Basics O'Reilly Automotive, Inc. O'Reilly Automotive Inc acts as a seller of aftermarket automotive parts, tools, and accessories, serving professional and DIY (do-it-yourself) customers in the US. IPO Date: April 23, 1993 Sector: Consumer Disc Industry: Specialty Retail Market Cap: $83.47B Activated in VL: True Average Daily Range Avg Daily Range: $2.81 | 1.06% Avg Daily Range (30 D): $0.93 | 0.95% Avg Daily Range (90 D): $0.85 | 0.84% Institutional Daily Volume Avg Daily Volume: .83M Avg Daily Volume (30 D): 4.1M Avg Daily Volume (90 D): 3.68M Trade Size Avg Trade Size (Sh.): 76 Avg Trade Size (Sh.) (30 D): 51 Avg Trade Size (Sh.) (90 D): 52 Institutional Trades Total Inst.Trades: 14,950 Avg Inst. Trade: $10.75M Avg Inst. Trade (30 D): $12.3M Avg Inst. Trade (90 D): $12.21M Avg Inst. Trade Volume: .59M Avg Inst. Trades (Per Day): 2 Market Closing Trades Avg Closing Trade: $24.32M Avg Closing Trade (30 D): $89.39M Avg Closing Trade (90 D): $89.62M Avg Closing Volume: 927.28K     News Dec 2, 2025 @ 8:06 AM 1 No-Brainer Stock-Split Stock to Buy Before the E... Source: Sean Williams Nov 27, 2025 @ 5:15 PM SEC Opens Civil Probe Into Jefferies Over $12B Fir... Source: Piero Cingari Nov 17, 2025 @ 8:06 AM Wall Street's Biggest Stock Split of the Year Has ... Source: Sean Williams Nov 8, 2025 @ 8:15 AM 1 Stock-Split Stock to Buy Now -- It Has More Upsi... Source: Trevor Jennewine Nov 5, 2025 @ 3:54 PM Denodo Recognized as Top Vendor in the Dresner Adv... Source: Denodo Financials   TTM Q3 2025 Q2 2025 Basic EPS $49.86 $.86 $.78 Diluted EPS $49.56 $.85 $.78 Revenue $ 17.46B $ 4.71B $ 4.53B Gross Profit $ 8.99B $ 2.44B $ 2.33B Net Income / Loss $ 2.48B $ 725.9M $ 668.6M Operating Income / Loss $ 3.37B $ 976.07M $ 914.47M Cost of Revenue $ 8.47B $ 2.27B $ 2.2B Net Cash Flow $ 87.75M $ 5.94M $ 5.49M PE Ratio 2.00     Splits Jun 10, 2025:   15:1 Jun 16, 2005:   2:1