ORLY vs. AAP

Last updated Apr 1, 2026

Compare and contrast key facts about O'Reilly Automotive, Inc. (ORLY) and Advance Auto Parts, Inc. (AAP).

Performance

ORLY vs. AAP - Performance Comparison

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

ORLY vs. AAP - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ORLY O'Reilly Automotive, Inc.	1.21%	15.38%	24.81%	12.56%	19.51%	56.05%	3.27%	27.28%	43.15%	-13.60%
AAP Advance Auto Parts, Inc.	35.02%	-15.01%	-21.10%	-57.62%	-36.50%	54.68%	-0.90%	1.87%	58.22%	-40.93%

Fundamentals

Market Cap ORLY : $78.32B AAP : $3.21B
EPS ORLY : $2.97 AAP : $0.73
PE Ratio ORLY : 31.06 AAP : 72.38
PS Ratio ORLY : 4.43 AAP : 0.37
Total Revenue (TTM) ORLY : $17.78B AAP : $8.57B
Gross Profit (TTM) ORLY : $9.17B AAP : $3.70B
EBITDA (TTM) ORLY : $3.85B AAP : $378.00M

Returns By Period

In the year-to-date period, ORLY achieves a 1.21% return, which is significantly lower than AAP's 35.02% return. Over the past 10 years, ORLY has outperformed AAP with an annualized return of 17.42%, while AAP has yielded a comparatively lower -9.33% annualized return.

ORLY

• 1D: 0.22%
• 1M: -1.67%
• YTD: 1.21%
• 6M: -14.38%
• 1Y: -3.35%
• 3Y*: 17.71%
• 5Y*: 22.22%
• 10Y*: 17.42%

AAP

• 1D: 3.11%
• 1M: -0.79%
• YTD: 35.02%
• 6M: -13.15%
• 1Y: 37.65%
• 3Y*: -22.58%
• 5Y*: -20.44%
• 10Y*: -9.33%

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

Return for Risk

ORLY vs. AAP — Risk / Return Rank

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

ORLY

ORLY Risk / Return Rank: 35
ORLY Sharpe Ratio Rank: 35
ORLY Sortino Ratio Rank: 29
ORLY Omega Ratio Rank: 29
ORLY Calmar Ratio Rank: 40
ORLY Martin Ratio Rank: 39

AAP

AAP Risk / Return Rank: 64
AAP Sharpe Ratio Rank: 59
AAP Sortino Ratio Rank: 70
AAP Omega Ratio Rank: 66
AAP Calmar Ratio Rank: 63
AAP Martin Ratio Rank: 61

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.

ORLY vs. AAP - Risk-Adjusted Trends Comparison

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

	ORLY	AAP	Difference
Sharpe ratio Return per unit of total volatility	-0.15	0.48	-0.64
Sortino ratio Return per unit of downside risk	-0.06	1.57	-1.63
Omega ratio Gain probability vs. loss probability	0.99	1.19	-0.19
Calmar ratio Return relative to maximum drawdown	-0.09	0.93	-1.02
Martin ratio Return relative to average drawdown	-0.19	1.96	-2.15
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ORLY vs. AAP - Sharpe Ratio Comparison

The current ORLY Sharpe Ratio is -0.15, which is lower than the AAP Sharpe Ratio of 0.48. The chart below compares the historical Sharpe Ratios of ORLY and AAP, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	ORLY	AAP	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.15	0.48	-0.64
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.01	-0.40	+1.40
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.66	-0.21	+0.87
Sharpe Ratio (All Time) Calculated using the full available price history	0.65	0.17	+0.48

Correlation

The correlation between ORLY and AAP is 0.56, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

ORLY vs. AAP - Dividend Comparison

ORLY has not paid dividends to shareholders, while AAP's dividend yield for the trailing twelve months is around 1.90%.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
AAP Advance Auto Parts, Inc.	1.90%	2.54%	2.11%	3.28%	4.08%	1.35%	0.63%	0.15%	0.15%	0.24%	0.14%	0.16%

Drawdowns

ORLY vs. AAP - Drawdown Comparison

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

Drawdown Indicators

	ORLY	AAP	Difference
Max Drawdown Largest peak-to-trough decline	-65.42%	-86.41%	+20.99%
Max Drawdown (1Y) Largest decline over 1 year	-19.03%	-41.44%	+22.41%
Max Drawdown (5Y) Largest decline over 5 years	-23.03%	-86.41%	+63.38%
Max Drawdown (10Y) Largest decline over 10 years	-42.00%	-86.41%	+44.41%
Current Drawdown Current decline from peak	-14.39%	-75.81%	+61.42%
Average Drawdown Average peak-to-trough decline	-10.76%	-23.38%	+12.62%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.85%	19.72%	-10.87%

Volatility

ORLY vs. AAP - Volatility Comparison

The current volatility for O'Reilly Automotive, Inc. (ORLY) is 6.54%, while Advance Auto Parts, Inc. (AAP) has a volatility of 13.42%. This indicates that ORLY experiences smaller price fluctuations and is considered to be less risky than AAP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ORLY	AAP	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.54%	13.42%	-6.88%
Volatility (6M) Calculated over the trailing 6-month period	16.02%	37.31%	-21.29%
Volatility (1Y) Calculated over the trailing 1-year period	22.04%	78.44%	-56.40%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.13%	51.90%	-29.77%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	26.36%	44.45%	-18.09%

Financials

ORLY vs. AAP - Profitability Comparison

The chart below illustrates the profitability comparison between O'Reilly Automotive, Inc. and Advance Auto Parts, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

ORLY - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, O'Reilly Automotive, Inc. reported a gross profit of 2.29B and revenue of 4.41B. Therefore, the gross margin over that period was 51.8%.

AAP - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Advance Auto Parts, Inc. reported a gross profit of 869.00M and revenue of 1.97B. Therefore, the gross margin over that period was 44.0%.

ORLY - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, O'Reilly Automotive, Inc. reported an operating income of 828.61M and revenue of 4.41B, resulting in an operating margin of 18.8%.

AAP - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Advance Auto Parts, Inc. reported an operating income of 44.00M and revenue of 1.97B, resulting in an operating margin of 2.2%.

ORLY - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, O'Reilly Automotive, Inc. reported a net income of 605.23M and revenue of 4.41B, resulting in a net margin of 13.7%.

AAP - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Advance Auto Parts, Inc. reported a net income of 6.00M and revenue of 1.97B, resulting in a net margin of 0.3%.