NAESX vs. VIGIX

Last updated Jun 4, 2026

NAESX (Vanguard Small Cap Index Fund) and VIGIX (Vanguard Growth Index Fund Institutional Shares) are both mutual funds - NAESX is a Small Cap Blend Equities fund managed by Vanguard, while VIGIX is a Large Cap Growth Equities fund managed by Vanguard. Over the past 10 years, NAESX returned 11.23%/yr vs 18.40%/yr for VIGIX. Their correlation of 0.82 suggests significant overlap in exposure. NAESX charges 0.17%/yr vs 0.04%/yr for VIGIX.

Performance

NAESX vs. VIGIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Small Cap Index Fund (NAESX) and Vanguard Growth Index Fund Institutional Shares (VIGIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NAESX achieves a 14.87% return, which is significantly higher than VIGIX's 10.83% return. Over the past 10 years, NAESX has underperformed VIGIX with an annualized return of 11.23%, while VIGIX has yielded a comparatively higher 18.40% annualized return.

NAESX

• 1D: 0.79%
• 1M: 4.22%
• YTD: 14.87%
• 6M: 14.82%
• 1Y: 29.50%
• 3Y*: 17.17%
• 5Y*: 7.21%
• 10Y*: 11.23%

VIGIX

• 1D: -0.28%
• 1M: 7.55%
• YTD: 10.83%
• 6M: 10.12%
• 1Y: 29.46%
• 3Y*: 26.47%
• 5Y*: 15.72%
• 10Y*: 18.40%

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

NAESX vs. VIGIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NAESX Vanguard Small Cap Index Fund	14.87%	8.71%	12.83%	19.35%	-17.71%	17.60%	18.92%	27.22%	-9.44%	16.10%
VIGIX Vanguard Growth Index Fund Institutional Shares	10.83%	19.44%	32.68%	46.77%	-33.13%	27.27%	40.19%	37.26%	-3.34%	27.81%

Correlation

The correlation between NAESX and VIGIX is 0.61, 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	0.61
Correlation (3Y) Calculated over the trailing 3-year period	0.63
Correlation (5Y) Calculated over the trailing 5-year period	0.73
Correlation (10Y) Calculated over the trailing 10-year period	0.74
Correlation (All Time) Calculated using the full available price history since May 15, 1998	0.82

Over the past year, the correlation between NAESX and VIGIX has dropped to 0.61 - well below their long-term average of 0.82, suggesting their price drivers have been diverging.

Return for Risk

NAESX vs. VIGIX — Risk / Return Rank

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

NAESX

NAESX Risk / Return Rank: 54
NAESX Sharpe Ratio Rank: 43
NAESX Sortino Ratio Rank: 43
NAESX Omega Ratio Rank: 39
NAESX Calmar Ratio Rank: 77
NAESX Martin Ratio Rank: 67

VIGIX

VIGIX Risk / Return Rank: 34
VIGIX Sharpe Ratio Rank: 43
VIGIX Sortino Ratio Rank: 38
VIGIX Omega Ratio Rank: 39
VIGIX Calmar Ratio Rank: 25
VIGIX Martin Ratio Rank: 27

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.

NAESX vs. VIGIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Small Cap Index Fund (NAESX) and Vanguard Growth Index Fund Institutional Shares (VIGIX). 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.

	NAESX	VIGIX	Difference
Sharpe ratio Return per unit of total volatility	1.93	1.92	+0.01
Sortino ratio Return per unit of downside risk	2.73	2.59	+0.14
Omega ratio Gain probability vs. loss probability	1.33	1.33	0.00
Calmar ratio Return relative to maximum drawdown	3.49	1.85	+1.64
Martin ratio Return relative to average drawdown	12.88	6.49	+6.39
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NAESX vs. VIGIX - Sharpe Ratio Comparison

The current NAESX Sharpe Ratio is 1.93, which is comparable to the VIGIX Sharpe Ratio of 1.92. The chart below compares the historical Sharpe Ratios of NAESX and VIGIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	NAESX	VIGIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.93	1.92	+0.01
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.35	0.71	-0.36
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.52	0.86	-0.33
Sharpe Ratio (All Time) Calculated using the full available price history	0.43	0.47	-0.04

Drawdowns

NAESX vs. VIGIX - Drawdown Comparison

The maximum NAESX drawdown since its inception was -59.77%, roughly equal to the maximum VIGIX drawdown of -56.95%. Use the drawdown chart below to compare losses from any high point for NAESX and VIGIX.

Drawdown Indicators

	NAESX	VIGIX	Difference
Max Drawdown Largest peak-to-trough decline	-59.77%	-56.95%	-2.82%
Max Drawdown (1Y) Largest decline over 1 year	-8.98%	-16.51%	+7.53%
Max Drawdown (3Y) Largest decline over 3 years	-25.28%	-23.03%	-2.25%
Max Drawdown (5Y) Largest decline over 5 years	-28.19%	-35.62%	+7.43%
Max Drawdown (10Y) Largest decline over 10 years	-41.82%	-35.62%	-6.20%
Current Drawdown Current decline from peak	0.00%	-0.28%	+0.28%
Average Drawdown Average peak-to-trough decline	-11.82%	-16.28%	+4.46%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.43%	4.68%	-2.25%

Volatility

NAESX vs. VIGIX - Volatility Comparison

Vanguard Small Cap Index Fund (NAESX) has a higher volatility of 4.41% compared to Vanguard Growth Index Fund Institutional Shares (VIGIX) at 3.62%. This indicates that NAESX's price experiences larger fluctuations and is considered to be riskier than VIGIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NAESX	VIGIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.41%	3.62%	+0.79%
Volatility (6M) Calculated over the trailing 6-month period	11.72%	12.10%	-0.38%
Volatility (1Y) Calculated over the trailing 1-year period	16.27%	15.87%	+0.40%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.72%	22.35%	-1.63%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.60%	21.59%	+0.01%

NAESX vs. VIGIX - Expense Ratio Comparison

NAESX has a 0.17% expense ratio, which is higher than VIGIX's 0.04% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

NAESX vs. VIGIX - Dividend Comparison

NAESX's dividend yield for the trailing twelve months is around 1.08%, more than VIGIX's 0.37% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NAESX Vanguard Small Cap Index Fund	1.08%	1.22%	1.19%	1.43%	1.41%	1.12%	1.05%	1.27%	1.53%	1.24%	1.39%	1.35%
VIGIX Vanguard Growth Index Fund Institutional Shares	0.37%	0.41%	0.47%	0.58%	0.70%	0.48%	0.66%	0.95%	1.32%	1.15%	1.40%	1.31%

Frequently Asked Questions

Can I hold both NAESX and VIGIX in my portfolio?

NAESX and VIGIX have a correlation of 0.61, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, NAESX or VIGIX?

NAESX has higher volatility (4.41%) compared to VIGIX (3.62%). In terms of maximum drawdown, NAESX dropped -59.77% vs VIGIX's -56.95%.

Which has better risk-adjusted returns?

NAESX currently has the higher Sharpe Ratio (1.93 vs 1.92), 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.