AZO vs ORLY: Weighing AutoZone and O'Reilly in the Auto Parts Market
Key Takeaways
- AZO (AutoZone) and ORLY (O'Reilly Automotive) are two of the largest automotive aftermarket parts retailers in the United States, competing across both do-it-yourself and professional repair channels.
- O'Reilly has shown stronger recent comparable store sales momentum, with growth of 6% in its latest quarter and 33 consecutive years of comparable store sales growth.
- AutoZone posted double-digit earnings growth but saw domestic do-it-yourself sales turn slightly negative, and its share price has declined meaningfully over the past year.
- Both companies generate substantial free cash flow and return capital through large, ongoing share repurchase programs.
- AutoZone is expanding aggressively into Mexico and Brazil, while O'Reilly is concentrating its growth on North America and professional market share gains.
Why This Comparison Matters
AutoZone and O'Reilly Automotive are direct rivals in the automotive aftermarket, an industry known for its resilience across economic cycles as consumers and professional repair shops continue maintaining an aging U.S. vehicle fleet. Because both companies operate similar business models yet pursue distinct growth strategies, they offer a useful stock comparison for investors evaluating relative performance and market positioning. Traders and long-term investors alike may find this comparison relevant when deciding how to allocate capital between two high-quality, cash-generative retailers that differ in geographic focus, channel mix, and recent momentum. I also checked this using Tickeron’s AI Screener to see how the stocks compare to others in the industry.
AutoZone's Recent Performance
AZO, AutoZone, is a leading retailer and distributor of automotive replacement parts and accessories across the United States, Mexico, and Brazil. In its most recent fiscal year, total sales surpassed $20 billion for the first time, and the company crossed the 8,000-store threshold globally. In its latest quarter, diluted earnings per share rose more than 15% year over year, supported by gross margin expansion, while domestic commercial sales grew at a high-single-digit rate.
Recent market activity has been more cautious, however. Domestic do-it-yourself same-store sales turned slightly negative as financially pressured customers deferred repairs and traded down, while selling, general and administrative expenses grew faster than sales. The share price has pulled back substantially over the past year despite solid long-term fundamentals. Analysts have trimmed price targets, and sentiment has been shaped by softer same-store sales and questions about near-term expense discipline, even as the company continues investing in store openings and its Mega Hub distribution network.
O'Reilly's Recent Performance
ORLY, O'Reilly Automotive, is one of the largest specialty retailers of automotive aftermarket parts, tools, and supplies, serving both do-it-yourself and professional service provider customers across the United States, Puerto Rico, Mexico, and Canada. The company reported comparable store sales growth of 6% in its latest quarter, with its professional segment again growing at a double-digit rate, and it raised full-year guidance for both comparable store sales and earnings per share.
O'Reilly's recent performance reflects broad-based strength across both customer channels, with the professional segment accounting for slightly more than half of quarterly revenue. The company has now delivered comparable store sales growth for 33 consecutive years, underscoring the consistency of its execution. Recent market activity has been relatively stable, with analysts maintaining or modestly raising price targets and highlighting healthy underlying demand. Growth remains focused on North America, including new store openings and a recently added distribution center supporting expansion in the Southeast.
Key Differences in Strategy and Risk
The two companies differ most clearly in geographic exposure and channel mix. AutoZone is pursuing meaningful international growth, with more than 1,000 stores in Mexico and a growing presence in Brazil, while O'Reilly is concentrated in North America. On the commercial side, both are gaining share, but O'Reilly's professional segment has posted four consecutive quarters of double-digit comparable sales growth, giving it stronger recent momentum in the higher-frequency do-it-for-me channel.
Risk profiles also diverge. AutoZone's reliance on the more discretionary do-it-yourself segment leaves it more exposed to consumer financial pressure, which contributed to its recent domestic do-it-yourself sales decline. O'Reilly's more balanced channel mix has supported steadier comparable sales. Both companies operate with leverage and use buybacks aggressively, but AutoZone's pullback has left it trading at a lower valuation relative to earnings, while O'Reilly commands a premium consistent with its faster recent comparable sales growth and longer track record of consistency. From what I see, this distinction is important because it highlights how channel balance can influence near-term stability.
Where the AI Analysis Points
Based on observable factors such as trend consistency, comparable sales momentum, and relative market positioning, Tickeron's AI would currently lean toward ORLY. O'Reilly's stronger and more consistent comparable store sales growth, its multi-decade record of same-store sales gains, and its balanced professional and do-it-yourself mix suggest more stable near-term positioning. AutoZone's discounted valuation and aggressive expansion offer a potentially attractive longer-term setup, but softer do-it-yourself trends and recent expense deleverage introduce greater near-term uncertainty. This reflects a probabilistic assessment of current conditions rather than a definitive forecast. I’m watching this closely as market conditions evolve.
Exploring AI-Driven Strategies
One resource I turn to regularly for additional perspective is Tickeron’s curated selection of AI trading bots. The Trending AI Robots section highlights strategies best aligned with current market conditions, including performance statistics and the specific tickers each approach follows. It serves as a useful complement when reviewing names like these two retailers.
