CFSTX vs. RFBAX
CFSTX (Commerce Short Term Government Fund) and RFBAX (Davis Government Bond Fund) are both Government Bonds funds. Over the past 10 years, CFSTX returned 1.11%/yr vs 1.09%/yr for RFBAX. Their 0.65 correlation means they have sometimes moved together and sometimes differently. CFSTX charges 0.68%/yr vs 1.00%/yr for RFBAX.
Performance
CFSTX vs. RFBAX - Performance Comparison
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Returns By Period
In the year-to-date period, CFSTX achieves a -0.75% return, which is significantly lower than RFBAX's 1.14% return. Both investments have delivered pretty close results over the past 10 years, with CFSTX having a 1.11% annualized return and RFBAX not far behind at 1.09%.
CFSTX
- 1D
- 0.06%
- 1M
- -0.43%
- 6M
- -1.02%
- YTD
- -0.75%
- 1Y
- 1.02%
- 3Y*
- 3.38%
- 5Y*
- 0.73%
- 10Y*
- 1.11%
- ALL TIME*
- 2.39%
RFBAX
- 1D
- 0.19%
- 1M
- 0.00%
- 6M
- 0.88%
- YTD
- 1.14%
- 1Y
- 2.81%
- 3Y*
- 3.91%
- 5Y*
- 1.34%
- 10Y*
- 1.09%
- ALL TIME*
- 2.62%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
CFSTX vs. RFBAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CFSTX Commerce Short Term Government Fund | -0.75% | 5.25% | 3.12% | 4.28% | -6.59% | -1.19% | 3.09% | 3.56% | 1.01% | 0.84% |
RFBAX Davis Government Bond Fund | 1.14% | 4.49% | 4.33% | 3.63% | -5.29% | -1.48% | 1.69% | 3.23% | 0.42% | 0.21% |
Correlation
The correlation between CFSTX and RFBAX is 0.56, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.56 |
Correlation (3Y) Balances recent behavior with more history. | 0.56 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.64 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.59 |
Correlation (All Time) Calculated using the full available price history since Jun 20, 1996 | 0.65 |
The correlation between CFSTX and RFBAX has been stable across timeframes, ranging from 0.56 to 0.65 - a consistent structural relationship.
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Return for Risk
CFSTX vs. RFBAX — Risk / Return Rank
CFSTX
RFBAX
CFSTX vs. RFBAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Commerce Short Term Government Fund (CFSTX) and Davis Government Bond Fund (RFBAX). 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.
| CFSTX | RFBAX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.89 | ||
| Sortino ratioReturn per unit of downside risk | -1.53 | ||
| Omega ratioGain probability vs. loss probability | 1.16 | 1.49 | -0.33 |
| Calmar ratioReturn relative to maximum drawdown | 0.88 | 4.27 | -3.39 |
| Martin ratioReturn relative to average drawdown | 2.14 | 15.95 | -13.81 |
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Drawdowns
CFSTX vs. RFBAX - Drawdown Comparison
The maximum CFSTX drawdown since its inception was -9.02%, which is greater than RFBAX's maximum drawdown of -8.03%. Use the drawdown chart below to compare losses from any high point for CFSTX and RFBAX.
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Drawdown Indicators
| CFSTX | RFBAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -9.02% | -8.03% | -0.99% |
Max Drawdown (1Y)Largest decline over 1 year | -1.87% | -0.77% | -1.10% |
Max Drawdown (3Y)Largest decline over 3 years | -1.87% | -0.88% | -0.99% |
Max Drawdown (5Y)Largest decline over 5 years | -8.97% | -7.50% | -1.47% |
Max Drawdown (10Y)Largest decline over 10 years | -9.02% | -8.03% | -0.99% |
Current DrawdownCurrent decline from peak | -1.75% | -0.19% | -1.56% |
Average DrawdownAverage peak-to-trough decline | -0.97% | -1.18% | +0.21% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.76% | 0.21% | +0.55% |
Volatility
CFSTX vs. RFBAX - Volatility Comparison
The current volatility for Commerce Short Term Government Fund (CFSTX) is 0.38%, while Davis Government Bond Fund (RFBAX) has a volatility of 0.53%. This indicates that CFSTX experiences smaller price fluctuations and is considered to be less risky than RFBAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| CFSTX | RFBAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.38% | 0.53% | -0.15% |
Volatility (6M)Calculated over the trailing 6-month period | 1.50% | 1.36% | +0.14% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.85% | 1.86% | -0.01% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.36% | 2.12% | +0.24% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 1.98% | 1.78% | +0.20% |
CFSTX vs. RFBAX - Expense Ratio Comparison
CFSTX has a 0.68% expense ratio, which is lower than RFBAX's 1.00% expense ratio.
Dividends
CFSTX vs. RFBAX - Dividend Comparison
CFSTX's dividend yield for the trailing twelve months is around 2.47%, less than RFBAX's 2.78% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CFSTX Commerce Short Term Government Fund | 2.47% | 2.26% | 1.62% | 2.05% | 1.30% | 1.53% | 1.99% | 2.44% | 1.94% | 1.61% | 1.69% | 1.40% |
RFBAX Davis Government Bond Fund | 2.78% | 3.01% | 3.23% | 2.15% | 0.80% | 0.57% | 0.93% | 1.67% | 1.17% | 0.59% | 0.68% | 0.75% |
Frequently Asked Questions
CFSTX and RFBAX have a correlation of 0.56, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
RFBAX has higher volatility (0.53%) compared to CFSTX (0.38%). In terms of maximum drawdown, CFSTX dropped -9.02% vs RFBAX's -8.03%.
RFBAX currently has the higher Sharpe Ratio (1.78 vs 0.89), 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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