What is the P/E ratio for Applied Optoelectronics, Inc. (AAOI)?

The P/E ratio for AAOI stock is N/A.

What is the TTM average P/E ratio for Applied Optoelectronics, Inc. (AAOI)?

The TTM average P/E ratio for AAOI stock is 18.03.

What is the 3Y average P/E ratio for Applied Optoelectronics, Inc. (AAOI)?

The 3Y average P/E ratio for AAOI stock is 19.70.

What is the 5Y average P/E ratio for Applied Optoelectronics, Inc. (AAOI)?

The 5Y average P/E ratio for AAOI stock is 32.43.

Applied Optoelectronics (AAOI) PE Ratio: History & Chart

Basis: FMP quote price / unrounded diluted EPS from four consecutive issuer fiscal quarters. Source: stored company filings and market data; unavailable inputs remain N/A.

The P/E ratio is N/A as of 2026-09-21T19:05:26.114Z.

Stored calculation inputs

Calculation as of: 2026-09-21T19:05:26.114Z.

Quote observation: 2026-09-21T19:05:23.000Z. Amounts in USD. The price header may show a later quote.

Quote price: 108.495
Unrounded diluted TTM EPS · period ending 2026-06-30: -0.7788

FMP input reference: fd27320e60c4891591098287ad62f3d595090897946b4f2a6c85128c1e971b93

Forward PE Ratio|PEG Ratio|P/B Ratio|EPS|All Metrics

AAOI PE Ratio Metrics

PE RATIO

N/A

PE RATIO AVG TTM

18.03

PE RATIO AVG 3Y

19.70

PE RATIO AVG 5Y

32.43

PE RATIO AVG 10Y

N/A

PE RATIO AVG 15Y

N/A

PE RATIO AVG 20Y

N/A

CURRENT VS TTM AVG

N/A

CURRENT VS 3Y AVG

N/A

CURRENT VS 5Y AVG

N/A

CURRENT VS 10Y AVG

N/A

CURRENT VS 15Y AVG

N/A

CURRENT VS 20Y AVG

N/A

AAOI Competitors' PE Ratio

AAOI

Applied Optoelectronics, Inc.

Current

Market Cap

$8.71B

PE Ratio

N/A

TTM Avg

18.03

3Y Avg

19.70

5Y Avg

32.43

VIAV

Viavi Solutions Inc.

vs AAOI

Market Cap

$8.91B

PE Ratio

N/A

TTM Avg

285.22

3Y Avg

274.41

5Y Avg

1256.57

IDCC

InterDigital, Inc.

vs AAOI

Market Cap

$8.40B

PE Ratio

37.56

TTM Avg

27.23

3Y Avg

19.91

5Y Avg

25.09

GTLB

GitLab Inc.

vs AAOI

Market Cap

$8.37B

PE Ratio

N/A

TTM Avg

427.97

3Y Avg

427.97

5Y Avg

427.97

APLD

Applied Digital Corp.

vs AAOI

Market Cap

$8.29B

PE Ratio

N/A

TTM Avg

N/A

3Y Avg

N/A

5Y Avg

N/A

SIMO

Silicon Motion Technology Corporation

vs AAOI

Market Cap

$9.16B

PE Ratio

7.99

TTM Avg

14.87

3Y Avg

24.39

5Y Avg

20.61

ESTC

Elastic N.V.

vs AAOI

Market Cap

$9.26B

PE Ratio

24.93

TTM Avg

20.03

3Y Avg

158.12

5Y Avg

158.12

FORM

FormFactor, Inc.

vs AAOI

Market Cap

$9.36B

PE Ratio

82.77

TTM Avg

124.09

3Y Avg

71.40

5Y Avg

59.79

S

SentinelOne, Inc.

vs AAOI

Market Cap

$7.92B

PE Ratio

N/A

TTM Avg

N/A

3Y Avg

N/A

5Y Avg

N/A

CIFR

Cipher Mining Inc.

vs AAOI

Market Cap

$7.78B

PE Ratio

N/A

TTM Avg

88.62

3Y Avg

177.63

5Y Avg

691.10

NAME	MARKET CAP	PE RATIO	TTM	3Y	5Y
Applied Optoelectronics, Inc. (AAOI)	$8.71B	N/A	18.03	19.70	32.43
Viavi Solutions Inc. (VIAV)vs ›	$8.91B	N/A	285.22	274.41	1256.57
InterDigital, Inc. (IDCC)vs ›	$8.40B	37.56	27.23	19.91	25.09
GitLab Inc. (GTLB)vs ›	$8.37B	N/A	427.97	427.97	427.97
Applied Digital Corp. (APLD)vs ›	$8.29B	N/A	N/A	N/A	N/A
Silicon Motion Technology Corporation (SIMO)vs ›	$9.16B	7.99	14.87	24.39	20.61
Elastic N.V. (ESTC)vs ›	$9.26B	24.93	20.03	158.12	158.12
FormFactor, Inc. (FORM)vs ›	$9.36B	82.77	124.09	71.40	59.79
SentinelOne, Inc. (S)vs ›	$7.92B	N/A	N/A	N/A	N/A
Cipher Mining Inc. (CIFR)vs ›	$7.78B	N/A	88.62	177.63	691.10

P/E Comparison

Trailing P/E

N/A

Forward P/E

146.6

Forward P/E Calculation

View All Analyst Estimates

Forward P/E is calculated using analyst consensus EPS estimates for the current or next fiscal year.

