GOODX vs. ACMVX

Last updated Jun 24, 2026

GOODX (GoodHaven Fund) and ACMVX (American Century Mid Cap Value Fund) are both Mid Cap Value Equities funds. Over the past 10 years, GOODX returned 10.14%/yr vs 9.25%/yr for ACMVX. A 0.79 correlation means they provide meaningful diversification when combined. GOODX charges 1.10%/yr vs 0.97%/yr for ACMVX.

Performance

GOODX vs. ACMVX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in GoodHaven Fund (GOODX) 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, GOODX achieves a -0.66% return, which is significantly lower than ACMVX's 8.96% return. Over the past 10 years, GOODX has outperformed ACMVX with an annualized return of 10.14%, while ACMVX has yielded a comparatively lower 9.25% annualized return.

GOODX

• 1D: -0.53%
• 1M: -0.72%
• YTD: -0.66%
• 6M: -1.09%
• 1Y: 5.53%
• 3Y*: 13.35%
• 5Y*: 11.39%
• 10Y*: 10.14%

ACMVX

• 1D: 0.13%
• 1M: 1.00%
• YTD: 8.96%
• 6M: 8.30%
• 1Y: 16.51%
• 3Y*: 10.95%
• 5Y*: 7.69%
• 10Y*: 9.25%

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

GOODX vs. ACMVX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GOODX GoodHaven Fund	-0.66%	7.04%	18.87%	34.07%	-11.51%	35.97%	6.32%	19.03%	-9.76%	3.95%
ACMVX American Century Mid Cap Value Fund	8.96%	8.77%	8.50%	6.18%	-1.34%	23.41%	1.63%	28.89%	-12.63%	11.57%

Correlation

The correlation between GOODX and ACMVX is 0.78, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.78
Correlation (3Y) Calculated over the trailing 3-year period	0.78
Correlation (5Y) Calculated over the trailing 5-year period	0.83
Correlation (10Y) Calculated over the trailing 10-year period	0.81
Correlation (All Time) Calculated using the full available price history since Jan 3, 2012	0.79

The correlation between GOODX and ACMVX has been stable across timeframes, ranging from 0.78 to 0.83 - a consistent structural relationship.

Return for Risk

GOODX vs. ACMVX — Risk / Return Rank

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

GOODX

GOODX Risk / Return Rank: 6
GOODX Sharpe Ratio Rank: 6
GOODX Sortino Ratio Rank: 6
GOODX Omega Ratio Rank: 6
GOODX Calmar Ratio Rank: 7
GOODX Martin Ratio Rank: 6

ACMVX

ACMVX Risk / Return Rank: 32
ACMVX Sharpe Ratio Rank: 31
ACMVX Sortino Ratio Rank: 34
ACMVX Omega Ratio Rank: 29
ACMVX Calmar Ratio Rank: 34
ACMVX Martin Ratio Rank: 32

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.

GOODX vs. ACMVX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for GoodHaven Fund (GOODX) 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.

	GOODX	ACMVX	Difference
Sharpe ratio: Return per unit of total volatility	0.47	1.49	-1.02
Sortino ratio: Return per unit of downside risk	0.74	2.26	-1.51
Omega ratio: Gain probability vs. loss probability	1.09	1.26	-0.17
Calmar ratio: Return relative to maximum drawdown	0.56	2.09	-1.53
Martin ratio: Return relative to average drawdown	1.38	6.77	-5.40

GOODX vs. ACMVX - Sharpe Ratio Comparison

The current GOODX Sharpe Ratio is 0.47, which is lower than the ACMVX Sharpe Ratio of 1.49. The chart below compares the historical Sharpe Ratios of GOODX 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

GOODX vs. ACMVX - Drawdown Comparison

The maximum GOODX drawdown since its inception was -41.43%, smaller than the maximum ACMVX drawdown of -51.19%. Use the drawdown chart below to compare losses from any high point for GOODX and ACMVX.

Drawdown Indicators

	GOODX	ACMVX	Difference
Max Drawdown Largest peak-to-trough decline	-41.43%	-51.19%	+9.76%
Max Drawdown (1Y) Largest decline over 1 year	-10.71%	-8.49%	-2.22%
Max Drawdown (3Y) Largest decline over 3 years	-16.27%	-14.57%	-1.70%
Max Drawdown (5Y) Largest decline over 5 years	-19.74%	-17.46%	-2.28%
Max Drawdown (10Y) Largest decline over 10 years	-38.58%	-39.24%	+0.66%
Current Drawdown Current decline from peak	-3.82%	-1.60%	-2.22%
Average Drawdown Average peak-to-trough decline	-9.24%	-5.91%	-3.33%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.38%	2.62%	+1.76%

Volatility

GOODX vs. ACMVX - Volatility Comparison

GoodHaven Fund (GOODX) has a higher volatility of 4.29% compared to American Century Mid Cap Value Fund (ACMVX) at 3.19%. This indicates that GOODX'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

	GOODX	ACMVX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.29%	3.19%	+1.10%
Volatility (6M) Calculated over the trailing 6-month period	9.12%	8.63%	+0.49%
Volatility (1Y) Calculated over the trailing 1-year period	12.90%	11.98%	+0.92%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.21%	14.62%	+1.59%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.24%	17.45%	-0.21%

GOODX vs. ACMVX - Expense Ratio Comparison

GOODX has a 1.10% expense ratio, which is higher than ACMVX's 0.97% expense ratio.

Dividends

GOODX vs. ACMVX - Dividend Comparison

GOODX's dividend yield for the trailing twelve months is around 3.02%, less than ACMVX's 13.98% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ACMVX American Century Mid Cap Value Fund	13.98%	14.46%	8.76%	5.24%	15.00%	15.95%	1.83%	1.46%	14.51%	9.49%	4.05%	11.06%
GOODX GoodHaven Fund	3.02%	3.00%	2.43%	1.44%	0.38%	0.13%	0.45%	1.27%	1.27%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both GOODX and ACMVX in my portfolio?

GOODX and ACMVX have a correlation of 0.78, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GOODX or ACMVX?

GOODX has higher volatility (4.29%) compared to ACMVX (3.19%). In terms of maximum drawdown, GOODX dropped -41.43% vs ACMVX's -51.19%.

Which has better risk-adjusted returns?

ACMVX currently has the higher Sharpe Ratio (1.49 vs 0.47), 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.