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G-TECH Optoelectronics Corporation

TWD 59.4 +$20.70 (+53.49%)

TAI · 15 Sep 2026 05:30 UTC

Previous Close

TWD 60.9

Day Range

TWD 59.4TWD 61.3

Year Range

TWD 32.2TWD 109

Market Cap

14.31B

AVG Volume

15.71M

Trailing/Forward PE

-28.15/848.57

PEG ratio

0.31

Dividend Yield

Next Earnings Date

2026-11-06

Primary Exchange

Taiwan Stock Exchange

Revenue (TWD)

3149.TW Revenue (TWD) by year
Period	Revenue (TWD)
2025	2.28B
2024	2.16B
2023	1.86B
2022	2.43B
2021	2.61B
2020	2.45B
2019	2.87B
2018	4.17B
2017	3.63B
2016	2.56B

Net Income (TWD)

3149.TW Net Income (TWD) by year
Period	Net Income (TWD)
2025	-604.61M
2024	-240.76M
2023	-118.3M
2022	-361.24M
2021	-120.8M
2020	-293.12M
2019	-60.37M
2018	-124.5M
2017	19.58M
2016	-451.09M

Operating Income (TWD)

3149.TW Operating Income (TWD) by year
Period	Operating Income (TWD)
2025	-602.97M
2024	-299.55M
2023	-68.01M
2022	-246.29M
2021	-208M
2020	-214.47M
2019	-213.23M
2018	-173.03M
2017	-504.65M
2016	-1.55B

EBITDA (TWD)

3149.TW EBITDA (TWD) by year
Period	EBITDA (TWD)
2025	-472.93M
2024	-56.62M
2023	68.46M
2022	-73.27M
2021	79.65M
2020	-13.66M
2019	205.2M
2018	121.94M
2017	279.12M
2016	-475.88M

Cash Flows (TWD)

3149.TW Cash Flows (TWD) by year
Period	Cash Flows (TWD)
2025	-791.97M
2024	-89.53M
2023	-18.3M
2022	-53.88M
2021	-36.85M
2020	193.87M
2019	249.29M
2018	-92.48M
2017	-527.1M
2016	-211.79M

EPS (TWD)

3149.TW EPS (TWD) by year
Period	EPS (TWD)
2025	-2.87
2024	-1.33
2023	-0.82
2022	-1.97
2021	-0.57
2020	-1.41
2019	-0.29
2018	-0.69
2017	0.13
2016	-2.66

Expenses (TWD)

3149.TW Expenses (TWD) by year
Period	Expenses (TWD)
2025	739.34M
2024	437.58M
2023	306.31M
2022	392.39M
2021	432.84M
2020	222.45M
2019	228.16M
2018	292.14M
2017	453.7M
2016	1.1B

Cash & Debt (TWD)

3149.TW Cash & Debt (TWD) by year
Period	Cash & Debt (TWD)
2025	799.97M
2024	1.35B
2023	558.55M
2022	802.98M
2021	718.57M
2020	605.03M
2019	496.62M
2018	942.16M
2017	949.5M
2016	1.09B

Debt ratios

3149.TW Debt ratios by year
Period	Debt ratios
2025	-1.58
2024	42.46
2023	27.68
2022	7.79
2021	4.45
2020	2.39
2019	11.43
2018	-0.39

Margins

3149.TW Margins by year
Period	Margins
2025	-10.77%
2024	0.9%
2023	2.95%
2022	-5.02%
2021	1.42%
2020	-0.37%
2019	-0.6%
2018	2.02%
2017	-4.21%
2016	-41.85%

Return on Capital

3149.TW Return on Capital by year
Period	Return on Capital
2025	-23.65%
2024	-12.27%
2023	-8.66%
2022	-24.43%
2021	-8.43%
2020	-19.07%
2019	-3.98%
2018	-7.57%
2017	1.27%
2016	-35.96%

Shares Outstanding

3149.TW Shares Outstanding by year
Period	Shares Outstanding
2025	232.68M
2024	191.39M
2023	144.33M
2022	144.24M
2021	212.37M
2020	202.17M
2019	206.25M
2018	196.54M
2017	176.33M
2016	168.91M

Dividends (TWD)

3149.TW Dividends (TWD) by year
Period	Dividends (TWD)
2013	2.32
2012	4.17
2011	0.46
2008	0.28

Book Value Per Share (TWD)

3149.TW Book Value Per Share (TWD) by year
Period	Book Value Per Share (TWD)
2025	10.99
2024	10.25
2023	9.47
2022	10.25
2021	6.75
2020	7.6
2019	7.36
2018	8.36
2017	8.74
2016	7.43

Total Assets (TWD)

