AerCap Holdings has delivered strong share price gains over the past few years, yet recent price action has been more muted. This puts fresh attention on whether the current valuation still looks attractive for new money. With the stock at US$147.49 and a high overall value score, investors are weighing how much of the story is already reflected in the price.

Over 5 years, AerCap Holdings has returned 180.5%, which sets a high bar for what future gains would need to justify.

The key support for the valuation can come from the company's ability to keep aircraft assets working efficiently and converting lease income into cash. A major risk is any hit to residual values or financing costs that could squeeze returns on its fleet.

AerCap Holdings screens as broadly cheap on the checks used, with 6 of 6 valuation indicators pointing to an undervalued profile rather than an already full price.

The issue now is whether AerCap Holdings offers enough valuation upside after such a strong multi year run to still appeal at current levels.

Compare AerCap Holdings with a curated set of value opportunities and see how it stacks up against 44 high quality undervalued stocks that also show strong fundamentals.

The P/E multiple is a useful way to look at AerCap Holdings because earnings are a central driver of how investors usually value aircraft leasing stocks. At around 6.7x, AerCap Holdings trades at a fraction of the Trade Distributors industry average P/E of about 25.8x and also below the wider peer average of about 25.3x.

The tailored fair P/E ratio for AerCap Holdings is estimated at about 16.0x, which already factors in its sector, size and risk profile. The current 6.7x sits well below that level, which indicates the market is applying a relatively low earnings multiple to the stock despite the valuation framework pointing to a higher figure as reasonable.

On this P/E measure, AerCap Holdings stock appears undervalued compared with both its fair ratio and typical industry levels.

NYSE:AER P/E Ratio as at Aug 2026
NYSE:AER P/E Ratio as at Aug 2026

See what the numbers say about this price — find out in our valuation breakdown.

Simply Wall St Narratives for AerCap Holdings' stock pick up where the valuation puzzle leaves off and outline the future growth, margins and earnings paths that would need to occur for today's price to look either too low or too high. Instead of a single output from a ratio or model, these analyses break that figure into the underlying expectations, allowing you to track over time whether those assumptions continue to hold on the Community page.

You can add your voice to the AerCap Holdings story by sharing a Narrative that sets out your number driven view on where its growth, margins and execution go from here. Put a clear thesis on record and see how it holds up as new data comes through.

Do you think there's more to the story for AerCap Holdings? Head over to our Community to see what others are saying!

AerCap Holdings still screens as undervalued on the market-multiple checks, with the current P/E sitting well below both its tailored fair ratio and typical industry levels. That discount suggests investors are cautious about how reliably the company can keep aircraft deployed and protect returns against any pressure on residual values or funding costs. For you, the key question is whether that caution proves excessive. The crux of the bull versus bear debate is whether AerCap Holdings can sustain efficient fleet utilisation and cash conversion that eventually prompts the market to award a higher earnings multiple.

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 AER.

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