VTI vs. COST

Last updated Jun 9, 2026

VTI (Vanguard Total Stock Market ETF) is Large Cap Blend Equities fund tracking the CRSP US Total Market Index, while COST (Costco Wholesale Corporation) is a stock. Over the past 10 years, VTI returned 14.84%/yr vs 22.25%/yr for COST. A 0.54 correlation means they provide meaningful diversification when combined.

Performance

VTI vs. COST - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Total Stock Market ETF (VTI) and Costco Wholesale Corporation (COST). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VTI achieves a 9.05% return, which is significantly lower than COST's 13.35% return. Over the past 10 years, VTI has underperformed COST with an annualized return of 14.84%, while COST has yielded a comparatively higher 22.25% annualized return.

VTI

• 1D: 0.30%
• 1M: 0.44%
• YTD: 9.05%
• 6M: 8.94%
• 1Y: 24.96%
• 3Y*: 21.05%
• 5Y*: 12.25%
• 10Y*: 14.84%

COST

• 1D: 0.30%
• 1M: -3.37%
• YTD: 13.35%
• 6M: 10.14%
• 1Y: -3.42%
• 3Y*: 25.18%
• 5Y*: 22.05%
• 10Y*: 22.25%

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

VTI vs. COST - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VTI Vanguard Total Stock Market ETF	9.05%	17.10%	23.81%	26.05%	-19.52%	25.68%	21.08%	30.67%	-5.23%	21.21%
COST Costco Wholesale Corporation	13.35%	-5.39%	39.62%	49.00%	-19.05%	51.82%	32.67%	45.70%	10.60%	22.37%

Correlation

The correlation between VTI and COST is -0.02, 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	-0.02
Correlation (3Y) Calculated over the trailing 3-year period	0.35
Correlation (5Y) Calculated over the trailing 5-year period	0.48
Correlation (10Y) Calculated over the trailing 10-year period	0.49
Correlation (All Time) Calculated using the full available price history since Jun 1, 2001	0.54

The correlation between VTI and COST shifts across timeframes, from -0.02 (1 year) to 0.54 (all time), reflecting how their relationship changes across market environments.

Return for Risk

VTI vs. COST — Risk / Return Rank

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

VTI

VTI Risk / Return Rank: 68
VTI Sharpe Ratio Rank: 68
VTI Sortino Ratio Rank: 66
VTI Omega Ratio Rank: 68
VTI Calmar Ratio Rank: 62
VTI Martin Ratio Rank: 75

COST

COST Risk / Return Rank: 32
COST Sharpe Ratio Rank: 34
COST Sortino Ratio Rank: 28
COST Omega Ratio Rank: 28
COST Calmar Ratio Rank: 35
COST Martin Ratio Rank: 33

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.

VTI vs. COST - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Total Stock Market ETF (VTI) and Costco Wholesale Corporation (COST). 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.

	VTI	COST	Difference
Sharpe ratio: Return per unit of total volatility	2.02	-0.18	+2.20
Sortino ratio: Return per unit of downside risk	2.73	-0.13	+2.86
Omega ratio: Gain probability vs. loss probability	1.36	0.98	+0.38
Calmar ratio: Return relative to maximum drawdown	2.81	-0.22	+3.03
Martin ratio: Return relative to average drawdown	12.85	-0.51	+13.36
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VTI vs. COST - Sharpe Ratio Comparison

The current VTI Sharpe Ratio is 2.02, which is higher than the COST Sharpe Ratio of -0.18. The chart below compares the historical Sharpe Ratios of VTI and COST, 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

	VTI	COST	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.02	-0.18	+2.20
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.71	0.98	-0.27
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.81	1.02	-0.20
Sharpe Ratio (All Time) Calculated using the full available price history	0.50	0.59	-0.08

Drawdowns

VTI vs. COST - Drawdown Comparison

The maximum VTI drawdown since its inception was -55.45%, roughly equal to the maximum COST drawdown of -53.39%. Use the drawdown chart below to compare losses from any high point for VTI and COST.

Drawdown Indicators

	VTI	COST	Difference
Max Drawdown Largest peak-to-trough decline	-55.45%	-53.39%	-2.06%
Max Drawdown (1Y) Largest decline over 1 year	-8.92%	-15.38%	+6.46%
Max Drawdown (3Y) Largest decline over 3 years	-19.30%	-20.74%	+1.44%
Max Drawdown (5Y) Largest decline over 5 years	-25.36%	-31.40%	+6.04%
Max Drawdown (10Y) Largest decline over 10 years	-35.00%	-31.40%	-3.60%
Current Drawdown Current decline from peak	-2.64%	-10.93%	+8.29%
Average Drawdown Average peak-to-trough decline	-8.02%	-13.36%	+5.34%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.95%	7.15%	-5.20%

Volatility

VTI vs. COST - Volatility Comparison

The current volatility for Vanguard Total Stock Market ETF (VTI) is 3.88%, while Costco Wholesale Corporation (COST) has a volatility of 7.71%. This indicates that VTI experiences smaller price fluctuations and is considered to be less risky than COST based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VTI	COST	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.88%	7.71%	-3.83%
Volatility (6M) Calculated over the trailing 6-month period	9.55%	14.53%	-4.98%
Volatility (1Y) Calculated over the trailing 1-year period	12.44%	18.79%	-6.35%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.44%	22.71%	-5.27%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.33%	21.95%	-3.62%

Dividends

VTI vs. COST - Dividend Comparison

VTI's dividend yield for the trailing twelve months is around 1.03%, more than COST's 0.55% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COST Costco Wholesale Corporation	0.55%	0.59%	0.49%	2.87%	0.76%	0.54%	3.38%	0.86%	1.08%	4.81%	1.09%	4.06%
VTI Vanguard Total Stock Market ETF	1.03%	1.12%	1.27%	1.44%	1.66%	1.21%	1.42%	1.78%	2.04%	1.71%	1.92%	1.98%

Frequently Asked Questions

Can I hold both VTI and COST in my portfolio?

VTI and COST have a correlation of -0.02, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VTI or COST?

COST has higher volatility (7.71%) compared to VTI (3.88%). In terms of maximum drawdown, VTI dropped -55.45% vs COST's -53.39%.

Which has better risk-adjusted returns?

VTI currently has the higher Sharpe Ratio (2.02 vs -0.18), 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.