Based on the latest data from August 2025, Realty Income Corporation (O) is trading at $58.76, positioning the stock in the **Fair Value zone** between the 33.5x and 40.9x PE multiples. Specifically, the current price sits above the 33.5x PE boundary of $27.03 but below the 40.9x PE boundary of $42.31, indicating the stock is trading at a reasonable valuation level that warrants careful consideration rather than immediate action. Analyzing the historical trend over the past five years, O has demonstrated remarkable valuation stability with the stock price consistently trading within or near the Fair Value to Watch zones. The stock experienced its most significant valuation expansion during 2020-2022, when prices frequently exceeded the 48.3x PE multiple, reaching peaks above $60 during periods like August 2022 ($61.78) and April 2022 ($60.88). However, since late 2022, the stock has undergone a valuation compression, with prices generally retreating from the higher PE multiples back toward more moderate levels. The PE stream boundaries have also shifted over time, reflecting changes in the company's earnings profile, with recent months showing the boundaries settling at more conservative levels. This pattern suggests that while O maintains its position as a stable dividend-paying REIT, the market has recalibrated expectations, bringing valuations back to more sustainable levels after the elevated pricing of 2021-2022.