3149.TW Total Assets (TWD) by year
Period	Total Assets (TWD)
2025	4.88B
2024	4.68B
2023	4.1B
2022	4.36B
2021	4.49B
2020	4.05B
2019	3.88B
2018	5.1B
2017	5.37B
2016	6.1B

PE Ratio

3149.TW PE Ratio by year
Period	PE Ratio
Jun 18	204.36
Jun 18	211.66
Jun 18	217.6
Jun 18	204.99
May 18	200.4
May 18	206.97
May 18	205.71
May 18	208.33
Apr 18	212.29
Apr 18	216.97
Apr 18	227.6
Apr 18	246.78

Free Cash Flow Yield

3149.TW Free Cash Flow Yield by year
Period	Free Cash Flow Yield
Sep 26	-5.97%
Sep 26	-5.7%
Sep 26	-5.86%
Aug 26	-5.34%
Aug 26	-5.46%
Aug 26	-5.29%
Aug 26	-5.65%
Jul 26	-5.38%
Jul 26	-5.1%
Jul 26	-4.46%
Jul 26	-4.22%
Jul 26	-4.33%
Jun 26	-3.71%
Jun 26	-3.58%
Jun 26	-4.1%
Jun 26	-3.75%
May 26	-4.78%
May 26	-5.76%
May 26	-5.93%
May 26	-7.05%
Apr 26	-7.2%
Apr 26	-7.9%
Apr 26	-8.05%
Apr 26	-8.22%
Apr 26	-7.82%
Mar 26	-5.13%
Mar 26	-5.16%
Mar 26	-5.07%
Mar 26	-4.55%
Feb 26	-4.48%
Feb 26	-4.79%
Feb 26	-4.82%
Jan 26	-4.5%
Jan 26	-3.98%
Jan 26	-5.31%
Jan 26	-5.7%
Jan 26	-6.09%
Dec 25	-6.01%
Dec 25	-5.83%
Dec 25	-5.68%
Dec 25	-5.73%
Nov 25	-5.64%
Nov 25	-5.7%
Nov 25	-5.36%
Nov 25	-5.07%
Oct 25	-5.34%
Oct 25	-5.19%
Oct 25	-5.19%
Oct 25	-4.33%
Oct 25	-4.46%
Sep 25	-3.49%
Sep 25	-3.41%
Sep 25	-4%
Sep 25	-3.64%
Aug 25	-3.63%
Aug 25	-4.02%
Aug 25	-4.33%
Aug 25	-4.51%
Aug 25	-4.59%
Jul 25	-4.68%
Jul 25	-4.76%
Jul 25	-4.72%
Jul 25	-4.65%
Jun 25	-1.42%
Jun 25	-1.46%
Jun 25	-1.44%
Jun 25	-1.35%
May 25	-1.44%
May 25	-1.31%
May 25	-1.23%
May 25	-1.49%
May 25	-1.5%
Apr 25	-1.5%
Apr 25	-1.56%
Apr 25	-1.61%
Apr 25	-1.48%
Mar 25	-2.09%
Mar 25	-1.95%
Mar 25	-1.9%
Mar 25	-1.9%
Feb 25	-1.98%
Feb 25	-1.94%
Feb 25	-2.13%
Feb 25	-2.16%
Jan 25	-2.18%
Jan 25	-2.24%
Jan 25	-2.12%
Jan 25	-2.16%
Dec 24	-0.59%
Dec 24	-0.62%
Dec 24	-0.62%
Dec 24	-0.61%
Nov 24	-0.61%
Nov 24	-0.55%
Nov 24	-0.55%
Nov 24	-0.5%
Nov 24	-0.5%
Oct 24	-0.47%
Oct 24	-0.45%
Oct 24	-0.48%

