AZO vs. VOO
AZO (AutoZone, Inc.) is a stock, while VOO (Vanguard S&P 500 ETF) is S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, AZO returned 15.16%/yr vs 15.51%/yr for VOO. At a 0.38 correlation, their price movements are largely independent.
Performance
AZO vs. VOO - Performance Comparison
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Returns By Period
In the year-to-date period, AZO achieves a -9.79% return, which is significantly lower than VOO's 9.00% return. Both investments have delivered pretty close results over the past 10 years, with AZO having a 15.16% annualized return and VOO not far ahead at 15.51%.
AZO
- 1D
- -2.18%
- 1M
- -9.09%
- YTD
- -9.79%
- 6M
- -9.83%
- 1Y
- -15.12%
- 3Y*
- 7.05%
- 5Y*
- 17.16%
- 10Y*
- 15.16%
VOO
- 1D
- -1.21%
- 1M
- 0.37%
- YTD
- 9.00%
- 6M
- 11.04%
- 1Y
- 25.53%
- 3Y*
- 20.52%
- 5Y*
- 13.84%
- 10Y*
- 15.51%
AZO vs. VOO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AZO AutoZone, Inc. | -9.79% | 5.92% | 23.84% | 4.84% | 17.64% | 76.84% | -0.49% | 42.10% | 17.85% | -9.93% |
VOO Vanguard S&P 500 ETF | 9.00% | 17.82% | 24.98% | 26.32% | -18.17% | 28.79% | 18.32% | 31.37% | -4.50% | 21.77% |
Correlation
The correlation between AZO and VOO is 0.12, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.12 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.20 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.31 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.34 |
Correlation (All Time) Calculated using the full available price history since Sep 9, 2010 | 0.38 |
Over the past year, the correlation between AZO and VOO has dropped to 0.12 - well below their long-term average of 0.38, suggesting their price drivers have been diverging.
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Return for Risk
AZO vs. VOO — Risk / Return Rank
AZO
VOO
AZO vs. VOO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for AutoZone, Inc. (AZO) and Vanguard S&P 500 ETF (VOO). 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.
| AZO | VOO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.63 | ||
| Sortino ratioReturn per unit of downside risk | -3.42 | ||
| Omega ratioGain probability vs. loss probability | 0.92 | 1.38 | -0.45 |
| Calmar ratioReturn relative to maximum drawdown | -0.47 | 2.88 | -3.35 |
| Martin ratioReturn relative to average drawdown | -0.96 | 12.99 | -13.94 |
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Drawdowns
AZO vs. VOO - Drawdown Comparison
The maximum AZO drawdown since its inception was -46.32%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for AZO and VOO.
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Drawdown Indicators
| AZO | VOO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -46.32% | -33.99% | -12.33% |
Max Drawdown (1Y)Largest decline over 1 year | -32.59% | -8.90% | -23.69% |
Max Drawdown (3Y)Largest decline over 3 years | -32.59% | -18.69% | -13.90% |
Max Drawdown (5Y)Largest decline over 5 years | -32.59% | -24.52% | -8.07% |
Max Drawdown (10Y)Largest decline over 10 years | -42.14% | -33.99% | -8.15% |
Current DrawdownCurrent decline from peak | -29.74% | -2.41% | -27.33% |
Average DrawdownAverage peak-to-trough decline | -10.89% | -3.68% | -7.21% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 15.81% | 1.97% | +13.84% |
Volatility
AZO vs. VOO - Volatility Comparison
AutoZone, Inc. (AZO) has a higher volatility of 11.60% compared to Vanguard S&P 500 ETF (VOO) at 4.65%. This indicates that AZO's price experiences larger fluctuations and is considered to be riskier than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AZO | VOO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 11.60% | 4.65% | +6.95% |
Volatility (6M)Calculated over the trailing 6-month period | 21.77% | 9.76% | +12.01% |
Volatility (1Y)Calculated over the trailing 1-year period | 27.28% | 12.37% | +14.91% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 24.48% | 16.91% | +7.57% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 26.49% | 18.05% | +8.44% |
Dividends
AZO vs. VOO - Dividend Comparison
AZO has not paid dividends to shareholders, while VOO's dividend yield for the trailing twelve months is around 1.05%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AZO AutoZone, Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
VOO Vanguard S&P 500 ETF | 1.05% | 1.13% | 1.24% | 1.46% | 1.69% | 1.25% | 1.54% | 1.88% | 2.06% | 1.78% | 2.02% | 2.10% |
Frequently Asked Questions
AZO and VOO have a correlation of 0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AZO has higher volatility (11.60%) compared to VOO (4.65%). In terms of maximum drawdown, AZO dropped -46.32% vs VOO's -33.99%.
VOO currently has the higher Sharpe Ratio (2.08 vs -0.56), 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.
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