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: $88.96B Activated in VL: True Average Daily Range Avg Daily Range: $2.83 | 1.06% Avg Daily Range (30 D): $0.82 | 0.80% Avg Daily Range (90 D): $5.03 | 0.96% Institutional Daily Volume Avg Daily Volume: .8M Avg Daily Volume (30 D): 3.43M Avg Daily Volume (90 D): 2.4M Trade Size Avg Trade Size (Sh.): 78 Avg Trade Size (Sh.) (30 D): 56 Avg Trade Size (Sh.) (90 D): 51 Institutional Trades Total Inst.Trades: 14,228 Avg Inst. Trade: $10.68M Avg Inst. Trade (30 D): $11.9M Avg Inst. Trade (90 D): $15.77M Avg Inst. Trade Volume: .61M Avg Inst. Trades (Per Day): 2 Market Closing Trades Avg Closing Trade: $23.3M Avg Closing Trade (30 D): $83.08M Avg Closing Trade (90 D): $86.3M Avg Closing Volume: 927.44K     News Aug 31, 2025 @ 11:15 AM Could Buying O'Reilly Automotive Stock Today Help ... Source: Neil Patel Aug 27, 2025 @ 12:14 AM What Is the Highest O'Reilly Automotive Stock Has ... Source: Jon Quast Jul 30, 2025 @ 9:08 AM Is Advance Auto Parts a Buy? Source: Josh Cable Jul 30, 2025 @ 7:06 AM The Most Anticipated Stock Split of 2025 May Be An... Source: Sean Williams Jul 22, 2025 @ 11:32 AM 1 Stock-Split Stock to Buy Hand Over Fist in July ... Source: Jeremy Bowman Financials   TTM Q2 2025 Q1 2025 Basic EPS $31.22 $.78 $9.4 Diluted EPS $31.06 $.78 $9.35 Revenue $ 17.12B $ 4.53B $ 4.14B Gross Profit $ 8.8B $ 2.33B $ 2.12B Net Income / Loss $ 2.42B $ 668.6M $ 538.49M Operating Income / Loss $ 3.29B $ 914.47M $ 741.47M Cost of Revenue $ 8.32B $ 2.2B $ 2.02B Net Cash Flow $ 52.66M $ 5.49M $ 60.67M PE Ratio 3.38     Splits Jun 10, 2025:   15:1 Jun 16, 2005:   2:1