TWEIX vs. YACKX

Last updated Aug 2, 2026

TWEIX (American Century Equity Income Fund) and YACKX (AMG Yacktman Fund) are both mutual funds - TWEIX is a Dividend fund managed by American Century, while YACKX is a Large Cap Value Equities fund managed by AMG. Over the past 10 years, TWEIX returned 8.93%/yr vs 12.24%/yr for YACKX. Their correlation of 0.80 means they have usually moved in the same direction. TWEIX charges 0.94%/yr vs 0.71%/yr for YACKX.

Performance

TWEIX vs. YACKX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Century Equity Income Fund (TWEIX) and AMG Yacktman Fund (YACKX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TWEIX achieves a 13.18% return, which is significantly lower than YACKX's 17.47% return. Over the past 10 years, TWEIX has underperformed YACKX with an annualized return of 8.93%, while YACKX has yielded a comparatively higher 12.24% annualized return.

TWEIX

• 1D: 0.00%
• 1M: 2.27%
• 6M: 8.81%
• YTD: 13.18%
• 1Y: 19.64%
• 3Y*: 11.66%
• 5Y*: 7.98%
• 10Y*: 8.93%
• ALL TIME*: 10.15%

YACKX

• 1D: 0.99%
• 1M: 2.82%
• 6M: 8.92%
• YTD: 17.47%
• 1Y: 31.05%
• 3Y*: 15.45%
• 5Y*: 10.58%
• 10Y*: 12.24%
• ALL TIME*: 10.82%

*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)
TWEIX American Century Equity Income Fund	$0.00	$0.00	$0.00
YACKX AMG Yacktman Fund	$0.00	$0.00	$0.00

TWEIX vs. YACKX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TWEIX American Century Equity Income Fund	13.18%	11.84%	10.51%	3.92%	-3.06%	16.83%	1.10%	24.14%	-3.77%	13.35%
YACKX AMG Yacktman Fund	17.47%	19.64%	4.83%	15.46%	-7.50%	19.66%	15.25%	17.71%	2.79%	18.25%

Correlation

The correlation between TWEIX and YACKX is 0.45, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.45
Correlation (3Y) Balances recent behavior with more history.	0.65
Correlation (5Y) Shows whether the relationship held over a longer period.	0.76
Correlation (10Y) Provides a long-term view across more market conditions.	0.80
Correlation (All Time) Calculated using the full available price history since Jul 29, 1994	0.80

Over the past year, the correlation between TWEIX and YACKX has dropped to 0.45 - well below their long-term average of 0.80, suggesting their price drivers have been diverging.

Return for Risk

TWEIX vs. YACKX — Risk / Return Rank

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

TWEIX

TWEIX Risk / Return Rank: 83
TWEIX Sharpe Ratio Rank: 87
TWEIX Sortino Ratio Rank: 88
TWEIX Omega Ratio Rank: 81
TWEIX Calmar Ratio Rank: 84
TWEIX Martin Ratio Rank: 78

YACKX

YACKX Risk / Return Rank: 91
YACKX Sharpe Ratio Rank: 94
YACKX Sortino Ratio Rank: 88
YACKX Omega Ratio Rank: 89
YACKX Calmar Ratio Rank: 95
YACKX Martin Ratio Rank: 88

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.

TWEIX vs. YACKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Century Equity Income Fund (TWEIX) and AMG Yacktman Fund (YACKX). 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.

	TWEIX	YACKX	Difference
Sharpe ratio: Return per unit of total volatility	2.11	2.45	-0.34
Sortino ratio: Return per unit of downside risk	3.22	3.23	-0.02
Omega ratio: Gain probability vs. loss probability	1.37	1.46	-0.09
Calmar ratio: Return relative to maximum drawdown	2.81	4.15	-1.33
Martin ratio: Return relative to average drawdown	9.29	11.43	-2.14

TWEIX vs. YACKX - Sharpe Ratio Comparison

The current TWEIX Sharpe Ratio is 2.11, which is comparable to the YACKX Sharpe Ratio of 2.45. The chart below compares the historical Sharpe Ratios of TWEIX and YACKX, 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

TWEIX vs. YACKX - Drawdown Comparison

The maximum TWEIX drawdown since its inception was -39.30%, smaller than the maximum YACKX drawdown of -46.65%. Use the drawdown chart below to compare losses from any high point for TWEIX and YACKX.

Drawdown Indicators

	TWEIX	YACKX	Difference
Max Drawdown Largest peak-to-trough decline	-39.30%	-46.65%	+7.35%
Max Drawdown (1Y) Largest decline over 1 year	-6.43%	-6.86%	+0.43%
Max Drawdown (3Y) Largest decline over 3 years	-10.16%	-13.66%	+3.50%
Max Drawdown (5Y) Largest decline over 5 years	-13.69%	-19.86%	+6.17%
Max Drawdown (10Y) Largest decline over 10 years	-32.82%	-30.93%	-1.89%
Current Drawdown Current decline from peak	-0.63%	-2.53%	+1.90%
Average Drawdown Average peak-to-trough decline	-4.14%	-5.10%	+0.96%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.95%	2.49%	-0.54%

Volatility

TWEIX vs. YACKX - Volatility Comparison

American Century Equity Income Fund (TWEIX) has a higher volatility of 2.87% compared to AMG Yacktman Fund (YACKX) at 2.54%. This indicates that TWEIX's price experiences larger fluctuations and is considered to be riskier than YACKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TWEIX	YACKX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.87%	2.54%	+0.33%
Volatility (6M) Calculated over the trailing 6-month period	6.59%	9.62%	-3.03%
Volatility (1Y) Calculated over the trailing 1-year period	8.59%	11.62%	-3.03%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	10.75%	12.92%	-2.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.32%	13.78%	-0.46%

TWEIX vs. YACKX - Expense Ratio Comparison

TWEIX has a 0.94% expense ratio, which is higher than YACKX's 0.71% expense ratio.

Dividends

TWEIX vs. YACKX - Dividend Comparison

TWEIX's dividend yield for the trailing twelve months is around 9.31%, less than YACKX's 15.11% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
TWEIX American Century Equity Income Fund	9.31%	10.35%	11.51%	8.02%	8.76%	6.83%	2.00%	7.38%	8.79%	11.95%	7.88%	10.49%
YACKX AMG Yacktman Fund	15.11%	17.75%	9.70%	4.39%	7.35%	3.72%	10.82%	9.31%	23.06%	10.67%	8.57%	13.66%

Frequently Asked Questions

Can I hold both TWEIX and YACKX in my portfolio?

TWEIX and YACKX have a correlation of 0.45, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TWEIX or YACKX?

TWEIX has higher volatility (2.87%) compared to YACKX (2.54%). In terms of maximum drawdown, TWEIX dropped -39.30% vs YACKX's -46.65%.

Which has better risk-adjusted returns?

YACKX currently has the higher Sharpe Ratio (2.45 vs 2.11), 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.