In the current session, the stock is trading at $60.30, after a 0.87% spike. Over the past month, Realty Income Inc. (NYSE:O) stock increased by 7.34%, and in the past year, by 12.70%. With performance like this, long-term shareholders are optimistic but others are more likely to look into the price-to-earnings ratio to see if the stock might be overvalued.How Does Realty Income P/E Compare to Other Companies?The P/E ratio is used by long-term shareholders to assess the company's market performance against ...