Allegion (ALLE) Rallies On Smart Security Growth, Is The Stock Fully Valued?

Allegion Public Limited Company

Allegion Public Limited Company

ALLE

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Allegion (ALLE) has drawn fresh attention after its recent share price move, with the stock last closing at $168.94. That puts the security provider’s market value at about $14.37b in US$ terms.

Recent momentum has been strong for Allegion, with a 30 day share price return of 23.65% and a 27.65% 90 day share price return, set against a 3 year total shareholder return of 58.50%. This points to building interest in the stock rather than fading enthusiasm.

If Allegion’s recent move has you thinking about what else is gaining attention, this is a good moment to widen your search using our 19 top founder-led companies

Bulls see Allegion’s recent surge and solid revenue and net income figures as support for a higher price. Bears point to the stock’s valuation and recent run. Which side does the current evidence lean toward as you look at value?

Most Popular Narrative: 3.3% Undervalued

The most followed Allegion narrative puts fair value at $174.64, slightly above the last close at $168.94. This frames the recent price strength in a tighter context.

Robust expansion in smart and connected security solutions, particularly through strong electronics growth (double-digit in Q2) and new launches like SimonsVoss's batteryless FORTLOX electronic cylinder, positions Allegion to benefit from increased adoption of IoT and digital building management, supporting higher future revenues and improved margin mix.

Want to understand why this valuation sits only slightly above today’s price? The narrative leans on measured revenue growth, firm margins, and a richer future earnings multiple. The exact combination of these assumptions is what really matters.

Result: Fair Value of $174.64 (UNDERVALUED)

However, Allegion’s narrative still depends on nonresidential construction staying supportive and acquisitions delivering as planned; any stumble would pose a real test for today’s pricing.

Another View: Allegion Through The P/E Lens

The analyst-driven fair value of $174.64 paints Allegion as slightly undervalued, yet the P/E ratio of 21.8x tells a more balanced story. It sits below the US Building industry at 23.3x and just under a fair ratio of 22.6x, which points to only a modest valuation gap. Is that small discount enough to compensate you for the business and balance sheet risks highlighted above?

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

Simply Wall St performs a discounted cash flow (DCF) on every stock in the world every day (check out Allegion for example). We show the entire calculation in full. You can track the result in your watchlist or portfolio and be alerted when this changes, or use our stock screener to discover 52 high quality undervalued stocks. If you save a screener we even alert you when new companies match - so you never miss a potential opportunity.

Next Steps

With Allegion showing a mix of opportunity and concern, it makes sense to move quickly from headline impressions to the underlying detail and form your own view using the 4 key rewards and 2 important warning signs

Looking for more investment ideas beyond Allegion?

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  • Spot potential value opportunities early by scanning 52 high quality undervalued stocks that combine quality fundamentals with prices that may sit below their implied worth.
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  • Get ahead of the crowd by checking the screener containing 21 high quality undiscovered gems before attention and pricing fully catch up.

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.