CGNAX vs. VTMFX

Last updated Jun 20, 2026

CGNAX (American Funds Growth and Income Portfolio) and VTMFX (Vanguard Tax-Managed Balanced Fund Admiral Shares) are both Diversified Portfolio funds. Over the past 10 years, CGNAX returned 10.83%/yr vs 8.63%/yr for VTMFX. Their correlation of 0.95 suggests significant overlap in exposure. CGNAX charges 0.36%/yr vs 0.05%/yr for VTMFX.

Performance

CGNAX vs. VTMFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Funds Growth and Income Portfolio (CGNAX) and Vanguard Tax-Managed Balanced Fund Admiral Shares (VTMFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CGNAX achieves a 8.89% return, which is significantly higher than VTMFX's 5.44% return. Over the past 10 years, CGNAX has outperformed VTMFX with an annualized return of 10.83%, while VTMFX has yielded a comparatively lower 8.63% annualized return.

CGNAX

• 1D: 0.83%
• 1M: 1.89%
• YTD: 8.89%
• 6M: 9.49%
• 1Y: 21.31%
• 3Y*: 16.65%
• 5Y*: 9.54%
• 10Y*: 10.83%

VTMFX

• 1D: 0.57%
• 1M: 1.20%
• YTD: 5.44%
• 6M: 5.61%
• 1Y: 15.82%
• 3Y*: 11.93%
• 5Y*: 7.23%
• 10Y*: 8.63%

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

CGNAX vs. VTMFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CGNAX American Funds Growth and Income Portfolio	8.89%	17.85%	14.51%	18.73%	-15.96%	16.36%	16.31%	21.78%	-5.88%	18.99%
VTMFX Vanguard Tax-Managed Balanced Fund Admiral Shares	5.44%	11.28%	12.17%	15.55%	-12.69%	13.10%	13.31%	18.01%	-1.40%	12.61%

Correlation

The correlation between CGNAX and VTMFX is 0.96 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.96
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (5Y) Calculated over the trailing 5-year period	0.96
Correlation (10Y) Calculated over the trailing 10-year period	0.95
Correlation (All Time) Calculated using the full available price history since May 21, 2012	0.95

The correlation between CGNAX and VTMFX has been stable across timeframes, ranging from 0.95 to 0.96 - a consistent structural relationship.

Return for Risk

CGNAX vs. VTMFX — Risk / Return Rank

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

CGNAX

CGNAX Risk / Return Rank: 57
CGNAX Sharpe Ratio Rank: 56
CGNAX Sortino Ratio Rank: 55
CGNAX Omega Ratio Rank: 57
CGNAX Calmar Ratio Rank: 51
CGNAX Martin Ratio Rank: 64

VTMFX

VTMFX Risk / Return Rank: 79
VTMFX Sharpe Ratio Rank: 83
VTMFX Sortino Ratio Rank: 81
VTMFX Omega Ratio Rank: 80
VTMFX Calmar Ratio Rank: 68
VTMFX Martin Ratio Rank: 82

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.

CGNAX vs. VTMFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Funds Growth and Income Portfolio (CGNAX) and Vanguard Tax-Managed Balanced Fund Admiral Shares (VTMFX). 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	VTMFX	Difference
Sharpe ratio: Return per unit of total volatility	1.98	2.45	-0.47
Sortino ratio: Return per unit of downside risk	2.79	3.45	-0.66
Omega ratio: Gain probability vs. loss probability	1.37	1.47	-0.10
Calmar ratio: Return relative to maximum drawdown	2.56	2.93	-0.38
Martin ratio: Return relative to average drawdown	11.39	13.72	-2.34

CGNAX vs. VTMFX - Sharpe Ratio Comparison

The current CGNAX Sharpe Ratio is 1.98, which is comparable to the VTMFX Sharpe Ratio of 2.45. The chart below compares the historical Sharpe Ratios of CGNAX and VTMFX, 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. VTMFX - Drawdown Comparison

The maximum CGNAX drawdown since its inception was -26.56%, smaller than the maximum VTMFX drawdown of -28.49%. Use the drawdown chart below to compare losses from any high point for CGNAX and VTMFX.

Drawdown Indicators

	CGNAX	VTMFX	Difference
Max Drawdown Largest peak-to-trough decline	-26.56%	-28.49%	+1.93%
Max Drawdown (1Y) Largest decline over 1 year	-8.28%	-5.38%	-2.90%
Max Drawdown (3Y) Largest decline over 3 years	-13.09%	-10.61%	-2.48%
Max Drawdown (5Y) Largest decline over 5 years	-23.14%	-17.40%	-5.74%
Max Drawdown (10Y) Largest decline over 10 years	-26.56%	-21.87%	-4.69%
Current Drawdown Current decline from peak	-0.22%	-0.56%	+0.34%
Average Drawdown Average peak-to-trough decline	-3.44%	-3.54%	+0.10%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.85%	1.15%	+0.70%

Volatility

CGNAX vs. VTMFX - Volatility Comparison

American Funds Growth and Income Portfolio (CGNAX) has a higher volatility of 4.11% compared to Vanguard Tax-Managed Balanced Fund Admiral Shares (VTMFX) at 2.50%. This indicates that CGNAX's price experiences larger fluctuations and is considered to be riskier than VTMFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CGNAX	VTMFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.11%	2.50%	+1.61%
Volatility (6M) Calculated over the trailing 6-month period	8.78%	5.21%	+3.57%
Volatility (1Y) Calculated over the trailing 1-year period	10.68%	6.45%	+4.23%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.69%	8.57%	+4.12%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.23%	9.15%	+4.08%

CGNAX vs. VTMFX - Expense Ratio Comparison

CGNAX has a 0.36% expense ratio, which is higher than VTMFX's 0.05% expense ratio.

Dividends

CGNAX vs. VTMFX - Dividend Comparison

CGNAX's dividend yield for the trailing twelve months is around 5.03%, more than VTMFX's 2.12% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CGNAX American Funds Growth and Income Portfolio	5.03%	5.48%	4.79%	2.78%	6.42%	5.11%	3.97%	5.48%	6.06%	3.40%	4.30%	4.51%
VTMFX Vanguard Tax-Managed Balanced Fund Admiral Shares	2.12%	2.14%	2.08%	1.94%	1.85%	1.38%	1.72%	2.05%	2.22%	2.00%	2.13%	2.06%

Frequently Asked Questions

Can I hold both CGNAX and VTMFX in my portfolio?

With a correlation of 0.96, CGNAX and VTMFX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, CGNAX or VTMFX?

CGNAX has higher volatility (4.11%) compared to VTMFX (2.50%). In terms of maximum drawdown, CGNAX dropped -26.56% vs VTMFX's -28.49%.

Which has better risk-adjusted returns?

VTMFX currently has the higher Sharpe Ratio (2.45 vs 1.98), 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.