Realty Income (O) has updated two major term loan agreements, covering a US$500 million facility and up to US$1.35b of multi currency borrowings, in order to align them with its recently revised credit agreement.

Against that backdrop, Realty Income's share price has eased 1.2% over the past week and 2.0% over the past month. It is still up 6.9% year to date, while the 1 year total shareholder return of 8.9% points to more supportive longer term momentum as recent loan amendments follow an affirmed A credit rating, raised 2026 AFFO guidance and the launch of a US$6b hyperscale data center joint venture.

Compare Realty Income's funding moves with other property and infrastructure plays by scanning our hand picked 39 power grid technology and infrastructure stocks.

Realty Income now trades at a double discount, both to some analyst targets and to one intrinsic value estimate, while recent funding moves and guidance updates pull the other way. Is the market's caution doing the right job here?

Against Realty Income's last close of $61.25, the most followed narrative places fair value at $68.15, creating a valuation gap that hinges on its long lease profile and global rollout.

Embedded rental escalators, very long lease durations (~15 years on recent acquisitions), and data-driven asset management provide high visibility into predictable, compounding rental income for the long term, which should support continued stable net operating income and consistent dividend growth.

Want to see what sits behind that confidence in Realty Income's rent roll? The narrative leans heavily on projected revenue growth, richer margins and a future earnings base that needs a higher multiple than the wider Retail REITs group.

Result: Fair Value of $68.15 (UNDERVALUED)

Have a read of the narrative in full and understand what's behind the forecasts.

However, Realty Income's heavy tilt toward retail tenants and its growing exposure to European assets mean that weaker store performance or adverse currency moves could quickly test this undervalued story.

Find out about the key risks to this Realty Income narrative.

The popular narrative frames Realty Income as undervalued against a fair value of $68.15. Yet on the market's own terms, the stock tells a different story. Realty Income trades on a P/E of 45.6x versus 27.6x for the US Retail REITs industry and 27.3x for peers, while the fair ratio sits at 36.9x. That is a rich premium on both current earnings and the level the market could move toward over time, which raises the question of whether investors are paying up for comfort in a way that limits future upside if sentiment cools.

To see how the current pricing stacks up against detailed earnings and peer comparisons, take a closer look at the valuation breakdown. Start with the gap between today's P/E and the fair ratio, and consider what that might mean if the market eventually settles closer to that level. See what the numbers say about this price — find out in our valuation breakdown.

NYSE:O P/E Ratio as at Sep 2026
NYSE:O P/E Ratio as at Sep 2026

If the mix of optimism and caution around Realty Income feels finely balanced, now is a good time to review the numbers yourself and decide how that aligns with your own risk tolerance. To weigh both sides of the story in one place, start with the 4 key rewards and 1 important warning sign.

Realty Income may already be on your radar, but you do not want to miss other stocks that could fit your goals just as well.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.

Companies discussed in this article include O.

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