Calculation:

Current Price

$108.50

÷

Forward EPS (Est.)

$0.74

=

Forward P/E

146.61

Source: FMP Analyst Consensus Estimates. Forward EPS represents the average analyst estimate for the nearest fiscal year.

PE Ratio Formula & Definition

PE Ratio = Share Price / Diluted EPS (TTM)

The price-to-earnings ratio measures how much investors pay for each dollar of trailing earnings. A lower PE can indicate a cheaper valuation; a higher PE implies higher growth expectations.

Expanded definitions: Investopedia, Wikipedia, Corporate Finance Institute

PE Ratio FAQ

What is the P/E ratio for Applied Optoelectronics, Inc. (AAOI)?: The P/E ratio for AAOI stock is N/A.
What is the TTM average P/E ratio for Applied Optoelectronics, Inc. (AAOI)?: The TTM average P/E ratio for AAOI stock is 18.03.
What is the 3Y average P/E ratio for Applied Optoelectronics, Inc. (AAOI)?: The 3Y average P/E ratio for AAOI stock is 19.70.
What is the 5Y average P/E ratio for Applied Optoelectronics, Inc. (AAOI)?: The 5Y average P/E ratio for AAOI stock is 32.43.

AAOI PE Ratio History

DATE	PE RATIO
2019-02-26	27.55
2019-02-25	28.01
2019-02-22	25.70
2019-02-21	24.33
2019-02-20	24.35
2019-02-19	24.88
2019-02-15	25.05
2019-02-14	24.53
2019-02-13	24.90
2019-02-12	24.43
2019-02-11	26.28
2019-02-08	26.47
2019-02-07	26.37
2019-02-06	28.98
2019-02-05	28.82
2019-02-04	29.65
2019-02-01	28.82
2019-01-31	28.97
2019-01-30	28.87
2019-01-29	28.08
2019-01-28	28.15
2019-01-25	29.08
2019-01-24	27.87
2019-01-23	27.02
2019-01-22	27.12
2019-01-18	27.65
2019-01-17	26.73
2019-01-16	26.58
2019-01-15	26.93
2019-01-14	26.58
2019-01-11	27.32
2019-01-10	27.12
2019-01-09	26.87
2019-01-08	26.68
2019-01-07	26.13
2019-01-04	25.90
2019-01-03	25.10
2019-01-02	26.47
2018-12-31	25.72
2018-12-28	25.05
2018-12-27	24.87
2018-12-26	24.88
2018-12-24	23.07
2018-12-21	24.22
2018-12-20	25.37
2018-12-19	24.85
2018-12-18	25.68
2018-12-17	28.52
2018-12-14	29.33
2018-12-13	31.83
2018-12-12	33.07
2018-12-11	32.95
2018-12-10	32.90
2018-12-07	31.90
2018-12-06	33.37
2018-12-04	35.27
2018-12-03	35.97
2018-11-30	34.32
2018-11-29	33.80
2018-11-28	34.43
2018-11-27	33.33
2018-11-26	34.02
2018-11-23	33.88
2018-11-21	33.77
2018-11-20	32.75
2018-11-19	32.82
2018-11-16	34.98
2018-11-15	35.57
2018-11-14	33.65
2018-11-13	33.60
2018-11-12	32.71
2018-11-09	36.10
2018-11-08	12.47
2018-11-07	11.14
2018-11-06	11.67
2018-11-05	11.17
2018-11-02	11.78
2018-11-01	11.57
2018-10-31	11.28
2018-10-30	11.52
2018-10-29	11.68
2018-10-26	11.79
2018-10-25	12.39
2018-10-24	11.81
2018-10-23	12.79
2018-10-22	12.82
2018-10-19	12.59
2018-10-18	13.13
2018-10-17	13.30
2018-10-16	13.43
2018-10-15	12.84
2018-10-12	13.17
2018-10-11	12.66
2018-10-10	12.25
2018-10-09	12.97
2018-10-08	13.13
2018-10-05	13.79
2018-10-04	14.10
2018-10-03	14.32
2018-10-02	13.43
2018-10-01	13.79
2018-09-28	14.17
2018-09-27	16.30
2018-09-26	18.01
2018-09-25	19.29
2018-09-24	19.09
2018-09-21	18.80
2018-09-20	18.89
