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

2.0x. Half of AAOI's weekly readings over the last five years were higher and half were lower. This page has 660 weekly readings, from Mar 3, 2014 to Oct 19, 2026.

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

No. The rank compares AAOI only with its own past. Slower growth or more risk can justify a lower multiple than before. P/E uses earnings and P/S uses revenue from the last twelve months.

Applied Optoelectronics Inc (AAOI) valuation

Information Technology

$67.51

Latest weekly close · Market cap $5.5B

Above its usual range

As of Oct 24, 2026

AAOI's P/S of 9.2x is higher than 87% of its weekly readings over the last five years.

Weekly P/S with its 5-year range

P/S each weekMiddle half of the last 5 years5-year median 2.0×

5-year median: 2.0×
10-year median: 1.5×
5-year low to high: 0.2×–28.5×
Versus 5-year median: +371%

P/S

87thpercentile

of its weekly readings over the last five years

Above its usual range

Growth, last 12 months vs the year before

Revenue: +62%slowing
EPS: n/a

Price vs revenue and EPS, indexed to 100

Each line starts at 100 at its first positive reading over the last five years. Revenue and EPS change at fiscal quarter ends. EPS was not positive in this window, so it is left out.

PriceRevenue, last 12 months100 = first reading

P/S at each year-end

The last weekly reading of each year, and its percentile against the five years before it.

AAOI P/S at each year-end
Year-end	P/S	P/E	EV/Sales	EV/EBITDA	5-year percentile
Dec 29, 2025	6.0×	n/a	5.7×	n/a	96
Dec 30, 2024	7.7×	n/a	7.6×	n/a	99
Dec 25, 2023	2.9×	n/a	2.9×	n/a	99
Dec 26, 2022	0.2×	n/a	0.4×	n/a	3
Dec 27, 2021	0.7×	n/a	0.8×	n/a	1
Dec 28, 2020	0.8×	n/a	0.9×	n/a	12
Dec 30, 2019	1.2×	n/a	1.1×	n/a	29
Dec 31, 2018	1.1×	25.9×	1.1×	7.9×	7
Dec 25, 2017	2.0×	9.1×	1.9×	6.7×	47
Dec 26, 2016	1.9×	21.9×	2.0×	20.7×	58

Information Technology peers on P/S

Each percentile compares a stock with its own last five years.

Compare AAOI with peers

Information Technology peers of AAOI on P/S
Stock	P/S	Versus its own history	5-year percentile
CSCOCisco	6.6×	Historically high	91
FFIVF5, Inc.	7.8×	Historically high	99
LITELumentum	18.9×	Above its usual range	86
MSIMotorola Solutions	6.5×	Above its usual range	76
UIUbiquiti Inc	10.9×	Above its usual range	72

Appears in

Sector: Information Technology
Themes: AI Cyber Defense AI Infrastructure AI Memory Defense Tech US Manufacturing Stocks
Screens: 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

Screen Information Technology stocks the same way

Research on AAOI

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About this history

What is AAOI's current P/S?: AAOI's P/S of 9.2x is higher than 87% of its weekly readings over the last five years.
What is AAOI's five-year median P/S?: 2.0x. Half of AAOI's weekly readings over the last five years were higher and half were lower. This page has 660 weekly readings, from Mar 3, 2014 to Oct 19, 2026.
Does a low historical rank mean a stock is a buy?: No. The rank compares AAOI only with its own past. Slower growth or more risk can justify a lower multiple than before. P/E uses earnings and P/S uses revenue from the last twelve months.