FDETX vs. ACIIX

Last updated Apr 1, 2026

Compare and contrast key facts about Fidelity Advisor Capital Development Fund Class O (FDETX) and American Century Equity Income Fund Class I (ACIIX).

FDETX is managed by Fidelity. It was launched on Dec 30, 1985. ACIIX is managed by American Century. It was launched on Jul 8, 1998.

Performance

FDETX vs. ACIIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Advisor Capital Development Fund Class O (FDETX) and American Century Equity Income Fund Class I (ACIIX). The values are adjusted to include any dividend payments, if applicable.

FDETX vs. ACIIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FDETX Fidelity Advisor Capital Development Fund Class O	-5.03%	27.60%	27.07%	24.20%	-8.00%	25.32%	9.12%	31.39%	-9.09%	16.45%
ACIIX American Century Equity Income Fund Class I	2.73%	12.05%	10.58%	4.25%	-2.96%	17.16%	1.19%	24.50%	-3.53%	13.69%

Returns By Period

In the year-to-date period, FDETX achieves a -5.03% return, which is significantly lower than ACIIX's 2.73% return. Over the past 10 years, FDETX has outperformed ACIIX with an annualized return of 14.66%, while ACIIX has yielded a comparatively lower 8.89% annualized return.

FDETX

• 1D: -0.61%
• 1M: -8.06%
• YTD: -5.03%
• 6M: -0.14%
• 1Y: 24.08%
• 3Y*: 21.48%
• 5Y*: 14.54%
• 10Y*: 14.66%

ACIIX

• 1D: 0.00%
• 1M: -5.73%
• YTD: 2.73%
• 6M: 4.62%
• 1Y: 9.92%
• 3Y*: 9.70%
• 5Y*: 7.47%
• 10Y*: 8.89%

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

FDETX vs. ACIIX - Expense Ratio Comparison

FDETX has a 0.56% expense ratio, which is lower than ACIIX's 0.72% expense ratio.

ACIIX

American Century Equity Income Fund Class I

FDETX

Fidelity Advisor Capital Development Fund Class O

Return for Risk

FDETX vs. ACIIX — Risk / Return Rank

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

FDETX

FDETX Risk / Return Rank: 78
FDETX Sharpe Ratio Rank: 76
FDETX Sortino Ratio Rank: 77
FDETX Omega Ratio Rank: 79
FDETX Calmar Ratio Rank: 77
FDETX Martin Ratio Rank: 82

ACIIX

ACIIX Risk / Return Rank: 45
ACIIX Sharpe Ratio Rank: 48
ACIIX Sortino Ratio Rank: 47
ACIIX Omega Ratio Rank: 44
ACIIX Calmar Ratio Rank: 44
ACIIX Martin Ratio Rank: 43

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.

FDETX vs. ACIIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Capital Development Fund Class O (FDETX) and American Century Equity Income Fund Class I (ACIIX). 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.

	FDETX	ACIIX	Difference
Sharpe ratio Return per unit of total volatility	1.34	0.93	+0.41
Sortino ratio Return per unit of downside risk	1.90	1.35	+0.55
Omega ratio Gain probability vs. loss probability	1.30	1.19	+0.12
Calmar ratio Return relative to maximum drawdown	1.78	1.11	+0.67
Martin ratio Return relative to average drawdown	8.19	4.37	+3.82
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FDETX vs. ACIIX - Sharpe Ratio Comparison

The current FDETX Sharpe Ratio is 1.34, which is higher than the ACIIX Sharpe Ratio of 0.93. The chart below compares the historical Sharpe Ratios of FDETX and ACIIX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	FDETX	ACIIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.34	0.93	+0.41
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.83	0.70	+0.13
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.78	0.67	+0.11
Sharpe Ratio (All Time) Calculated using the full available price history	0.62	0.53	+0.10

Correlation

The correlation between FDETX and ACIIX is 0.82, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

FDETX vs. ACIIX - Dividend Comparison

FDETX's dividend yield for the trailing twelve months is around 10.89%, more than ACIIX's 10.28% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FDETX Fidelity Advisor Capital Development Fund Class O	10.89%	10.34%	8.95%	4.39%	5.66%	5.63%	4.47%	7.46%	15.81%	5.34%	2.92%	5.97%
ACIIX American Century Equity Income Fund Class I	10.28%	10.55%	11.71%	8.21%	8.96%	7.02%	2.18%	7.57%	9.05%	12.14%	8.08%	10.72%

Drawdowns

FDETX vs. ACIIX - Drawdown Comparison

The maximum FDETX drawdown since its inception was -66.86%, which is greater than ACIIX's maximum drawdown of -39.16%. Use the drawdown chart below to compare losses from any high point for FDETX and ACIIX.

Drawdown Indicators

	FDETX	ACIIX	Difference
Max Drawdown Largest peak-to-trough decline	-66.86%	-39.16%	-27.70%
Max Drawdown (1Y) Largest decline over 1 year	-12.42%	-8.96%	-3.46%
Max Drawdown (5Y) Largest decline over 5 years	-21.72%	-13.49%	-8.23%
Max Drawdown (10Y) Largest decline over 10 years	-36.61%	-32.76%	-3.85%
Current Drawdown Current decline from peak	-9.64%	-5.73%	-3.91%
Average Drawdown Average peak-to-trough decline	-11.26%	-5.26%	-6.00%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.70%	2.30%	+0.40%

Volatility

FDETX vs. ACIIX - Volatility Comparison

Fidelity Advisor Capital Development Fund Class O (FDETX) has a higher volatility of 4.48% compared to American Century Equity Income Fund Class I (ACIIX) at 2.76%. This indicates that FDETX's price experiences larger fluctuations and is considered to be riskier than ACIIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FDETX	ACIIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.48%	2.76%	+1.72%
Volatility (6M) Calculated over the trailing 6-month period	9.55%	6.05%	+3.50%
Volatility (1Y) Calculated over the trailing 1-year period	18.39%	11.61%	+6.78%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.56%	10.74%	+6.82%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.82%	13.37%	+5.45%