Disclaimer
The information on this webpage is provided for general informational and educational purposes only and is not intended as investment advice, a recommendation to purchase or sell any security, or an offer or solicitation related to investments. It does not consider your personal financial situation, goals, or risk profile, and all investing carries inherent risks, including the possibility of losing your entire investment. For more details, please review our full disclaimer.
Contributor
Sergey Savastiouk, Ph.D. has a degree in Applied Mathematics from Moscow University and has extensive experience as an entrepreneur, investor, manager, and mathematician. His professional expertise is in applied mathematics, mathematical modeling, system and pattern analysis, and software and hardware system integration. He has served as the CEO of several hi-tech start-up companies and nonprofit organizations, which has given him proven capabilities in business strategy for high-tech start-up companies, market assessment, company formation, team building, product development, marketing, and sales. He has published numerous articles in journals and magazines on related fields. As a retail investor, he spent 15 years developing his proprietary trading and quantitative algorithms (now Tickeron’s A.I.), which brought him significant returns in trading the stock market. His current work and goal in founding Tickeron is to bring professional, sophisticated stock market analysis capabilities to retail investors via an easy-to-use interface.
ORLY's MACD Histogram just turned positive
The Moving Average Convergence Divergence (MACD) for ORLY turned positive on September 24, 2026. Looking at past instances where ORLY's MACD turned positive, the stock continued to rise in 28 of 47 cases over the following month. The odds of a continued upward trend are 60%.
Technical Analysis (Indicators)
Bullish Trend Analysis
The Momentum Indicator moved above the 0 level on October 14, 2026. You may want to consider a long position or call options on ORLY as a result. In 46 of 80 past instances where the momentum indicator moved above 0, the stock continued to climb. The odds of a continued upward trend are 57%.
ORLY moved above its 50-day moving average on October 15, 2026 date and that indicates a change from a downward trend to an upward trend.
The 10-day moving average for ORLY crossed bullishly above the 50-day moving average on October 21, 2026. This indicates that the trend has shifted higher and could be considered a buy signal. In 10 of 18 past instances when the 10-day crossed above the 50-day, the stock continued to move higher over the following month. The odds of a continued upward trend are 56%.
Following a +2.98% 3-day Advance, the price is estimated to grow further. Considering data from situations where ORLY advanced for three days, in 207 of 384 cases, the price rose further within the following month. The odds of a continued upward trend are 54%.
The Aroon Indicator entered an Uptrend today. In 136 of 267 cases where ORLY Aroon's Indicator entered an Uptrend, the price rose further within the following month. The odds of a continued Uptrend are 51%.
Bearish Trend Analysis
The 10-day RSI Indicator for ORLY moved out of overbought territory on October 23, 2026. This could be a bearish sign for the stock. Traders may want to consider selling the stock or buying put options. Tickeron's A.I.dvisor looked at 41 similar instances where the indicator moved out of overbought territory. In 18 of the 41 cases, the stock moved lower in the following days. This puts the odds of a move lower at 44%.
The Stochastic Oscillator demonstrated that the ticker has stayed in the overbought zone for 9 days. The longer the ticker stays in the overbought zone, the sooner a price pull-back is expected.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where ORLY declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 46%.
ORLY broke above its upper Bollinger Band on October 22, 2026. This could be a sign that the stock is set to drop as the stock moves back below the upper band and toward the middle band. You may want to consider selling the stock or exploring put options.
Fundamental Analysis (Ratings)
The Tickeron Valuation Rating of 3 (best 1 - 100 worst) indicates that the company is seriously undervalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: ORLY's P/B Ratio (-39.626) is very low in comparison to the industry average of (0.876). P/E Ratio (28.456) is within average values for comparable stocks, (39.859). Projected Growth (PEG Ratio) (1.620) is also within normal values, averaging (1.471). Dividend Yield (0.000) settles around the average of (0.040) among similar stocks. P/S Ratio (3.798) is also within normal values, averaging (49.084).
The Tickeron SMR rating for this company is 3 (best 1 - 100 worst), indicating very strong sales and a profitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
The Tickeron Profit vs. Risk Rating rating for this company is 21 (best 1 - 100 worst), indicating low risk on high returns. The average Profit vs. Risk Rating rating for the industry is 90, placing this stock better than average.
The Tickeron Price Growth Rating for this company is 48 (best 1 - 100 worst), indicating steady price growth. ORLY’s price grows at a higher rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron PE Growth Rating for this company is 63 (best 1 - 100 worst), pointing to average earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
The Tickeron Seasonality Score of 65 (best 1 - 100 worst) indicates that the company is fair valued in the industry. The Tickeron Seasonality score describes the variance of predictable price changes around the same period every calendar year. These changes can be tied to a specific month, quarter, holiday or vacation period, as well as a meteorological or growing season.
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General Information
a retailer of auto parts, tools, supplies, and accessories
Industry AutoPartsOEM