ACIHX vs. ACMVX

Last updated Aug 1, 2026

ACIHX (American Century Growth Fund G Class) and ACMVX (American Century Mid Cap Value Fund) are both mutual funds - ACIHX is a Large Cap Growth Equities fund actively managed by American Century, while ACMVX is a Mid Cap Value Equities fund managed by American Century. Over the past 3 years, ACIHX returned 17.45%/yr vs 11.29%/yr for ACMVX. Their 0.47 correlation means their historical movements had little consistent relationship. ACIHX charges 0.01%/yr vs 0.97%/yr for ACMVX.

Performance

ACIHX vs. ACMVX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Century Growth Fund G Class (ACIHX) 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, ACIHX achieves a 1.37% return, which is significantly lower than ACMVX's 15.57% return.

ACIHX

• 1D: 2.83%
• 1M: -2.74%
• 6M: 3.04%
• YTD: 1.37%
• 1Y: 11.76%
• 3Y*: 17.45%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 18.41%

ACMVX

• 1D: -0.70%
• 1M: 2.29%
• 6M: 10.85%
• YTD: 15.57%
• 1Y: 21.24%
• 3Y*: 11.29%
• 5Y*: 8.63%
• 10Y*: 9.39%
• ALL TIME*: 10.01%

*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)
ACIHX American Century Growth Fund G Class	$0.00	$0.00	$0.00
ACMVX American Century Mid Cap Value Fund	$0.00	$0.00	$0.00

ACIHX vs. ACMVX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
ACIHX American Century Growth Fund G Class	1.37%	16.26%	27.35%	44.64%	-6.24%
ACMVX American Century Mid Cap Value Fund	15.57%	8.77%	8.50%	6.18%	0.27%

Correlation

The correlation between ACIHX and ACMVX is 0.18, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.18
Correlation (3Y) Balances recent behavior with more history.	0.32
Correlation (All Time) Calculated using the full available price history since May 16, 2022	0.47

Over the past year, the correlation between ACIHX and ACMVX has dropped to 0.18 - well below their long-term average of 0.47, suggesting their price drivers have been diverging.

Return for Risk

ACIHX vs. ACMVX — Risk / Return Rank

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

ACIHX

ACIHX Risk / Return Rank: 14
ACIHX Sharpe Ratio Rank: 15
ACIHX Sortino Ratio Rank: 15
ACIHX Omega Ratio Rank: 15
ACIHX Calmar Ratio Rank: 13
ACIHX Martin Ratio Rank: 14

ACMVX

ACMVX Risk / Return Rank: 70
ACMVX Sharpe Ratio Rank: 72
ACMVX Sortino Ratio Rank: 76
ACMVX Omega Ratio Rank: 69
ACMVX Calmar Ratio Rank: 73
ACMVX Martin Ratio Rank: 60

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.

ACIHX vs. ACMVX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Century Growth Fund G Class (ACIHX) 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.

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.

	ACIHX	ACMVX	Difference
Sharpe ratio: Return per unit of total volatility	0.56	1.68	-1.11
Sortino ratio: Return per unit of downside risk	0.88	2.54	-1.66
Omega ratio: Gain probability vs. loss probability	1.11	1.29	-0.19
Calmar ratio: Return relative to maximum drawdown	0.60	2.33	-1.73
Martin ratio: Return relative to average drawdown	1.82	7.62	-5.81

ACIHX vs. ACMVX - Sharpe Ratio Comparison

The current ACIHX Sharpe Ratio is 0.56, which is lower than the ACMVX Sharpe Ratio of 1.68. The chart below compares the historical Sharpe Ratios of ACIHX 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.

Drawdowns

ACIHX vs. ACMVX - Drawdown Comparison

The maximum ACIHX drawdown since its inception was -24.00%, smaller than the maximum ACMVX drawdown of -51.19%. Use the drawdown chart below to compare losses from any high point for ACIHX and ACMVX.

Drawdown Indicators

	ACIHX	ACMVX	Difference
Max Drawdown Largest peak-to-trough decline	-24.00%	-51.19%	+27.19%
Max Drawdown (1Y) Largest decline over 1 year	-16.40%	-8.49%	-7.91%
Max Drawdown (3Y) Largest decline over 3 years	-24.00%	-14.57%	-9.43%
Max Drawdown (5Y) Largest decline over 5 years	—	-17.46%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-39.24%	—
Current Drawdown Current decline from peak	-7.43%	-1.11%	-6.32%
Average Drawdown Average peak-to-trough decline	-4.91%	-5.89%	+0.98%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.38%	2.59%	+2.79%

Volatility

ACIHX vs. ACMVX - Volatility Comparison

American Century Growth Fund G Class (ACIHX) has a higher volatility of 5.54% compared to American Century Mid Cap Value Fund (ACMVX) at 3.44%. This indicates that ACIHX's price experiences larger fluctuations and is considered to be riskier than ACMVX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ACIHX	ACMVX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.54%	3.44%	+2.10%
Volatility (6M) Calculated over the trailing 6-month period	13.85%	8.62%	+5.23%
Volatility (1Y) Calculated over the trailing 1-year period	17.44%	11.82%	+5.62%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.07%	14.57%	+6.50%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.07%	17.38%	+3.69%

ACIHX vs. ACMVX - Expense Ratio Comparison

ACIHX has a 0.01% expense ratio, which is lower than ACMVX's 0.97% expense ratio.

Dividends

ACIHX vs. ACMVX - Dividend Comparison

ACIHX's dividend yield for the trailing twelve months is around 15.73%, more than ACMVX's 12.69% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ACIHX American Century Growth Fund G Class	15.73%	15.95%	5.65%	4.61%	2.86%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
ACMVX American Century Mid Cap Value Fund	12.69%	14.46%	8.76%	5.24%	15.00%	15.95%	1.83%	1.46%	14.51%	9.49%	4.05%	11.06%

Frequently Asked Questions

Can I hold both ACIHX and ACMVX in my portfolio?

ACIHX and ACMVX have a correlation of 0.18, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ACIHX or ACMVX?

ACIHX has higher volatility (5.54%) compared to ACMVX (3.44%). In terms of maximum drawdown, ACIHX dropped -24.00% vs ACMVX's -51.19%.

Which has better risk-adjusted returns?

ACMVX currently has the higher Sharpe Ratio (1.68 vs 0.56), 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.