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

The median, or middle weekly reading, is 1.7× over the last five years. Available history contains 859 weekly observations from May 10, 2010 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.

Quanta Services (PWR) valuation history

Above its usual range

As of Oct 22, 2026

PWR's P/S of 2.8x is higher than 86% 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.

PWR year-end valuation history
Reading date	P/S	5-year rank
Dec 29, 2025	2.5×	97%
Dec 30, 2024	2.2×	98%
Dec 25, 2023	1.7×	97%
Dec 26, 2022	1.3×	77%
Dec 27, 2021	1.4×	95%
Dec 28, 2020	0.9×	100%
Dec 30, 2019	0.5×	20%
Dec 31, 2018	0.5×	2%
Dec 25, 2017	0.7×	36%
Dec 26, 2016	0.7×	27%

Peers on the same measure

Stock	P/S	5-year rank
ADPAutomatic Data Processing	5.4×	39%
ALLEAllegion	3.2×	56%
AMEAmetek	7.3×	96%
AOSA. O. Smith	2.2×	8%

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Industrials AI Cyber Defense AI Power Defense Tech US Manufacturing Stocks 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 PWR

AI Power Stocks in 2026: Where Each One Sits in Its Own Valuation Range

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About this history

What is PWR's current P/S?: PWR's P/S of 2.8x is higher than 86% of its available weekly readings from the last five years.
What is PWR's five-year median P/S?: The median, or middle weekly reading, is 1.7× over the last five years. Available history contains 859 weekly observations from May 10, 2010 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.