CMPGX vs. PRGMX
Compare and contrast key facts about Principal Government & High Quality Bond Fund (CMPGX) and T. Rowe Price GNMA Fund (PRGMX).
CMPGX is managed by Principal Funds. It was launched on May 3, 1984. PRGMX is managed by T. Rowe Price. It was launched on Nov 25, 1985.
Performance
CMPGX vs. PRGMX - Performance Comparison
Loading graphics...
CMPGX vs. PRGMX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CMPGX Principal Government & High Quality Bond Fund | 0.03% | 7.56% | 0.46% | 3.98% | -12.34% | -1.80% | 2.50% | 6.12% | 0.52% | 1.36% |
PRGMX T. Rowe Price GNMA Fund | 0.87% | 10.46% | 0.92% | 5.62% | -11.45% | -2.18% | 4.21% | 5.18% | 0.58% | 1.23% |
Returns By Period
In the year-to-date period, CMPGX achieves a 0.03% return, which is significantly lower than PRGMX's 0.87% return. Over the past 10 years, CMPGX has underperformed PRGMX with an annualized return of 0.61%, while PRGMX has yielded a comparatively higher 1.40% annualized return.
CMPGX
- 1D
- 0.33%
- 1M
- -1.62%
- YTD
- 0.03%
- 6M
- 0.99%
- 1Y
- 4.22%
- 3Y*
- 3.09%
- 5Y*
- -0.55%
- 10Y*
- 0.61%
PRGMX
- 1D
- 0.24%
- 1M
- -1.44%
- YTD
- 0.87%
- 6M
- 2.89%
- 1Y
- 7.97%
- 3Y*
- 4.79%
- 5Y*
- 0.72%
- 10Y*
- 1.40%
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
CMPGX vs. PRGMX - Expense Ratio Comparison
CMPGX has a 0.78% expense ratio, which is higher than PRGMX's 0.58% expense ratio.
Return for Risk
CMPGX vs. PRGMX — Risk / Return Rank
CMPGX
PRGMX
CMPGX vs. PRGMX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Principal Government & High Quality Bond Fund (CMPGX) and T. Rowe Price GNMA Fund (PRGMX). 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.
| CMPGX | PRGMX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.93 | 1.77 | -0.83 |
Sortino ratioReturn per unit of downside risk | 1.32 | 2.53 | -1.22 |
Omega ratioGain probability vs. loss probability | 1.17 | 1.33 | -0.16 |
Calmar ratioReturn relative to maximum drawdown | 1.52 | 3.01 | -1.49 |
Martin ratioReturn relative to average drawdown | 4.29 | 8.77 | -4.48 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading graphics...
Sharpe Ratios by Period
| CMPGX | PRGMX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.93 | 1.77 | -0.83 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.08 | 0.11 | -0.20 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.12 | 0.30 | -0.17 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.83 | 0.94 | -0.11 |
Correlation
The correlation between CMPGX and PRGMX is 0.85, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
CMPGX vs. PRGMX - Dividend Comparison
CMPGX's dividend yield for the trailing twelve months is around 3.23%, less than PRGMX's 6.90% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CMPGX Principal Government & High Quality Bond Fund | 3.23% | 3.44% | 2.84% | 2.19% | 1.35% | 1.08% | 2.00% | 2.43% | 2.65% | 3.30% | 3.76% | 2.96% |
PRGMX T. Rowe Price GNMA Fund | 6.90% | 6.52% | 3.54% | 3.54% | 1.38% | 0.59% | 1.44% | 2.39% | 2.78% | 2.98% | 2.88% | 3.12% |
Drawdowns
CMPGX vs. PRGMX - Drawdown Comparison
The maximum CMPGX drawdown since its inception was -19.56%, which is greater than PRGMX's maximum drawdown of -18.22%. Use the drawdown chart below to compare losses from any high point for CMPGX and PRGMX.
Loading graphics...
Drawdown Indicators
| CMPGX | PRGMX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -19.56% | -18.22% | -1.34% |
Max Drawdown (1Y)Largest decline over 1 year | -3.35% | -2.93% | -0.42% |
Max Drawdown (5Y)Largest decline over 5 years | -19.17% | -17.70% | -1.47% |
Max Drawdown (10Y)Largest decline over 10 years | -19.56% | -18.22% | -1.34% |
Current DrawdownCurrent decline from peak | -3.64% | -1.91% | -1.73% |
Average DrawdownAverage peak-to-trough decline | -2.41% | -2.25% | -0.16% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.19% | 1.00% | +0.19% |
Volatility
CMPGX vs. PRGMX - Volatility Comparison
Principal Government & High Quality Bond Fund (CMPGX) has a higher volatility of 1.93% compared to T. Rowe Price GNMA Fund (PRGMX) at 1.74%. This indicates that CMPGX's price experiences larger fluctuations and is considered to be riskier than PRGMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading graphics...
Volatility by Period
| CMPGX | PRGMX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.93% | 1.74% | +0.19% |
Volatility (6M)Calculated over the trailing 6-month period | 2.81% | 2.76% | +0.05% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.93% | 4.77% | +0.16% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.59% | 6.33% | +0.26% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.94% | 4.73% | +0.21% |