AMAEX vs. VSIIX

Last updated Apr 1, 2026

Compare and contrast key facts about American Century Small Cap Dividend Fund (AMAEX) and Vanguard Small-Cap Value Index Fund Institutional Shares (VSIIX).

AMAEX is managed by American Century. It was launched on Apr 4, 2022. VSIIX is managed by Vanguard. It was launched on Dec 7, 1999.

Performance

AMAEX vs. VSIIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Century Small Cap Dividend Fund (AMAEX) and Vanguard Small-Cap Value Index Fund Institutional Shares (VSIIX). The values are adjusted to include any dividend payments, if applicable.

AMAEX vs. VSIIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
AMAEX American Century Small Cap Dividend Fund	2.40%	-4.42%	11.05%	8.86%	-2.96%
VSIIX Vanguard Small-Cap Value Index Fund Institutional Shares	0.79%	9.10%	11.37%	17.06%	-4.66%

Returns By Period

In the year-to-date period, AMAEX achieves a 2.40% return, which is significantly higher than VSIIX's 0.79% return.

AMAEX

• 1D: -0.10%
• 1M: -6.22%
• YTD: 2.40%
• 6M: 2.65%
• 1Y: 3.04%
• 3Y*: 5.73%
• 5Y*: —
• 10Y*: —

VSIIX

• 1D: -0.41%
• 1M: -7.11%
• YTD: 0.79%
• 6M: 2.85%
• 1Y: 16.28%
• 3Y*: 12.52%
• 5Y*: 7.36%
• 10Y*: 9.85%

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

AMAEX vs. VSIIX - Expense Ratio Comparison

AMAEX has a 1.13% expense ratio, which is higher than VSIIX's 0.06% expense ratio.

AMAEX

American Century Small Cap Dividend Fund

VSIIX

Vanguard Small-Cap Value Index Fund Institutional Shares

Return for Risk

AMAEX vs. VSIIX — Risk / Return Rank

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

AMAEX

AMAEX Risk / Return Rank: 8
AMAEX Sharpe Ratio Rank: 8
AMAEX Sortino Ratio Rank: 8
AMAEX Omega Ratio Rank: 8
AMAEX Calmar Ratio Rank: 8
AMAEX Martin Ratio Rank: 8

VSIIX

VSIIX Risk / Return Rank: 40
VSIIX Sharpe Ratio Rank: 39
VSIIX Sortino Ratio Rank: 43
VSIIX Omega Ratio Rank: 38
VSIIX Calmar Ratio Rank: 40
VSIIX Martin Ratio Rank: 42

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.

AMAEX vs. VSIIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Century Small Cap Dividend Fund (AMAEX) and Vanguard Small-Cap Value Index Fund Institutional Shares (VSIIX). 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.

	AMAEX	VSIIX	Difference
Sharpe ratio Return per unit of total volatility	0.16	0.82	-0.66
Sortino ratio Return per unit of downside risk	0.38	1.28	-0.90
Omega ratio Gain probability vs. loss probability	1.05	1.17	-0.12
Calmar ratio Return relative to maximum drawdown	0.13	1.04	-0.90
Martin ratio Return relative to average drawdown	0.39	4.29	-3.90
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AMAEX vs. VSIIX - Sharpe Ratio Comparison

The current AMAEX Sharpe Ratio is 0.16, which is lower than the VSIIX Sharpe Ratio of 0.82. The chart below compares the historical Sharpe Ratios of AMAEX and VSIIX, 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

	AMAEX	VSIIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.16	0.82	-0.66
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.37	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.45	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.18	0.42	-0.24

Correlation

The correlation between AMAEX and VSIIX is 0.96, 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

AMAEX vs. VSIIX - Dividend Comparison

AMAEX's dividend yield for the trailing twelve months is around 2.10%, more than VSIIX's 1.96% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AMAEX American Century Small Cap Dividend Fund	2.10%	2.57%	1.37%	1.99%	2.56%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
VSIIX Vanguard Small-Cap Value Index Fund Institutional Shares	1.96%	1.96%	1.99%	2.10%	2.04%	1.76%	1.69%	2.07%	2.36%	1.80%	1.77%	1.99%

Drawdowns

AMAEX vs. VSIIX - Drawdown Comparison

The maximum AMAEX drawdown since its inception was -23.97%, smaller than the maximum VSIIX drawdown of -62.05%. Use the drawdown chart below to compare losses from any high point for AMAEX and VSIIX.

Drawdown Indicators

	AMAEX	VSIIX	Difference
Max Drawdown Largest peak-to-trough decline	-23.97%	-62.05%	+38.08%
Max Drawdown (1Y) Largest decline over 1 year	-15.37%	-14.16%	-1.21%
Max Drawdown (5Y) Largest decline over 5 years	—	-24.09%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-45.38%	—
Current Drawdown Current decline from peak	-8.72%	-8.24%	-0.48%
Average Drawdown Average peak-to-trough decline	-7.72%	-8.57%	+0.85%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.20%	3.42%	+1.78%

Volatility

AMAEX vs. VSIIX - Volatility Comparison

American Century Small Cap Dividend Fund (AMAEX) and Vanguard Small-Cap Value Index Fund Institutional Shares (VSIIX) have volatilities of 4.70% and 4.89%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AMAEX	VSIIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.70%	4.89%	-0.19%
Volatility (6M) Calculated over the trailing 6-month period	12.02%	11.02%	+1.00%
Volatility (1Y) Calculated over the trailing 1-year period	22.10%	20.61%	+1.49%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.87%	19.83%	+0.04%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.87%	21.81%	-1.94%