AAP vs. ORLY

Last updated Jun 3, 2026

AAP (Advance Auto Parts, Inc.) and ORLY (O'Reilly Automotive, Inc.) are both stocks. Both operate in the Specialty Retail industry within the Consumer Cyclical sector. Over the past 10 years, AAP returned -7.91%/yr vs 17.42%/yr for ORLY. A 0.56 correlation means they provide meaningful diversification when combined.

Performance

AAP vs. ORLY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Advance Auto Parts, Inc. (AAP) and O'Reilly Automotive, Inc. (ORLY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, AAP achieves a 48.22% return, which is significantly higher than ORLY's -5.46% return. Over the past 10 years, AAP has underperformed ORLY with an annualized return of -7.91%, while ORLY has yielded a comparatively higher 17.42% annualized return.

AAP

• 1D: -2.78%
• 1M: -2.17%
• YTD: 48.22%
• 6M: 10.55%
• 1Y: 18.21%
• 3Y*: -3.25%
• 5Y*: -19.38%
• 10Y*: -7.91%

ORLY

• 1D: -0.47%
• 1M: -10.80%
• YTD: -5.46%
• 6M: -13.63%
• 1Y: -5.63%
• 3Y*: 13.05%
• 5Y*: 19.61%
• 10Y*: 17.42%

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

AAP vs. ORLY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AAP Advance Auto Parts, Inc.	48.22%	-15.01%	-21.10%	-57.62%	-36.50%	54.68%	-0.90%	1.87%	58.22%	-40.93%
ORLY O'Reilly Automotive, Inc.	-5.46%	15.38%	24.81%	12.56%	19.51%	56.05%	3.27%	27.28%	43.15%	-13.60%

Correlation

The correlation between AAP and ORLY is 0.44, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.44
Correlation (3Y) Calculated over the trailing 3-year period	0.36
Correlation (5Y) Calculated over the trailing 5-year period	0.46
Correlation (10Y) Calculated over the trailing 10-year period	0.56
Correlation (All Time) Calculated using the full available price history since Nov 30, 2001	0.56

The correlation between AAP and ORLY shifts across timeframes, from 0.36 (3 years) to 0.56 (10 years), reflecting how their relationship changes across market environments.

Fundamentals

EPS AAP : $1.96 ORLY : $3.06
PE Ratio AAP : 29.36 ORLY : 28.19
PS Ratio AAP : 0.43 ORLY : 4.03
Total Revenue (TTM) AAP : $6.02B ORLY : $18.21B
Gross Profit (TTM) AAP : $2.62B ORLY : $9.40B
EBITDA (TTM) AAP : $592.00M ORLY : $3.96B

Return for Risk

AAP vs. ORLY — Risk / Return Rank

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

AAP

AAP Risk / Return Rank: 51
AAP Sharpe Ratio Rank: 52
AAP Sortino Ratio Rank: 50
AAP Omega Ratio Rank: 48
AAP Calmar Ratio Rank: 53
AAP Martin Ratio Rank: 53

ORLY

ORLY Risk / Return Rank: 28
ORLY Sharpe Ratio Rank: 30
ORLY Sortino Ratio Rank: 25
ORLY Omega Ratio Rank: 26
ORLY Calmar Ratio Rank: 31
ORLY Martin Ratio Rank: 31

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.

AAP vs. ORLY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Advance Auto Parts, Inc. (AAP) and O'Reilly Automotive, Inc. (ORLY). 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.

	AAP	ORLY	Difference
Sharpe ratio Return per unit of total volatility	0.34	-0.25	+0.59
Sortino ratio Return per unit of downside risk	0.89	-0.21	+1.09
Omega ratio Gain probability vs. loss probability	1.10	0.98	+0.13
Calmar ratio Return relative to maximum drawdown	0.55	-0.27	+0.82
Martin ratio Return relative to average drawdown	1.14	-0.52	+1.66
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AAP vs. ORLY - Sharpe Ratio Comparison

The current AAP Sharpe Ratio is 0.34, which is higher than the ORLY Sharpe Ratio of -0.25. The chart below compares the historical Sharpe Ratios of AAP and ORLY, 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

	AAP	ORLY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.34	-0.25	+0.59
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.37	0.87	-1.24
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.18	0.66	-0.84
Sharpe Ratio (All Time) Calculated using the full available price history	0.18	0.64	-0.46

Drawdowns

AAP vs. ORLY - Drawdown Comparison

The maximum AAP drawdown since its inception was -86.41%, which is greater than ORLY's maximum drawdown of -65.42%. Use the drawdown chart below to compare losses from any high point for AAP and ORLY.

Drawdown Indicators

	AAP	ORLY	Difference
Max Drawdown Largest peak-to-trough decline	-86.41%	-65.42%	-20.99%
Max Drawdown (1Y) Largest decline over 1 year	-41.44%	-20.02%	-21.42%
Max Drawdown (3Y) Largest decline over 3 years	-64.25%	-20.02%	-44.23%
Max Drawdown (5Y) Largest decline over 5 years	-86.41%	-23.03%	-63.38%
Max Drawdown (10Y) Largest decline over 10 years	-86.41%	-42.00%	-44.41%
Current Drawdown Current decline from peak	-73.44%	-20.02%	-53.42%
Average Drawdown Average peak-to-trough decline	-23.74%	-10.78%	-12.96%
Ulcer Index Depth and duration of drawdowns from previous peaks	19.86%	10.35%	+9.51%

Volatility

AAP vs. ORLY - Volatility Comparison

Advance Auto Parts, Inc. (AAP) has a higher volatility of 22.38% compared to O'Reilly Automotive, Inc. (ORLY) at 6.71%. This indicates that AAP's price experiences larger fluctuations and is considered to be riskier than ORLY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AAP	ORLY	Difference
Volatility (1M) Calculated over the trailing 1-month period	22.38%	6.71%	+15.67%
Volatility (6M) Calculated over the trailing 6-month period	38.70%	17.99%	+20.71%
Volatility (1Y) Calculated over the trailing 1-year period	53.78%	22.83%	+30.95%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	53.00%	22.60%	+30.40%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	45.07%	26.51%	+18.56%

Dividends

AAP vs. ORLY - Dividend Comparison

AAP's dividend yield for the trailing twelve months is around 1.73%, while ORLY has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AAP Advance Auto Parts, Inc.	1.73%	2.54%	2.11%	3.28%	4.08%	1.35%	0.63%	0.15%	0.15%	0.24%	0.14%	0.16%
ORLY O'Reilly Automotive, 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%

Financials

Frequently Asked Questions

Can I hold both AAP and ORLY in my portfolio?

AAP and ORLY have a correlation of 0.44, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, AAP or ORLY?

AAP has higher volatility (22.38%) compared to ORLY (6.71%). In terms of maximum drawdown, AAP dropped -86.41% vs ORLY's -65.42%.

Which has better risk-adjusted returns?

AAP currently has the higher Sharpe Ratio (0.34 vs -0.25), 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.