Honeywell (HON) Stock Could Be 28.5% Undervalued After Aerospace Spin Off Approval

Honeywell International Inc.

Honeywell International Inc.

HON

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The recent Board approval of Honeywell International (HON) Aerospace spin off, along with related director changes and reaffirmed 2026 guidance, has focused attention on how the separation could reshape the stock’s risk reward profile.

Honeywell International’s share price has climbed 3.95% over the past week and 16.91% year to date, while the 1 year total shareholder return of 11.98% and 3 year total shareholder return of 29.57% point to momentum that has been building rather than fading around the spin off news, reaffirmed guidance, and new SAF project wins.

If you are comparing Honeywell’s restructuring with other parts of the industrial and automation ecosystem, this is a good moment to widen the lens and check out 34 power grid technology and infrastructure stocks

With Honeywell International trading around US$229.01 and some models pointing to a modest discount, the key question is whether the spin off and SAF momentum leave room for upside or if the market is already pricing in future growth.

Most Popular Narrative: 28.5% Undervalued

According to the most followed Honeywell International narrative, a fair value of $320.19 sits well above the recent $229.01 share price. This puts the spin off and automation story in a different light for anyone focused mainly on short term price moves.

HON RemainCo is a pure-play industrial automation and energy technology compounder with a confirmed June 29 catalyst, $19B+ in contracted backlog, a sold-out LNG order book, a global SAF technology licensing position, a recurring revenue platform transition underway via Forge, and an embedded position on both sides of the energy transition, all trading at a conglomerate discount that disappears in 53 days.

If that fair value catches your eye, the real story is in the numbers behind it, from margin assumptions to backlog conversion and the future earnings mix. The narrative focuses on how Honeywell International’s automation activities, software orientation and energy technology exposure all contribute to that target without treating quantum or aerospace as the main driver.

Result: Fair Value of $320.19 (UNDERVALUED)

However, Honeywell International’s thesis could be tested if automation growth slows, or if the aerospace spin off and backlog conversion fall short of market expectations.

Another View: Honeywell International Through the P/E Lens

While the most followed Honeywell International narrative points to a fair value of $320.19, the current P/E of 36.6x paints a different picture. That multiple sits well above the Global Industrials average of 13.1x and also above the peer average of 32.6x. It is slightly higher than the fair ratio of 36.4x that the market could move towards. For investors, that premium raises the question of whether they are paying upfront for a lot of the automation and spin off story already.

NasdaqGS:HON P/E Ratio as at Jun 2026
NasdaqGS:HON P/E Ratio as at Jun 2026

Next Steps

With such a mixed set of signals around Honeywell International’s spin off, valuation, and growth narrative, this is a good time to review the underlying figures yourself and not rely on a single storyline. To weigh both the concerns and the potential upside, take a closer look at the 3 key rewards and 2 important warning signs.

Looking for more investment ideas beyond Honeywell International?

If Honeywell International has sharpened your focus, do not stop here. The wider market holds plenty of other stories that could suit 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.