VCSAX vs. VIIIX

Last updated Jun 24, 2026

VCSAX (Vanguard Consumer Staples Index Fund Admiral Shares) and VIIIX (Vanguard Institutional Index Fund Institutional Plus Shares) are both mutual funds - VCSAX is a Consumer Staples Equities fund managed by Vanguard, while VIIIX is a S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, VCSAX returned 7.83%/yr vs 15.87%/yr for VIIIX. A 0.70 correlation means they provide meaningful diversification when combined. VCSAX charges 0.10%/yr vs 0.02%/yr for VIIIX.

Performance

VCSAX vs. VIIIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Consumer Staples Index Fund Admiral Shares (VCSAX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VCSAX achieves a 6.95% return, which is significantly lower than VIIIX's 9.78% return. Over the past 10 years, VCSAX has underperformed VIIIX with an annualized return of 7.83%, while VIIIX has yielded a comparatively higher 15.87% annualized return.

VCSAX

• 1D: -0.69%
• 1M: -2.21%
• YTD: 6.95%
• 6M: 7.01%
• 1Y: 3.63%
• 3Y*: 7.50%
• 5Y*: 7.15%
• 10Y*: 7.83%

VIIIX

• 1D: -0.37%
• 1M: 0.10%
• YTD: 9.78%
• 6M: 8.78%
• 1Y: 25.51%
• 3Y*: 21.80%
• 5Y*: 13.75%
• 10Y*: 15.87%

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

VCSAX vs. VIIIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VCSAX Vanguard Consumer Staples Index Fund Admiral Shares	6.95%	2.11%	13.29%	2.38%	-1.75%	18.56%	10.90%	26.08%	-7.72%	11.79%
VIIIX Vanguard Institutional Index Fund Institutional Plus Shares	9.78%	17.87%	26.29%	25.79%	-18.14%	28.69%	18.41%	31.48%	-4.41%	21.82%

Correlation

The correlation between VCSAX and VIIIX is 0.01, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.01
Correlation (3Y) Calculated over the trailing 3-year period	0.29
Correlation (5Y) Calculated over the trailing 5-year period	0.46
Correlation (10Y) Calculated over the trailing 10-year period	0.54
Correlation (All Time) Calculated using the full available price history since Jan 30, 2004	0.70

Over the past year, the correlation between VCSAX and VIIIX has dropped to 0.01 - well below their long-term average of 0.70, suggesting their price drivers have been diverging.

VCSAX vs. VIIIX - Sectors Allocation Comparison

Sectors	VCSAX	VIIIX
Consumer Defensive	97.3%	4.5%
Consumer Cyclical	1.7%	9.9%
Basic Materials	0.4%	1.7%
Industrials	0.3%	7.8%
Healthcare	0.0%	8.3%
Communication Services	-	10.7%
Energy	-	3.1%
Financial Services	-	10.9%
Real Estate	-	1.8%
Technology	-	39.1%
Utilities	-	2.1%

Return for Risk

VCSAX vs. VIIIX — Risk / Return Rank

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

VCSAX

VCSAX Risk / Return Rank: 6
VCSAX Sharpe Ratio Rank: 6
VCSAX Sortino Ratio Rank: 6
VCSAX Omega Ratio Rank: 5
VCSAX Calmar Ratio Rank: 6
VCSAX Martin Ratio Rank: 5

VIIIX

VIIIX Risk / Return Rank: 65
VIIIX Sharpe Ratio Rank: 64
VIIIX Sortino Ratio Rank: 57
VIIIX Omega Ratio Rank: 59
VIIIX Calmar Ratio Rank: 68
VIIIX Martin Ratio Rank: 78

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.

VCSAX vs. VIIIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Consumer Staples Index Fund Admiral Shares (VCSAX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX). 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.

	VCSAX	VIIIX	Difference
Sharpe ratio: Return per unit of total volatility	0.40	2.15	-1.75
Sortino ratio: Return per unit of downside risk	0.66	2.91	-2.25
Omega ratio: Gain probability vs. loss probability	1.08	1.39	-0.31
Calmar ratio: Return relative to maximum drawdown	0.55	3.02	-2.47
Martin ratio: Return relative to average drawdown	1.08	13.62	-12.54

VCSAX vs. VIIIX - Sharpe Ratio Comparison

The current VCSAX Sharpe Ratio is 0.40, which is lower than the VIIIX Sharpe Ratio of 2.15. The chart below compares the historical Sharpe Ratios of VCSAX and VIIIX, 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

VCSAX vs. VIIIX - Drawdown Comparison

The maximum VCSAX drawdown since its inception was -34.34%, smaller than the maximum VIIIX drawdown of -55.18%. Use the drawdown chart below to compare losses from any high point for VCSAX and VIIIX.

Drawdown Indicators

	VCSAX	VIIIX	Difference
Max Drawdown Largest peak-to-trough decline	-34.34%	-55.18%	+20.84%
Max Drawdown (1Y) Largest decline over 1 year	-9.28%	-8.90%	-0.38%
Max Drawdown (3Y) Largest decline over 3 years	-11.76%	-18.75%	+6.99%
Max Drawdown (5Y) Largest decline over 5 years	-16.56%	-24.50%	+7.94%
Max Drawdown (10Y) Largest decline over 10 years	-25.08%	-33.79%	+8.71%
Current Drawdown Current decline from peak	-7.53%	-1.72%	-5.81%
Average Drawdown Average peak-to-trough decline	-3.75%	-10.00%	+6.25%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.67%	1.97%	+2.70%

Volatility

VCSAX vs. VIIIX - Volatility Comparison

Vanguard Consumer Staples Index Fund Admiral Shares (VCSAX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX) have volatilities of 4.83% and 4.68%, 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

	VCSAX	VIIIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.83%	4.68%	+0.15%
Volatility (6M) Calculated over the trailing 6-month period	10.22%	9.84%	+0.38%
Volatility (1Y) Calculated over the trailing 1-year period	12.70%	12.50%	+0.20%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.20%	16.98%	-3.78%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.69%	18.11%	-3.42%

VCSAX vs. VIIIX - Expense Ratio Comparison

VCSAX has a 0.10% expense ratio, which is higher than VIIIX's 0.02% 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

VCSAX vs. VIIIX - Dividend Comparison

VCSAX's dividend yield for the trailing twelve months is around 2.15%, less than VIIIX's 2.45% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
VCSAX Vanguard Consumer Staples Index Fund Admiral Shares	2.15%	2.26%	2.33%	2.65%	2.37%	2.99%	2.50%	2.44%	2.78%	2.52%	2.40%	2.56%
VIIIX Vanguard Institutional Index Fund Institutional Plus Shares	2.45%	2.11%	3.66%	2.66%	3.39%	4.79%	3.07%	2.86%	2.45%	1.84%	2.38%	2.47%

Frequently Asked Questions

Can I hold both VCSAX and VIIIX in my portfolio?

VCSAX and VIIIX have a correlation of 0.01, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VCSAX or VIIIX?

VCSAX has higher volatility (4.83%) compared to VIIIX (4.68%). In terms of maximum drawdown, VCSAX dropped -34.34% vs VIIIX's -55.18%.

Which has better risk-adjusted returns?

VIIIX currently has the higher Sharpe Ratio (2.15 vs 0.40), 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.