What is ALLE's five-year median P/E?

The median, or middle weekly reading, is 20.6× over the last five years. Available history contains 533 weekly observations from Aug 8, 2016 to Oct 19, 2026.

Does a low historical rank mean a stock is a buy?

No. The rank describes a stock’s own history. Changes in growth, financial risk and the business can change the multiple investors pay. P/E uses earnings and P/S uses revenue from the previous twelve months.

Allegion (ALLE) P/E ratio history

Within its usual range

As of Oct 22, 2026

ALLE's P/E of 20.8x is higher than 54% of its available weekly readings from the last five years.

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P/E at year-end

Last weekly reading of each completed year. Rank runs from lowest (0%) to highest (100%) within the five years available on that date.

ALLE year-end valuation history
Reading date	P/E	5-year rank
Dec 29, 2025	21.7×	58%
Dec 30, 2024	20.0×	23%
Dec 25, 2023	20.1×	21%
Dec 26, 2022	21.4×	18%
Dec 27, 2021	26.0×	32%
Dec 28, 2020	35.9×	100%
Dec 30, 2019	25.9×	36%
Dec 31, 2018	24.5×	13%
Dec 25, 2017	22.6×	1%
Dec 26, 2016	27.4×	Short history

Peers on the same measure

Stock	P/E	5-year rank
AOSA. O. Smith	16.6×	11%
BLDRBuilders FirstSource	58.2×	96%
CARRCarrier Global	36.9×	61%
LIILennox International	16.3×	3%

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Research on ALLE

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About this history

What is ALLE's current P/E?: ALLE's P/E of 20.8x is higher than 54% of its available weekly readings from the last five years.
What is ALLE's five-year median P/E?: The median, or middle weekly reading, is 20.6× over the last five years. Available history contains 533 weekly observations from Aug 8, 2016 to Oct 19, 2026.
Does a low historical rank mean a stock is a buy?: No. The rank describes a stock’s own history. Changes in growth, financial risk and the business can change the multiple investors pay. P/E uses earnings and P/S uses revenue from the previous twelve months.