What is QLYS's five-year median EV/EBITDA?

The median, or middle weekly reading, is 25.8× over the last five years. Available history contains 525 weekly observations from Oct 3, 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.

Qualys (QLYS) valuation history

Within its usual range

As of Oct 22, 2026

QLYS's EV/EBITDA of 26.1x is higher than 53% of its available weekly readings from the last five years.

Share EV/EBITDA history

Shared chart range

Preview embed

Chart by stockresearch.app. Reuse with credit under CC BY 4.0.

EV/EBITDA 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.

QLYS year-end valuation history
Reading date	EV/EBITDA	5-year rank
Dec 29, 2025	19.9×	0%
Dec 30, 2024	25.3×	13%
Dec 25, 2023	38.0×	72%
Dec 26, 2022	24.5×	1%
Dec 27, 2021	43.3×	83%
Dec 28, 2020	37.7×	58%
Dec 30, 2019	32.5×	31%
Dec 31, 2018	38.0×	57%
Dec 25, 2017	37.3×	95%
Dec 26, 2016	22.4×	Short history

Peers on the same measure

Stock	EV/EBITDA	5-year rank
CVLTCommvault	81.9×	63%
OKTAOkta	110.4×	68%
RBRKRubrik	Unavailable	Unranked
RPDRapid7	9.2×	20%

Appears in

Information Technology AI Cyber Defense AI Infrastructure AI Memory 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 QLYS

AI Cybersecurity Stocks: The Trade Is Priced. Mostly.

Loading related research…

About this history

What is QLYS's current EV/EBITDA?: QLYS's EV/EBITDA of 26.1x is higher than 53% of its available weekly readings from the last five years.
What is QLYS's five-year median EV/EBITDA?: The median, or middle weekly reading, is 25.8× over the last five years. Available history contains 525 weekly observations from Oct 3, 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.