O'Reilly Automotive (ORLY) has delivered a significant 122.6% gain over the past five years, but current valuation metrics suggest the stock trades at a premium to its intrinsic value. A Discounted Cash Flow (DCF) analysis estimates an intrinsic value of approximately $63 per share, implying the stock is trading at a roughly 38.4% premium based on projected free cash flows. The company's P/E ratio further supports the view that ORLY is priced expensively relative to its peers and industry norms. Currently trading at a P/E of about 26.8x, the stock exceeds both the Specialty Retail industry average of 18.6x and the peer group average of 20.4x. Analysts estimate a fair P/E multiple of around 19.6x for O'Reilly, indicating that investors are paying a substantial premium compared to tailored benchmarks. While ongoing demand for replacement auto parts supports steady cash generation, the valuation checks mark ORLY as expensive rather than a clear bargain, with only one of six valuation measures pointing to value. The key question remains whether O'Reilly can deliver the earnings and cash flow strength that investors appear to be pricing in, or if the valuation premium narrows if expectations prove too optimistic.