% | 2.67% | 4.16% | 2.67% | 3.56% | 4.18% | 2.67% | 3.02% | 4.17% | 3.65% | 4.45% | 6.96% |
Frequently Asked Questions
PIREX and CMI have a correlation of 0.14, 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 PIREX (4.38%). In terms of maximum drawdown, PIREX dropped -69.88% vs CMI's -75.66%.
CMI currently has the higher Sharpe Ratio (2.08 vs 1.16), 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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