In the latest trading session, Realty Income Corp. (O) closed at $71.63, marking a +0.31% move from the previous day. This change outpaced the S&P 500's 0.14% loss on the day. Meanwhile, the Dow lost 0.45%, and the Nasdaq, a tech-heavy index, lost 0.02%.Heading into today, shares of the real estate investment trust had gained 6.68% over the past month, outpacing the Finance sector's gain of 3.74% and the S&P 500's loss of 0.13% in that time.Investors will be hoping for strength from Realty Income Corp. as it approaches its next earnings release. The company is expected to report EPS of $0.94, up 11.9% from the prior-year quarter. Meanwhile, the Zacks Consensus Estimate for revenue is projecting net sales of $545.83 million, up 30.56% from the year-ago period.Investors might also notice recent changes to analyst estimates for Realty Income Corp.These revisions typically reflect the latest short-term business trends, which can change frequently. As a result, we can interpret positive estimate revisions as a good sign for the company's business outlook.Our research shows that these estimate changes are directly correlated with near-term stock prices. To benefit from this, we have developed the Zacks Rank, a proprietary model which takes these estimate changes into account and provides an actionable rating system.Ranging from #1 (Strong Buy) to #5 (Strong Sell), the Zacks Rank system has a proven, outside-audited track record of outperformance, with #1 stocks returning an average of +25% annually since 1988. Over the past month, the Zacks Consensus EPS estimate has moved 0.84% higher. Realty Income Corp. currently has a Zacks Rank of #3 (Hold).Digging into valuation, Realty Income Corp. currently has a Forward P/E ratio of 18.14. This valuation marks a premium compared to its industry's average Forward P/E of 16.54.Also, we should mention that O has a PEG ratio of 4.3. This popular metric is similar to the widely-known P/E ratio, with the difference being that the PEG ratio also takes into account the company's expected earnings growth rate. REIT and Equity Trust - Retail stocks are, on average, holding a PEG ratio of 2.31 based on yesterday's closing prices.The REIT and Equity Trust - Retail industry is part of the Finance sector. This group has a Zacks Industry Rank of 38, putting it in the top 15% of all 250+ industries.The Zacks Industry Rank gauges the strength of our individual industry groups by measuring the average Zacks Rank of the individual stocks within the groups. Our research shows that the top 50% rated industries outperform the bottom half by a factor of 2 to 1.To follow O in the coming trading sessions, be sure to utilize Zacks.com. Zacks' Top Picks to Cash in on Artificial Intelligence In 2021, this world-changing technology is projected to generate $327.5 billion in revenue. Now Shark Tank star and billionaire investor Mark Cuban says AI will create "the world's first trillionaires." Zacks' urgent special report reveals 3 AI picks investors need to know about today.See 3 Artificial Intelligence Stocks With Extreme Upside Potential>>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Realty Income Corporation (O): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research