Price to Sales

3149.TW Price to Sales by year
Period	Price to Sales
Sep 26	5.65
Sep 26	5.93
Sep 26	5.76
Aug 26	6.32
Aug 26	6.18
Aug 26	6.38
Aug 26	5.97
Jul 26	6.27
Jul 26	6.62
Jul 26	7.57
Jul 26	8
Jul 26	7.79
Jun 26	9.36
Jun 26	9.68
Jun 26	8.46
Jun 26	9.26
May 26	7.26
May 26	6.02
May 26	5.85
May 26	4.92
Apr 26	4.82
Apr 26	4.39
Apr 26	4.31
Apr 26	4.22
Apr 26	4.43
Mar 26	4.75
Mar 26	4.72
Mar 26	4.8
Mar 26	5.35
Feb 26	5.43
Feb 26	5.08
Feb 26	5.05
Jan 26	5.41
Jan 26	6.12
Jan 26	4.59
Jan 26	4.28
Jan 26	4
Dec 25	3.02
Dec 25	3.11
Dec 25	3.19
Dec 25	3.17
Nov 25	3.22
Nov 25	3.18
Nov 25	3.38
Nov 25	3.58
Oct 25	3.39
Oct 25	3.49
Oct 25	3.49
Oct 25	4.19
Oct 25	4.06
Sep 25	3.46
Sep 25	3.53
Sep 25	3.02
Sep 25	3.31
Aug 25	3.32
Aug 25	3
Aug 25	2.79
Aug 25	2.68
Aug 25	2.63
Jul 25	2.57
Jul 25	2.53
Jul 25	2.55
Jul 25	2.59
Jun 25	2.92
Jun 25	2.83
Jun 25	2.87
Jun 25	3.07
May 25	2.88
May 25	3.15
May 25	3.37
May 25	2.78
May 25	2.75
Apr 25	2.76
Apr 25	2.65
Apr 25	2.57
Apr 25	2.79
Mar 25	2.9
Mar 25	3.1
Mar 25	3.19
Mar 25	3.19
Feb 25	3.06
Feb 25	3.11
Feb 25	2.84
Feb 25	2.8
Jan 25	2.78
Jan 25	2.7
Jan 25	2.86
Jan 25	2.8
Dec 24	2.63
Dec 24	2.51
Dec 24	2.49
Dec 24	2.54
Nov 24	2.54
Nov 24	2.81
Nov 24	2.83
Nov 24	3.09
Nov 24	3.12
Oct 24	3.31
Oct 24	3.45
Oct 24	3.24

EV/EBITDA

3149.TW EV/EBITDA by year
Period	EV/EBITDA
Mar 25	292.34
Mar 25	310.63
Mar 25	319.08
Mar 25	319.08
Feb 25	306.81
Feb 25	311.85
Feb 25	286.66
Feb 25	283
Jan 25	280.97
Jan 25	274.06
Jan 25	288.28
Jan 25	283
Dec 24	113.69
Dec 24	109.31
Dec 24	108.41
Dec 24	110.22
Nov 24	110.37
Nov 24	120.63
Nov 24	121.23
Nov 24	130.89
Nov 24	132.25
Oct 24	139.19
Oct 24	144.77
Oct 24	136.78
Oct 24	120.18
Sep 24	86.15
Sep 24	77.07
Sep 24	76.46
Sep 24	72
Aug 24	80.3
Aug 24	67.03
Aug 24	61.79
Aug 24	60.74
Aug 24	65.98
Jul 24	66.24
Jul 24	69.91
Jul 24	74.97
Jul 24	78.46
Jun 24	89.88
Jun 24	82.08
Jun 24	81.13
Jun 24	76.39
May 24	77.44
May 24	75.42
May 24	73.58
May 24	73.18
May 24	71.66
Apr 24	70.76
Apr 24	70.97
Apr 24	75.42
Apr 24	74.3
Mar 24	270.79
Mar 24	260.98
Mar 24	270.79
Mar 24	266.86
Mar 24	286.47
Feb 24	299.37
Feb 24	298.96
Feb 24	286.47
Feb 24	291.94
Jan 24	307.21
Jan 24	276.67
Jan 24	258.62
Jan 24	258.21
Dec 23	262.94
Dec 23	3188.81
Dec 23	3377.11
Dec 23	3174.71
Dec 23	3183.77
Nov 23	3019.64
Nov 23	2884.71
Nov 23	2570.55
Nov 23	2555.44
Oct 23	2632.98
Oct 23	2971.31
Oct 23	2887.73
Oct 23	3000.51
Sep 23	3000.51
Sep 22	198.13
Sep 22	198.5
Sep 22	189.46
Sep 22	200.88
Aug 22	217.43
Aug 22	190.62
Aug 22	181.58
Aug 22	174.86
Jul 22	181.16
Jul 22	185.92
Jul 22	174.86
Jul 22	178.83
Jul 22	178.83
Jun 22	98.53
Jun 22	104.1
Jun 22	110.88
Jun 22	111.86
May 22	112.45
May 22	112.85
May 22	111.65
May 22	121.41
Apr 22	110.08

