FSWCX vs. ACIIX

Last updated Apr 1, 2026

Compare and contrast key facts about Fidelity SAI U.S. Value Index Fund (FSWCX) and American Century Equity Income Fund Class I (ACIIX).

FSWCX is managed by Fidelity. It was launched on Dec 19, 2017. ACIIX is managed by American Century. It was launched on Jul 8, 1998.

Performance

FSWCX vs. ACIIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity SAI U.S. Value Index Fund (FSWCX) and American Century Equity Income Fund Class I (ACIIX). The values are adjusted to include any dividend payments, if applicable.

FSWCX vs. ACIIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FSWCX Fidelity SAI U.S. Value Index Fund	-0.37%	22.50%	19.90%	12.64%	-3.50%	30.43%	-4.44%	29.09%	-11.54%	0.77%
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%	0.17%

Returns By Period

In the year-to-date period, FSWCX achieves a -0.37% return, which is significantly lower than ACIIX's 2.73% return.

FSWCX

• 1D: -0.15%
• 1M: -4.63%
• YTD: -0.37%
• 6M: 5.91%
• 1Y: 19.12%
• 3Y*: 17.65%
• 5Y*: 12.31%
• 10Y*: —

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)

FSWCX vs. ACIIX - Expense Ratio Comparison

FSWCX has a 0.10% expense ratio, which is lower than ACIIX's 0.72% expense ratio.

ACIIX

American Century Equity Income Fund Class I

FSWCX

Fidelity SAI U.S. Value Index Fund

Return for Risk

FSWCX vs. ACIIX — Risk / Return Rank

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

FSWCX

FSWCX Risk / Return Rank: 63
FSWCX Sharpe Ratio Rank: 66
FSWCX Sortino Ratio Rank: 65
FSWCX Omega Ratio Rank: 69
FSWCX Calmar Ratio Rank: 55
FSWCX Martin Ratio Rank: 63

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.

FSWCX vs. ACIIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity SAI U.S. Value Index Fund (FSWCX) 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.

	FSWCX	ACIIX	Difference
Sharpe ratio Return per unit of total volatility	1.17	0.93	+0.24
Sortino ratio Return per unit of downside risk	1.64	1.35	+0.30
Omega ratio Gain probability vs. loss probability	1.26	1.19	+0.07
Calmar ratio Return relative to maximum drawdown	1.31	1.11	+0.20
Martin ratio Return relative to average drawdown	6.00	4.37	+1.63
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FSWCX vs. ACIIX - Sharpe Ratio Comparison

The current FSWCX Sharpe Ratio is 1.17, which is comparable to the ACIIX Sharpe Ratio of 0.93. The chart below compares the historical Sharpe Ratios of FSWCX 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

	FSWCX	ACIIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.17	0.93	+0.24
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.74	0.70	+0.04
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.67	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.50	0.53	-0.03

Correlation

The correlation between FSWCX and ACIIX is 0.86, 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

FSWCX vs. ACIIX - Dividend Comparison

FSWCX's dividend yield for the trailing twelve months is around 7.43%, less than ACIIX's 10.28% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSWCX Fidelity SAI U.S. Value Index Fund	7.43%	7.40%	8.86%	9.68%	12.90%	5.71%	2.55%	2.37%	3.84%	0.07%	0.00%	0.00%
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

FSWCX vs. ACIIX - Drawdown Comparison

The maximum FSWCX drawdown since its inception was -41.41%, which is greater than ACIIX's maximum drawdown of -39.16%. Use the drawdown chart below to compare losses from any high point for FSWCX and ACIIX.

Drawdown Indicators

	FSWCX	ACIIX	Difference
Max Drawdown Largest peak-to-trough decline	-41.41%	-39.16%	-2.25%
Max Drawdown (1Y) Largest decline over 1 year	-13.65%	-8.96%	-4.69%
Max Drawdown (5Y) Largest decline over 5 years	-19.62%	-13.49%	-6.13%
Max Drawdown (10Y) Largest decline over 10 years	—	-32.76%	—
Current Drawdown Current decline from peak	-5.77%	-5.73%	-0.04%
Average Drawdown Average peak-to-trough decline	-5.68%	-5.26%	-0.42%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.01%	2.30%	+0.71%

Volatility

FSWCX vs. ACIIX - Volatility Comparison

Fidelity SAI U.S. Value Index Fund (FSWCX) has a higher volatility of 3.16% compared to American Century Equity Income Fund Class I (ACIIX) at 2.76%. This indicates that FSWCX'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

	FSWCX	ACIIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.16%	2.76%	+0.40%
Volatility (6M) Calculated over the trailing 6-month period	8.50%	6.05%	+2.45%
Volatility (1Y) Calculated over the trailing 1-year period	17.50%	11.61%	+5.89%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.74%	10.74%	+6.00%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.95%	13.37%	+7.58%