DOXGX vs. ACIIX

Last updated Aug 1, 2026

DOXGX (Dodge & Cox Stock Fund Class X) and ACIIX (American Century Equity Income Fund Class I) are both mutual funds - DOXGX is a Large Cap Value Equities fund actively managed by Dodge & Cox, while ACIIX is a Dividend fund managed by American Century. Over the past 3 years, DOXGX returned 14.13%/yr vs 11.90%/yr for ACIIX. Their correlation of 0.85 means they have usually moved in the same direction. DOXGX charges 0.41%/yr vs 0.72%/yr for ACIIX.

Performance

DOXGX vs. ACIIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Dodge & Cox Stock Fund Class X (DOXGX) and American Century Equity Income Fund Class I (ACIIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DOXGX achieves a 9.20% return, which is significantly lower than ACIIX's 13.38% return.

DOXGX

• 1D: -0.11%
• 1M: 2.59%
• 6M: 7.58%
• YTD: 9.20%
• 1Y: 18.67%
• 3Y*: 14.13%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 12.23%

ACIIX

• 1D: 0.00%
• 1M: 2.27%
• 6M: 9.01%
• YTD: 13.38%
• 1Y: 19.83%
• 3Y*: 11.90%
• 5Y*: 8.20%
• 10Y*: 9.16%
• ALL TIME*: 7.77%

*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)
ACIIX American Century Equity Income Fund Class I	$0.00	$0.00	$0.00
DOXGX Dodge & Cox Stock Fund Class X	$0.00	$0.00	$0.00

DOXGX vs. ACIIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
DOXGX Dodge & Cox Stock Fund Class X	9.20%	13.77%	14.47%	17.60%	-2.46%
ACIIX American Century Equity Income Fund Class I	13.38%	12.05%	10.58%	4.25%	0.22%

Correlation

The correlation between DOXGX and ACIIX is 0.81, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.81
Correlation (3Y) Balances recent behavior with more history.	0.82
Correlation (All Time) Calculated using the full available price history since May 3, 2022	0.85

The correlation between DOXGX and ACIIX has been stable across timeframes, ranging from 0.81 to 0.85 - a consistent structural relationship.

Return for Risk

DOXGX vs. ACIIX — Risk / Return Rank

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

DOXGX

DOXGX Risk / Return Rank: 55
DOXGX Sharpe Ratio Rank: 52
DOXGX Sortino Ratio Rank: 54
DOXGX Omega Ratio Rank: 47
DOXGX Calmar Ratio Rank: 63
DOXGX Martin Ratio Rank: 60

ACIIX

ACIIX Risk / Return Rank: 84
ACIIX Sharpe Ratio Rank: 87
ACIIX Sortino Ratio Rank: 88
ACIIX Omega Ratio Rank: 82
ACIIX Calmar Ratio Rank: 85
ACIIX Martin Ratio Rank: 79

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.

DOXGX vs. ACIIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Dodge & Cox Stock Fund Class X (DOXGX) and American Century Equity Income Fund Class I (ACIIX). 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.

	DOXGX	ACIIX	Difference
Sharpe ratio: Return per unit of total volatility	1.33	2.13	-0.80
Sortino ratio: Return per unit of downside risk	1.94	3.23	-1.29
Omega ratio: Gain probability vs. loss probability	1.23	1.38	-0.14
Calmar ratio: Return relative to maximum drawdown	2.05	2.87	-0.81
Martin ratio: Return relative to average drawdown	7.54	9.45	-1.90

DOXGX vs. ACIIX - Sharpe Ratio Comparison

The current DOXGX Sharpe Ratio is 1.33, which is lower than the ACIIX Sharpe Ratio of 2.13. The chart below compares the historical Sharpe Ratios of DOXGX and ACIIX, 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

DOXGX vs. ACIIX - Drawdown Comparison

The maximum DOXGX drawdown since its inception was -16.47%, smaller than the maximum ACIIX drawdown of -39.16%. Use the drawdown chart below to compare losses from any high point for DOXGX and ACIIX.

Drawdown Indicators

	DOXGX	ACIIX	Difference
Max Drawdown Largest peak-to-trough decline	-16.47%	-39.16%	+22.69%
Max Drawdown (1Y) Largest decline over 1 year	-7.51%	-6.38%	-1.13%
Max Drawdown (3Y) Largest decline over 3 years	-14.88%	-10.15%	-4.73%
Max Drawdown (5Y) Largest decline over 5 years	—	-13.49%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-32.76%	—
Current Drawdown Current decline from peak	-0.50%	-0.63%	+0.13%
Average Drawdown Average peak-to-trough decline	-3.07%	-5.22%	+2.15%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.06%	1.93%	+0.13%

Volatility

DOXGX vs. ACIIX - Volatility Comparison

Dodge & Cox Stock Fund Class X (DOXGX) has a higher volatility of 3.42% compared to American Century Equity Income Fund Class I (ACIIX) at 2.92%. This indicates that DOXGX's price experiences larger fluctuations and is considered to be riskier than ACIIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DOXGX	ACIIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.42%	2.92%	+0.50%
Volatility (6M) Calculated over the trailing 6-month period	8.47%	6.54%	+1.93%
Volatility (1Y) Calculated over the trailing 1-year period	11.58%	8.61%	+2.97%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.59%	10.78%	+4.81%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.59%	13.34%	+2.25%

DOXGX vs. ACIIX - Expense Ratio Comparison

DOXGX has a 0.41% expense ratio, which is lower than ACIIX's 0.72% expense ratio.

Dividends

DOXGX vs. ACIIX - Dividend Comparison

DOXGX's dividend yield for the trailing twelve months is around 8.90%, less than ACIIX's 9.48% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ACIIX American Century Equity Income Fund Class I	9.48%	10.55%	11.71%	8.21%	8.96%	7.02%	2.18%	7.57%	9.05%	12.14%	8.08%	10.72%
DOXGX Dodge & Cox Stock Fund Class X	8.90%	9.96%	8.30%	3.86%	4.50%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both DOXGX and ACIIX in my portfolio?

DOXGX and ACIIX have a correlation of 0.81, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DOXGX or ACIIX?

DOXGX has higher volatility (3.42%) compared to ACIIX (2.92%). In terms of maximum drawdown, DOXGX dropped -16.47% vs ACIIX's -39.16%.

Which has better risk-adjusted returns?

ACIIX currently has the higher Sharpe Ratio (2.13 vs 1.33), 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.