TWVLX vs. ACMVX

Last updated Jun 4, 2026

TWVLX (American Century Value Fund) and ACMVX (American Century Mid Cap Value Fund) are both mutual funds - TWVLX is a Large Cap Value Equities fund managed by American Century, while ACMVX is a Mid Cap Value Equities fund managed by American Century. Over the past 10 years, TWVLX returned 10.16%/yr vs 8.93%/yr for ACMVX. With a 0.96 correlation, they move nearly in lockstep. TWVLX charges 1.01%/yr vs 0.97%/yr for ACMVX.

Performance

TWVLX vs. ACMVX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Century Value Fund (TWVLX) and American Century Mid Cap Value Fund (ACMVX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TWVLX achieves a 8.79% return, which is significantly higher than ACMVX's 8.22% return. Over the past 10 years, TWVLX has outperformed ACMVX with an annualized return of 10.16%, while ACMVX has yielded a comparatively lower 8.93% annualized return.

TWVLX

• 1D: 0.69%
• 1M: 2.45%
• YTD: 8.79%
• 6M: 9.57%
• 1Y: 22.72%
• 3Y*: 14.41%
• 5Y*: 8.97%
• 10Y*: 10.16%

ACMVX

• 1D: 0.95%
• 1M: 2.24%
• YTD: 8.22%
• 6M: 7.90%
• 1Y: 16.16%
• 3Y*: 11.02%
• 5Y*: 6.87%
• 10Y*: 8.93%

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

TWVLX vs. ACMVX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TWVLX American Century Value Fund	8.79%	15.70%	9.10%	8.78%	0.39%	24.41%	0.68%	26.93%	-8.91%	8.50%
ACMVX American Century Mid Cap Value Fund	8.22%	8.77%	8.50%	6.18%	-1.34%	23.41%	1.63%	28.89%	-12.63%	11.57%

Correlation

The correlation between TWVLX and ACMVX 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	0.96
Correlation (5Y) Calculated over the trailing 5-year period	0.96
Correlation (10Y) Calculated over the trailing 10-year period	0.96
Correlation (All Time) Calculated using the full available price history since Apr 2, 2004	0.96

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

Return for Risk

TWVLX vs. ACMVX — Risk / Return Rank

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

TWVLX

TWVLX Risk / Return Rank: 60
TWVLX Sharpe Ratio Rank: 57
TWVLX Sortino Ratio Rank: 62
TWVLX Omega Ratio Rank: 51
TWVLX Calmar Ratio Rank: 72
TWVLX Martin Ratio Rank: 58

ACMVX

ACMVX Risk / Return Rank: 26
ACMVX Sharpe Ratio Rank: 25
ACMVX Sortino Ratio Rank: 27
ACMVX Omega Ratio Rank: 23
ACMVX Calmar Ratio Rank: 28
ACMVX Martin Ratio Rank: 26

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.

TWVLX vs. ACMVX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Century Value Fund (TWVLX) and American Century Mid Cap Value Fund (ACMVX). 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.

	TWVLX	ACMVX	Difference
Sharpe ratio Return per unit of total volatility	2.23	1.42	+0.80
Sortino ratio Return per unit of downside risk	3.30	2.16	+1.13
Omega ratio Gain probability vs. loss probability	1.39	1.25	+0.14
Calmar ratio Return relative to maximum drawdown	3.31	1.99	+1.32
Martin ratio Return relative to average drawdown	11.58	6.42	+5.16
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TWVLX vs. ACMVX - Sharpe Ratio Comparison

The current TWVLX Sharpe Ratio is 2.23, which is higher than the ACMVX Sharpe Ratio of 1.42. The chart below compares the historical Sharpe Ratios of TWVLX and ACMVX, 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

	TWVLX	ACMVX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.23	1.42	+0.80
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.64	0.47	+0.17
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.58	0.51	+0.06
Sharpe Ratio (All Time) Calculated using the full available price history	0.58	0.55	+0.04

Drawdowns

TWVLX vs. ACMVX - Drawdown Comparison

The maximum TWVLX drawdown since its inception was -53.19%, roughly equal to the maximum ACMVX drawdown of -51.19%. Use the drawdown chart below to compare losses from any high point for TWVLX and ACMVX.

Drawdown Indicators

	TWVLX	ACMVX	Difference
Max Drawdown Largest peak-to-trough decline	-53.19%	-51.19%	-2.00%
Max Drawdown (1Y) Largest decline over 1 year	-7.03%	-8.49%	+1.46%
Max Drawdown (3Y) Largest decline over 3 years	-12.83%	-14.57%	+1.74%
Max Drawdown (5Y) Largest decline over 5 years	-17.12%	-17.46%	+0.34%
Max Drawdown (10Y) Largest decline over 10 years	-39.88%	-39.24%	-0.64%
Current Drawdown Current decline from peak	-0.45%	-1.39%	+0.94%
Average Drawdown Average peak-to-trough decline	-6.64%	-5.93%	-0.71%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.01%	2.63%	-0.62%

Volatility

TWVLX vs. ACMVX - Volatility Comparison

The current volatility for American Century Value Fund (TWVLX) is 2.75%, while American Century Mid Cap Value Fund (ACMVX) has a volatility of 3.01%. This indicates that TWVLX experiences smaller price fluctuations and is considered to be less risky than ACMVX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TWVLX	ACMVX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.75%	3.01%	-0.26%
Volatility (6M) Calculated over the trailing 6-month period	7.63%	8.50%	-0.87%
Volatility (1Y) Calculated over the trailing 1-year period	10.46%	11.88%	-1.42%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.07%	14.64%	-0.57%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.71%	17.45%	+0.26%

TWVLX vs. ACMVX - Expense Ratio Comparison

TWVLX has a 1.01% expense ratio, which is higher than ACMVX's 0.97% expense ratio.

Dividends

TWVLX vs. ACMVX - Dividend Comparison

TWVLX's dividend yield for the trailing twelve months is around 9.19%, less than ACMVX's 13.30% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ACMVX American Century Mid Cap Value Fund	13.30%	14.46%	8.76%	5.24%	15.00%	15.95%	1.83%	1.46%	14.51%	9.49%	4.05%	11.06%
TWVLX American Century Value Fund	9.19%	10.07%	11.14%	7.34%	15.07%	13.94%	3.49%	8.70%	11.82%	7.24%	3.22%	8.56%

Frequently Asked Questions

Can I hold both TWVLX and ACMVX in my portfolio?

With a correlation of 0.96, TWVLX and ACMVX 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, TWVLX or ACMVX?

ACMVX has higher volatility (3.01%) compared to TWVLX (2.75%). In terms of maximum drawdown, TWVLX dropped -53.19% vs ACMVX's -51.19%.

Which has better risk-adjusted returns?

TWVLX currently has the higher Sharpe Ratio (2.23 vs 1.42), 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.