Price/Operating Cashflow

3149.TW Price/Operating Cashflow by year
Period	Price/Operating Cashflow
Jun 25	504.9
Jun 25	488.86
Jun 25	494.97
Jun 25	530.87
May 25	496.5
May 25	544.62
May 25	581.28
May 25	480.46
May 25	475.11
Apr 25	477.4
Apr 25	458.3
Apr 25	443.79
Apr 25	481.98
Jun 24	164.79
Jun 24	145.06
Jun 24	142.66
Jun 24	130.66
May 24	133.32
May 24	128.2
May 24	123.56
May 24	122.55
May 24	118.71
Apr 24	116.42
Apr 24	116.95
Apr 24	128.2
Apr 24	125.38
Mar 24	77.22
Mar 24	73.41
Mar 24	77.22
Mar 24	75.7
Mar 24	83.32
Feb 24	88.33
Feb 24	88.17
Feb 24	83.32
Feb 24	85.44
Jan 24	91.38
Jan 24	79.51
Jan 24	72.49
Jan 24	72.33
Dec 23	74.18
Dec 23	109.15
Dec 23	118.19
Dec 23	108.48
Dec 23	108.91
Nov 23	101.04
Nov 23	94.57
Nov 23	79.5
Nov 23	78.77
Oct 23	82.49
Oct 23	98.72
Oct 23	94.71
Oct 23	100.12
Sep 23	100.12
Sep 23	85.97
Sep 23	79.49
Sep 23	87.68
Sep 23	80.59
Aug 23	75.24
Aug 23	78.05
Aug 23	73.27
Aug 23	78.61
Jul 23	79.18
Jul 23	81.72
Jul 23	69.29
Jul 23	74.1
Jun 23	79.18
Jun 23	35.55
Jun 23	35.3
Jun 23	35.91
Jun 23	37.14
May 23	35.66
May 23	34.45
May 23	35.06
May 23	45.23
Apr 23	44.98
Apr 23	48.04
Apr 23	45.23
Apr 23	44.62
Mar 23	44.74
Mar 23	56.87
Mar 23	56.11
Mar 23	57.64
Mar 23	57.18
Feb 23	57.64
Feb 23	57.02
Feb 23	58.26
Feb 23	58.71
Jan 23	55.63
Jan 23	56.11
Jan 23	56.56
Dec 22	57.02
Dec 22	30.6
Dec 22	32.05
Dec 22	32.69
Dec 22	35.91
Nov 22	31.89
Nov 22	32.77
Nov 22	34.38
Nov 22	33.41
Oct 22	33.25

Price to Book

3149.TW Price to Book by year
Period	Price to Book
Sep 26	5.47
Sep 26	5.74
Sep 26	5.58
Aug 26	6.12
Aug 26	5.99
Aug 26	6.18
Aug 26	5.79
Jul 26	6.07
Jul 26	6.41
Jul 26	7.33
Jul 26	7.74
Jul 26	7.55
Jun 26	8.36
Jun 26	8.65
Jun 26	7.55
Jun 26	8.26
May 26	6.48
May 26	5.38
May 26	5.22
May 26	4.39
Apr 26	4.3
Apr 26	3.92
Apr 26	3.85
Apr 26	3.77
Apr 26	3.96
Mar 26	3.85
Mar 26	3.83
Mar 26	3.9
Mar 26	4.34
Feb 26	4.41
Feb 26	4.12
Feb 26	4.1
Jan 26	4.39
Jan 26	4.97
Jan 26	3.72
Jan 26	3.47
Jan 26	3.24
Dec 25	2.36
Dec 25	2.43
Dec 25	2.49
Dec 25	2.47
Nov 25	2.51
Nov 25	2.48
Nov 25	2.64
Nov 25	2.79
Oct 25	2.65
Oct 25	2.73
Oct 25	2.73
Oct 25	3.27
Oct 25	3.17
Sep 25	4.22
Sep 25	4.31
Sep 25	3.69
Sep 25	4.05
Aug 25	4.06
Aug 25	3.66
Aug 25	3.4
Aug 25	3.27
Aug 25	3.21
Jul 25	3.14
Jul 25	3.09
Jul 25	3.12
Jul 25	3.17
Jun 25	3.22
Jun 25	3.12
Jun 25	3.16
Jun 25	3.39
May 25	3.17
May 25	3.48
May 25	3.71
May 25	3.07
May 25	3.03
Apr 25	3.05
Apr 25	2.93
Apr 25	2.83
Apr 25	3.08
Mar 25	2.92
Mar 25	3.12
Mar 25	3.21
Mar 25	3.21
Feb 25	3.07
Feb 25	3.13
Feb 25	2.85
Feb 25	2.81
Jan 25	2.79
Jan 25	2.72
Jan 25	2.87
Jan 25	2.81
Dec 24	2.41
Dec 24	2.3
Dec 24	2.28
Dec 24	2.32
Nov 24	2.33
Nov 24	2.57
Nov 24	2.59
Nov 24	2.82
Nov 24	2.86
Oct 24	3.02
Oct 24	3.16
Oct 24	2.97

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G-TECH Optoelectronics Corporation

Video analysis: 3149.TW

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