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RFNBX vs. CCSTX
Performance
Return for Risk
Dividends
Drawdowns
Volatility

Performance

RFNBX vs. CCSTX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Funds Fundamental Investors Fund Class R2 (RFNBX) and Capital Group California Short-Term Municipal Fund (CCSTX). The values are adjusted to include any dividend payments, if applicable.

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RFNBX vs. CCSTX - Yearly Performance Comparison


2026 (YTD)202520242023202220212020201920182017
RFNBX
American Funds Fundamental Investors Fund Class R2
-3.54%23.22%21.80%24.89%-17.32%21.49%12.51%26.09%-8.89%21.82%
CCSTX
Capital Group California Short-Term Municipal Fund
-0.12%4.09%2.05%2.50%-2.91%-0.15%2.35%3.02%1.41%1.20%

Returns By Period

In the year-to-date period, RFNBX achieves a -3.54% return, which is significantly lower than CCSTX's -0.12% return. Over the past 10 years, RFNBX has outperformed CCSTX with an annualized return of 12.21%, while CCSTX has yielded a comparatively lower 1.15% annualized return.


RFNBX

1D
2.94%
1M
-7.11%
YTD
-3.54%
6M
-0.28%
1Y
22.29%
3Y*
19.58%
5Y*
11.03%
10Y*
12.21%

CCSTX

1D
0.00%
1M
-1.18%
YTD
-0.12%
6M
0.35%
1Y
2.97%
3Y*
2.44%
5Y*
1.10%
10Y*
1.15%
*Multi-year figures are annualized to reflect compound growth (CAGR)

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RFNBX vs. CCSTX - Expense Ratio Comparison

RFNBX has a 1.36% expense ratio, which is higher than CCSTX's 0.30% expense ratio.


Return for Risk

RFNBX vs. CCSTX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

RFNBX
RFNBX Risk / Return Rank: 6969
Overall Rank
RFNBX Sharpe Ratio Rank: 6262
Sharpe Ratio Rank
RFNBX Sortino Ratio Rank: 6767
Sortino Ratio Rank
RFNBX Omega Ratio Rank: 6161
Omega Ratio Rank
RFNBX Calmar Ratio Rank: 7575
Calmar Ratio Rank
RFNBX Martin Ratio Rank: 7979
Martin Ratio Rank

CCSTX
CCSTX Risk / Return Rank: 8080
Overall Rank
CCSTX Sharpe Ratio Rank: 8585
Sharpe Ratio Rank
CCSTX Sortino Ratio Rank: 8282
Sortino Ratio Rank
CCSTX Omega Ratio Rank: 9696
Omega Ratio Rank
CCSTX Calmar Ratio Rank: 7171
Calmar Ratio Rank
CCSTX Martin Ratio Rank: 6464
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

RFNBX vs. CCSTX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Funds Fundamental Investors Fund Class R2 (RFNBX) and Capital Group California Short-Term Municipal Fund (CCSTX). 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.


RFNBXCCSTXDifference

Sharpe ratio

Return per unit of total volatility

1.28

1.76

-0.48

Sortino ratio

Return per unit of downside risk

1.92

2.29

-0.36

Omega ratio

Gain probability vs. loss probability

1.27

1.55

-0.28

Calmar ratio

Return relative to maximum drawdown

2.04

1.94

+0.10

Martin ratio

Return relative to average drawdown

8.87

7.38

+1.49

RFNBX vs. CCSTX - Sharpe Ratio Comparison

The current RFNBX Sharpe Ratio is 1.28, which is comparable to the CCSTX Sharpe Ratio of 1.76. The chart below compares the historical Sharpe Ratios of RFNBX and CCSTX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


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Sharpe Ratios by Period


RFNBXCCSTXDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

1.28

1.76

-0.48

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.66

0.72

-0.05

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.69

0.73

-0.04

Sharpe Ratio (All Time)

Calculated using the full available price history

0.56

0.64

-0.08

Correlation

The correlation between RFNBX and CCSTX is -0.03. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.


Dividends

RFNBX vs. CCSTX - Dividend Comparison

RFNBX's dividend yield for the trailing twelve months is around 8.18%, more than CCSTX's 2.13% yield.


TTM20252024202320222021202020192018201720162015
RFNBX
American Funds Fundamental Investors Fund Class R2
8.18%7.90%8.19%5.13%4.16%10.27%0.83%6.20%8.38%6.54%3.99%5.32%
CCSTX
Capital Group California Short-Term Municipal Fund
2.13%2.30%2.13%1.54%0.72%1.02%1.45%1.40%1.30%0.90%0.00%0.00%

Drawdowns

RFNBX vs. CCSTX - Drawdown Comparison

The maximum RFNBX drawdown since its inception was -53.81%, which is greater than CCSTX's maximum drawdown of -5.09%. Use the drawdown chart below to compare losses from any high point for RFNBX and CCSTX.


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Drawdown Indicators


RFNBXCCSTXDifference

Max Drawdown

Largest peak-to-trough decline

-53.81%

-5.09%

-48.72%

Max Drawdown (1Y)

Largest decline over 1 year

-11.37%

-1.79%

-9.58%

Max Drawdown (5Y)

Largest decline over 5 years

-25.53%

-5.08%

-20.45%

Max Drawdown (10Y)

Largest decline over 10 years

-33.96%

-5.09%

-28.87%

Current Drawdown

Current decline from peak

-8.15%

-1.27%

-6.88%

Average Drawdown

Average peak-to-trough decline

-7.29%

-0.89%

-6.40%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.61%

0.47%

+2.14%

Volatility

RFNBX vs. CCSTX - Volatility Comparison

American Funds Fundamental Investors Fund Class R2 (RFNBX) has a higher volatility of 6.02% compared to Capital Group California Short-Term Municipal Fund (CCSTX) at 0.54%. This indicates that RFNBX's price experiences larger fluctuations and is considered to be riskier than CCSTX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


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Volatility by Period


RFNBXCCSTXDifference

Volatility (1M)

Calculated over the trailing 1-month period

6.02%

0.54%

+5.48%

Volatility (6M)

Calculated over the trailing 6-month period

11.03%

0.79%

+10.24%

Volatility (1Y)

Calculated over the trailing 1-year period

18.15%

1.80%

+16.35%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

16.73%

1.54%

+15.19%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

17.68%

1.57%

+16.11%