What is IRM's five-year median P/S?

The median, or middle weekly reading, is 4.0× 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.

Iron Mountain (IRM) P/S ratio history

Within its usual range

As of Oct 22, 2026

IRM's P/S of 4.6x is higher than 68% of its available weekly readings from the last five years.

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P/S 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.

IRM year-end valuation history
Reading date	P/S	5-year rank
Dec 29, 2025	3.7×	59%
Dec 30, 2024	5.2×	92%
Dec 25, 2023	3.9×	93%
Dec 26, 2022	2.1×	1%
Dec 27, 2021	3.5×	89%
Dec 28, 2020	4.0×	98%
Dec 30, 2019	3.0×	95%
Dec 31, 2018	2.3×	11%
Dec 25, 2017	2.7×	48%
Dec 26, 2016	2.6×	Short history

Peers on the same measure

Stock	P/S	5-year rank
AREAlexandria Real Estate Equities	2.5×	2%
BXPBXP, Inc.	2.7×	9%
CBRECBRE Group	0.9×	36%
CSGPCoStar Group	3.7×	7%

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Real Estate Stocks with Low P/E Ratios and Steady Revenue Growth Stocks Below Their 5-Year Median P/E Stocks Near Their Lowest P/E Ratios in 5 Years

Research on IRM

No published research on IRM yet. Read how valuation percentiles work.

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About this history

What is IRM's current P/S?: IRM's P/S of 4.6x is higher than 68% of its available weekly readings from the last five years.
What is IRM's five-year median P/S?: The median, or middle weekly reading, is 4.0× 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.