CHTTX vs. ACLAX

Last updated Jun 25, 2026

CHTTX (AMG River Road Mid Cap Value Fund) and ACLAX (American Century Mid Cap Value Fund A Class) are both Mid Cap Value Equities funds. Over the past 10 years, CHTTX returned 8.81%/yr vs 9.03%/yr for ACLAX. Their correlation of 0.89 suggests significant overlap in exposure. CHTTX charges 1.10%/yr vs 1.22%/yr for ACLAX.

Performance

CHTTX vs. ACLAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AMG River Road Mid Cap Value Fund (CHTTX) and American Century Mid Cap Value Fund A Class (ACLAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CHTTX achieves a 0.50% return, which is significantly lower than ACLAX's 9.42% return. Both investments have delivered pretty close results over the past 10 years, with CHTTX having a 8.81% annualized return and ACLAX not far ahead at 9.03%.

CHTTX

• 1D: 0.61%
• 1M: 1.84%
• YTD: 0.50%
• 6M: -1.43%
• 1Y: -4.41%
• 3Y*: 9.04%
• 5Y*: 6.86%
• 10Y*: 8.81%

ACLAX

• 1D: 0.57%
• 1M: 1.58%
• YTD: 9.42%
• 6M: 8.39%
• 1Y: 16.32%
• 3Y*: 10.89%
• 5Y*: 7.42%
• 10Y*: 9.03%

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

CHTTX vs. ACLAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CHTTX AMG River Road Mid Cap Value Fund	0.50%	-1.64%	13.52%	22.65%	-8.48%	27.04%	3.83%	23.39%	-18.57%	11.51%
ACLAX American Century Mid Cap Value Fund A Class	9.42%	8.52%	8.18%	5.93%	-1.53%	23.01%	1.44%	28.55%	-12.93%	11.31%

Correlation

The correlation between CHTTX and ACLAX is 0.84, 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	0.84
Correlation (3Y) Calculated over the trailing 3-year period	0.85
Correlation (5Y) Calculated over the trailing 5-year period	0.88
Correlation (10Y) Calculated over the trailing 10-year period	0.88
Correlation (All Time) Calculated using the full available price history since Jan 13, 2005	0.89

The correlation between CHTTX and ACLAX has been stable across timeframes, ranging from 0.84 to 0.89 - a consistent structural relationship.

Return for Risk

CHTTX vs. ACLAX — Risk / Return Rank

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

CHTTX

CHTTX Risk / Return Rank: 2
CHTTX Sharpe Ratio Rank: 2
CHTTX Sortino Ratio Rank: 2
CHTTX Omega Ratio Rank: 2
CHTTX Calmar Ratio Rank: 2
CHTTX Martin Ratio Rank: 2

ACLAX

ACLAX Risk / Return Rank: 31
ACLAX Sharpe Ratio Rank: 30
ACLAX Sortino Ratio Rank: 33
ACLAX Omega Ratio Rank: 28
ACLAX Calmar Ratio Rank: 33
ACLAX Martin Ratio Rank: 31

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.

CHTTX vs. ACLAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AMG River Road Mid Cap Value Fund (CHTTX) and American Century Mid Cap Value Fund A Class (ACLAX). 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.

	CHTTX	ACLAX	Difference
Sharpe ratio: Return per unit of total volatility	-0.19	1.42	-1.61
Sortino ratio: Return per unit of downside risk	-0.12	2.17	-2.28
Omega ratio: Gain probability vs. loss probability	0.98	1.25	-0.27
Calmar ratio: Return relative to maximum drawdown	-0.20	1.99	-2.20
Martin ratio: Return relative to average drawdown	-0.37	6.39	-6.76

CHTTX vs. ACLAX - Sharpe Ratio Comparison

The current CHTTX Sharpe Ratio is -0.19, which is lower than the ACLAX Sharpe Ratio of 1.42. The chart below compares the historical Sharpe Ratios of CHTTX and ACLAX, 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

CHTTX vs. ACLAX - Drawdown Comparison

The maximum CHTTX drawdown since its inception was -58.30%, which is greater than ACLAX's maximum drawdown of -51.37%. Use the drawdown chart below to compare losses from any high point for CHTTX and ACLAX.

Drawdown Indicators

	CHTTX	ACLAX	Difference
Max Drawdown Largest peak-to-trough decline	-58.30%	-51.37%	-6.93%
Max Drawdown (1Y) Largest decline over 1 year	-17.80%	-8.50%	-9.30%
Max Drawdown (3Y) Largest decline over 3 years	-17.80%	-14.67%	-3.13%
Max Drawdown (5Y) Largest decline over 5 years	-20.38%	-17.55%	-2.83%
Max Drawdown (10Y) Largest decline over 10 years	-42.58%	-39.24%	-3.34%
Current Drawdown Current decline from peak	-13.42%	-1.05%	-12.37%
Average Drawdown Average peak-to-trough decline	-7.81%	-6.25%	-1.56%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.75%	2.65%	+7.10%

Volatility

CHTTX vs. ACLAX - Volatility Comparison

AMG River Road Mid Cap Value Fund (CHTTX) has a higher volatility of 3.39% compared to American Century Mid Cap Value Fund A Class (ACLAX) at 3.20%. This indicates that CHTTX's price experiences larger fluctuations and is considered to be riskier than ACLAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CHTTX	ACLAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.39%	3.20%	+0.19%
Volatility (6M) Calculated over the trailing 6-month period	9.64%	8.62%	+1.02%
Volatility (1Y) Calculated over the trailing 1-year period	19.01%	11.99%	+7.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.56%	14.63%	+3.93%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.39%	17.44%	+2.95%

CHTTX vs. ACLAX - Expense Ratio Comparison

CHTTX has a 1.10% expense ratio, which is lower than ACLAX's 1.22% expense ratio.

Dividends

CHTTX vs. ACLAX - Dividend Comparison

CHTTX has not paid dividends to shareholders, while ACLAX's dividend yield for the trailing twelve months is around 13.19%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ACLAX American Century Mid Cap Value Fund A Class	13.19%	14.24%	8.53%	5.01%	14.77%	15.72%	1.62%	1.23%	14.17%	9.25%	3.82%	10.86%
CHTTX AMG River Road Mid Cap Value Fund	0.00%	0.00%	14.37%	0.40%	9.34%	105.09%	5.66%	13.63%	8.79%	6.59%	4.51%	5.97%

Frequently Asked Questions

Can I hold both CHTTX and ACLAX in my portfolio?

CHTTX and ACLAX have a correlation of 0.84, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CHTTX or ACLAX?

CHTTX has higher volatility (3.39%) compared to ACLAX (3.20%). In terms of maximum drawdown, CHTTX dropped -58.30% vs ACLAX's -51.37%.

Which has better risk-adjusted returns?

ACLAX currently has the higher Sharpe Ratio (1.42 vs -0.19), 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.