TWEIX vs. VIVIX

Last updated Jun 4, 2026

TWEIX (American Century Equity Income Fund) and VIVIX (Vanguard Value Index Fund Institutional Shares) are both Large Cap Value Equities funds. Over the past 10 years, TWEIX returned 8.65%/yr vs 12.47%/yr for VIVIX. Their correlation of 0.93 suggests significant overlap in exposure. TWEIX charges 0.94%/yr vs 0.04%/yr for VIVIX.

Performance

TWEIX vs. VIVIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Century Equity Income Fund (TWEIX) and Vanguard Value Index Fund Institutional Shares (VIVIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TWEIX achieves a 6.14% return, which is significantly lower than VIVIX's 12.24% return. Over the past 10 years, TWEIX has underperformed VIVIX with an annualized return of 8.65%, while VIVIX has yielded a comparatively higher 12.47% annualized return.

TWEIX

• 1D: 0.56%
• 1M: 0.11%
• YTD: 6.14%
• 6M: 6.61%
• 1Y: 15.26%
• 3Y*: 10.63%
• 5Y*: 6.89%
• 10Y*: 8.65%

VIVIX

• 1D: 0.86%
• 1M: 4.21%
• YTD: 12.24%
• 6M: 13.09%
• 1Y: 26.23%
• 3Y*: 18.25%
• 5Y*: 11.30%
• 10Y*: 12.47%

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

TWEIX vs. VIVIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TWEIX American Century Equity Income Fund	6.14%	11.84%	10.51%	3.92%	-3.06%	16.83%	1.10%	24.14%	-3.77%	13.35%
VIVIX Vanguard Value Index Fund Institutional Shares	12.24%	15.30%	15.99%	9.23%	-2.05%	26.50%	2.30%	25.83%	-5.44%	17.14%

Correlation

The correlation between TWEIX and VIVIX is 0.89, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.89
Correlation (3Y) Calculated over the trailing 3-year period	0.90
Correlation (5Y) Calculated over the trailing 5-year period	0.93
Correlation (10Y) Calculated over the trailing 10-year period	0.94
Correlation (All Time) Calculated using the full available price history since Jul 6, 1998	0.93

The correlation between TWEIX and VIVIX has been stable across timeframes, ranging from 0.89 to 0.94 - a consistent structural relationship.

Return for Risk

TWEIX vs. VIVIX — Risk / Return Rank

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

TWEIX

TWEIX Risk / Return Rank: 41
TWEIX Sharpe Ratio Rank: 42
TWEIX Sortino Ratio Rank: 46
TWEIX Omega Ratio Rank: 38
TWEIX Calmar Ratio Rank: 42
TWEIX Martin Ratio Rank: 37

VIVIX

VIVIX Risk / Return Rank: 82
VIVIX Sharpe Ratio Rank: 83
VIVIX Sortino Ratio Rank: 81
VIVIX Omega Ratio Rank: 72
VIVIX Calmar Ratio Rank: 87
VIVIX Martin Ratio Rank: 84

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.

TWEIX vs. VIVIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Century Equity Income Fund (TWEIX) and Vanguard Value Index Fund Institutional Shares (VIVIX). 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.

	TWEIX	VIVIX	Difference
Sharpe ratio: Return per unit of total volatility	1.88	2.68	-0.80
Sortino ratio: Return per unit of downside risk	2.84	3.82	-0.97
Omega ratio: Gain probability vs. loss probability	1.33	1.48	-0.15
Calmar ratio: Return relative to maximum drawdown	2.45	4.24	-1.79
Martin ratio: Return relative to average drawdown	8.07	15.97	-7.90
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TWEIX vs. VIVIX - Sharpe Ratio Comparison

The current TWEIX Sharpe Ratio is 1.88, which is comparable to the VIVIX Sharpe Ratio of 2.68. The chart below compares the historical Sharpe Ratios of TWEIX and VIVIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	TWEIX	VIVIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.88	2.68	-0.80
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.65	0.82	-0.17
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.65	0.75	-0.10
Sharpe Ratio (All Time) Calculated using the full available price history	0.75	0.41	+0.34

Drawdowns

TWEIX vs. VIVIX - Drawdown Comparison

The maximum TWEIX drawdown since its inception was -39.30%, smaller than the maximum VIVIX drawdown of -59.30%. Use the drawdown chart below to compare losses from any high point for TWEIX and VIVIX.

Drawdown Indicators

	TWEIX	VIVIX	Difference
Max Drawdown Largest peak-to-trough decline	-39.30%	-59.30%	+20.00%
Max Drawdown (1Y) Largest decline over 1 year	-6.43%	-6.36%	-0.07%
Max Drawdown (3Y) Largest decline over 3 years	-10.16%	-14.40%	+4.24%
Max Drawdown (5Y) Largest decline over 5 years	-13.69%	-17.12%	+3.43%
Max Drawdown (10Y) Largest decline over 10 years	-32.82%	-36.80%	+3.98%
Current Drawdown Current decline from peak	-2.51%	0.00%	-2.51%
Average Drawdown Average peak-to-trough decline	-4.16%	-9.26%	+5.10%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.95%	1.69%	+0.26%

Volatility

TWEIX vs. VIVIX - Volatility Comparison

The current volatility for American Century Equity Income Fund (TWEIX) is 2.20%, while Vanguard Value Index Fund Institutional Shares (VIVIX) has a volatility of 2.69%. This indicates that TWEIX experiences smaller price fluctuations and is considered to be less risky than VIVIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TWEIX	VIVIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.20%	2.69%	-0.49%
Volatility (6M) Calculated over the trailing 6-month period	6.23%	7.62%	-1.39%
Volatility (1Y) Calculated over the trailing 1-year period	8.37%	10.07%	-1.70%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	10.74%	13.91%	-3.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.36%	16.74%	-3.38%

TWEIX vs. VIVIX - Expense Ratio Comparison

TWEIX has a 0.94% expense ratio, which is higher than VIVIX's 0.04% expense ratio.

Dividends

TWEIX vs. VIVIX - Dividend Comparison

TWEIX's dividend yield for the trailing twelve months is around 9.77%, more than VIVIX's 1.86% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
TWEIX American Century Equity Income Fund	9.77%	10.35%	11.51%	8.02%	8.76%	6.83%	2.00%	7.38%	8.79%	11.95%	7.88%	10.49%
VIVIX Vanguard Value Index Fund Institutional Shares	1.86%	2.04%	2.31%	2.46%	2.52%	2.15%	2.55%	2.50%	2.73%	2.30%	2.46%	2.61%

Frequently Asked Questions

Can I hold both TWEIX and VIVIX in my portfolio?

TWEIX and VIVIX have a correlation of 0.89, 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 VIVIX?

VIVIX has higher volatility (2.69%) compared to TWEIX (2.20%). In terms of maximum drawdown, TWEIX dropped -39.30% vs VIVIX's -59.30%.

Which has better risk-adjusted returns?

VIVIX currently has the higher Sharpe Ratio (2.68 vs 1.88), 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.