CGNAX vs. RPFCX

Last updated Aug 1, 2026

CGNAX (American Funds Growth and Income Portfolio) and RPFCX (Davis Appreciation & Income Fund) are both Diversified Portfolio funds. Over the past 10 years, CGNAX returned 10.37%/yr vs 10.69%/yr for RPFCX. Their correlation of 0.85 means they have usually moved in the same direction. CGNAX charges 0.36%/yr vs 1.00%/yr for RPFCX.

Performance

CGNAX vs. RPFCX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Funds Growth and Income Portfolio (CGNAX) and Davis Appreciation & Income Fund (RPFCX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CGNAX achieves a 7.56% return, which is significantly lower than RPFCX's 14.17% return. Both investments have delivered pretty close results over the past 10 years, with CGNAX having a 10.37% annualized return and RPFCX not far ahead at 10.69%.

CGNAX

• 1D: 1.38%
• 1M: -0.91%
• 6M: 5.05%
• YTD: 7.56%
• 1Y: 16.03%
• 3Y*: 15.02%
• 5Y*: 8.73%
• 10Y*: 10.37%
• ALL TIME*: 10.43%

RPFCX

• 1D: 0.24%
• 1M: 1.63%
• 6M: 11.35%
• YTD: 14.17%
• 1Y: 29.00%
• 3Y*: 16.53%
• 5Y*: 10.09%
• 10Y*: 10.69%
• ALL TIME*: 8.48%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
CGNAX American Funds Growth and Income Portfolio	$0.00	$0.00	$0.00
RPFCX Davis Appreciation & Income Fund	$0.00	$0.00	$0.00

CGNAX vs. RPFCX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CGNAX American Funds Growth and Income Portfolio	7.56%	17.85%	14.51%	18.73%	-15.96%	16.36%	16.31%	21.78%	-5.88%	18.99%
RPFCX Davis Appreciation & Income Fund	14.17%	20.90%	9.10%	23.00%	-15.65%	25.74%	4.74%	20.33%	-8.02%	16.35%

Correlation

The correlation between CGNAX and RPFCX is 0.70, 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.	0.70
Correlation (3Y) Balances recent behavior with more history.	0.79
Correlation (5Y) Shows whether the relationship held over a longer period.	0.85
Correlation (10Y) Provides a long-term view across more market conditions.	0.85
Correlation (All Time) Calculated using the full available price history since May 21, 2012	0.85

The correlation between CGNAX and RPFCX shifts across timeframes, from 0.70 (1 year) to 0.85 (10 years), reflecting how their relationship changes across market environments.

Return for Risk

CGNAX vs. RPFCX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

CGNAX

CGNAX Risk / Return Rank: 52
CGNAX Sharpe Ratio Rank: 52
CGNAX Sortino Ratio Rank: 51
CGNAX Omega Ratio Rank: 51
CGNAX Calmar Ratio Rank: 46
CGNAX Martin Ratio Rank: 60

RPFCX

RPFCX Risk / Return Rank: 95
RPFCX Sharpe Ratio Rank: 98
RPFCX Sortino Ratio Rank: 96
RPFCX Omega Ratio Rank: 93
RPFCX Calmar Ratio Rank: 94
RPFCX Martin Ratio Rank: 95

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

CGNAX vs. RPFCX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Funds Growth and Income Portfolio (CGNAX) and Davis Appreciation & Income Fund (RPFCX). 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.

	CGNAX	RPFCX	Difference
Sharpe ratio: Return per unit of total volatility	1.35	2.98	-1.63
Sortino ratio: Return per unit of downside risk	1.93	4.27	-2.34
Omega ratio: Gain probability vs. loss probability	1.25	1.54	-0.29
Calmar ratio: Return relative to maximum drawdown	1.78	3.99	-2.21
Martin ratio: Return relative to average drawdown	7.75	15.92	-8.17

CGNAX vs. RPFCX - Sharpe Ratio Comparison

The current CGNAX Sharpe Ratio is 1.35, which is lower than the RPFCX Sharpe Ratio of 2.98. The chart below compares the historical Sharpe Ratios of CGNAX and RPFCX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

CGNAX vs. RPFCX - Drawdown Comparison

The maximum CGNAX drawdown since its inception was -26.56%, smaller than the maximum RPFCX drawdown of -56.39%. Use the drawdown chart below to compare losses from any high point for CGNAX and RPFCX.

Drawdown Indicators

	CGNAX	RPFCX	Difference
Max Drawdown Largest peak-to-trough decline	-26.56%	-56.39%	+29.83%
Max Drawdown (1Y) Largest decline over 1 year	-8.28%	-6.76%	-1.52%
Max Drawdown (3Y) Largest decline over 3 years	-13.09%	-14.82%	+1.73%
Max Drawdown (5Y) Largest decline over 5 years	-23.14%	-25.63%	+2.49%
Max Drawdown (10Y) Largest decline over 10 years	-26.56%	-30.72%	+4.16%
Current Drawdown Current decline from peak	-1.56%	-0.39%	-1.17%
Average Drawdown Average peak-to-trough decline	-3.42%	-7.40%	+3.98%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.90%	1.70%	+0.20%

Volatility

CGNAX vs. RPFCX - Volatility Comparison

American Funds Growth and Income Portfolio (CGNAX) has a higher volatility of 2.87% compared to Davis Appreciation & Income Fund (RPFCX) at 2.02%. This indicates that CGNAX's price experiences larger fluctuations and is considered to be riskier than RPFCX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CGNAX	RPFCX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.87%	2.02%	+0.85%
Volatility (6M) Calculated over the trailing 6-month period	8.91%	6.74%	+2.17%
Volatility (1Y) Calculated over the trailing 1-year period	10.92%	9.05%	+1.87%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.71%	14.04%	-1.33%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.16%	14.75%	-1.59%

CGNAX vs. RPFCX - Expense Ratio Comparison

CGNAX has a 0.36% expense ratio, which is lower than RPFCX's 1.00% expense ratio.

Dividends

CGNAX vs. RPFCX - Dividend Comparison

CGNAX's dividend yield for the trailing twelve months is around 5.25%, less than RPFCX's 5.67% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CGNAX American Funds Growth and Income Portfolio	5.25%	5.48%	4.79%	2.78%	6.42%	5.11%	3.97%	5.48%	6.06%	3.40%	4.30%	4.51%
RPFCX Davis Appreciation & Income Fund	5.67%	6.09%	1.11%	2.91%	2.63%	0.28%	0.78%	2.03%	1.09%	0.83%	1.09%	1.19%

Frequently Asked Questions

Can I hold both CGNAX and RPFCX in my portfolio?

CGNAX and RPFCX have a correlation of 0.70, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CGNAX or RPFCX?

CGNAX has higher volatility (2.87%) compared to RPFCX (2.02%). In terms of maximum drawdown, CGNAX dropped -26.56% vs RPFCX's -56.39%.

Which has better risk-adjusted returns?

RPFCX currently has the higher Sharpe Ratio (2.98 vs 1.35), 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.