2018-09-19	17.92
2018-09-18	18.70
2018-09-17	19.56
2018-09-14	19.65
2018-09-13	19.42
2018-09-12	19.34
2018-09-11	18.99
2018-09-10	19.04
2018-09-07	18.41
2018-09-06	18.53
2018-09-05	19.68
2018-09-04	21.10
2018-08-31	23.77
2018-08-30	23.92
2018-08-29	24.36
2018-08-28	24.56
2018-08-27	24.20
2018-08-24	24.64
2018-08-23	24.59
2018-08-22	24.04
2018-08-21	23.34
2018-08-20	23.14
2018-08-17	23.08
2018-08-16	22.75
2018-08-15	23.76
2018-08-14	23.95
2018-08-13	24.30
2018-08-10	24.43
2018-08-09	23.05
2018-08-08	14.77
2018-08-07	13.44
2018-08-06	14.07
2018-08-03	14.23
2018-08-02	13.77
2018-08-01	13.50
2018-07-31	13.87
2018-07-30	13.69
2018-07-27	13.80
2018-07-26	14.34
2018-07-25	13.83
2018-07-24	13.81
2018-07-23	15.16
2018-07-20	15.08
2018-07-19	15.34
2018-07-18	15.52
2018-07-17	17.11
2018-07-16	17.57
2018-07-13	17.25
2018-07-12	17.62
2018-07-11	16.52
2018-07-10	16.53
2018-07-09	16.36
2018-07-06	16.61
2018-07-05	16.61
2018-07-03	16.60
2018-07-02	16.60
2018-06-29	16.21
2018-06-28	15.39
2018-06-27	14.90
2018-06-26	15.43
2018-06-25	14.53
2018-06-22	15.79
2018-06-21	15.57
2018-06-20	15.22
2018-06-19	15.20
2018-06-18	15.69
2018-06-15	15.66
2018-06-14	15.79
2018-06-13	15.73
2018-06-12	15.71
2018-06-11	15.35
2018-06-08	16.38
2018-06-07	16.24
2018-06-06	16.19
2018-06-05	16.98
2018-06-04	16.95
2018-06-01	16.25
2018-05-31	16.88
2018-05-30	14.66
2018-05-29	12.90
2018-05-25	12.45
2018-05-24	12.25
2018-05-23	12.16
2018-05-22	12.01
2018-05-21	12.10
2018-05-18	11.99
2018-05-17	12.18
2018-05-16	12.03
2018-05-15	11.70
2018-05-14	11.62
2018-05-11	11.47
2018-05-10	11.58
2018-05-09	11.65
2018-05-08	9.60
2018-05-07	9.19
2018-05-04	8.70
2018-05-03	8.78
2018-05-02	8.40
2018-05-01	8.61
2018-04-30	8.73
2018-04-27	9.22
2018-04-26	9.25
2018-04-25	8.91
2018-04-24	8.99
2018-04-23	8.87
2018-04-20	9.01
2018-04-19	8.64
2018-04-18	7.73
2018-04-17	7.74
2018-04-16	8.19
2018-04-13	8.25
2018-04-12	8.08
2018-04-11	7.96
2018-04-10	6.95
2018-04-09	6.66
2018-04-06	6.58
2018-04-05	6.72
2018-04-04	6.64
2018-04-03	6.56
2018-04-02	6.56
2018-03-29	6.85
2018-03-28	6.46
2018-03-27	6.72
2018-03-26	6.70
2018-03-23	6.93
2018-03-22	7.09
2018-03-21	7.30
2018-03-20	7.29
2018-03-19	7.16
2018-03-16	7.32
2018-03-15	7.32
2018-03-14	7.96
2018-03-13	8.06
2018-03-12	8.46
2018-03-09	7.84
2018-03-08	7.64
2018-03-07	7.32
2018-03-06	7.50
2018-03-05	7.52
2018-03-02	7.64
2018-03-01	7.60
2018-02-28	6.73
2018-02-27	6.59
2018-02-26	6.75
2018-02-23	6.75
2018-02-22	6.63
2018-02-21	8.33
2018-02-20	8.03
2018-02-16	7.71
2018-02-15	7.71
2018-02-14	7.54
2018-02-13	7.11

Showing the most recent 260 of 1,142 data points. The chart above shows the full history.

See the Lowest P/E Ratio Stocks ranking →

PE Ratio: N/A

AAOI PE Ratio Chart

AAOI Average PE Ratio Chart

AAOI PE Ratio Metrics

AAOI Competitors' PE Ratio

P/E Comparison

Forward P/E Calculation

PE Ratio Formula & Definition

PE Ratio FAQ

AAOI PE Ratio History

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