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TSEC Corporation

TWD 23.8 -$3.95 (-14.23%)

TAI · 16 Sep 2026 05:30 UTC

Previous Close

TWD 22.7

Day Range

TWD 22.8TWD 24

Year Range

TWD 11.95TWD 56.5

Market Cap

12.2B

AVG Volume

12.85M

Trailing/Forward PE

-3.87/59.5

PEG ratio

0.05

Dividend Yield

Next Earnings Date

2026-11-16

Primary Exchange

Taiwan Stock Exchange

Revenue (TWD)

6443.TW Revenue (TWD) by quarter
Period	Revenue (TWD)
26 Q2	269.47M
26 Q1	406.02M
25 Q4	374.21M
25 Q3	341.34M
25 Q2	369.46M
25 Q1	741.6M
24 Q4	751.29M
24 Q3	1.21B
24 Q2	1.39B
24 Q1	1.17B

Net Income (TWD)

6443.TW Net Income (TWD) by quarter
Period	Net Income (TWD)
26 Q2	-206.16M
26 Q1	-100.63M
25 Q4	-2.22B
25 Q3	-620.21M
25 Q2	-237.73M
25 Q1	-118.17M
24 Q4	-670.79M
24 Q3	18.34M
24 Q2	30.22M
24 Q1	21.97M

Operating Income (TWD)

6443.TW Operating Income (TWD) by quarter
Period	Operating Income (TWD)
26 Q2	-221.99M
26 Q1	-75.85M
25 Q4	-967.67M
25 Q3	-417.49M
25 Q2	-251.63M
25 Q1	-106.66M
24 Q4	-661.59M
24 Q3	30.9M
24 Q2	22.85M
24 Q1	42.99M

EBITDA (TWD)

6443.TW EBITDA (TWD) by quarter
Period	EBITDA (TWD)
26 Q2	-137.32M
26 Q1	9.57M
25 Q4	-1.86B
25 Q3	-367.43M
25 Q2	-68.48M
25 Q1	60.06M
24 Q4	-477.45M
24 Q3	222.26M
24 Q2	219.9M
24 Q1	216.99M

Cash Flows (TWD)

6443.TW Cash Flows (TWD) by quarter
Period	Cash Flows (TWD)
26 Q2	-154.43M
26 Q1	-119.01M
25 Q4	213.58M
25 Q3	37.18M
25 Q2	-217.77M
25 Q1	147.93M
24 Q4	146.18M
24 Q3	145.55M
24 Q2	-161.02M
24 Q1	-69.48M

EPS (TWD)

6443.TW EPS (TWD) by quarter
Period	EPS (TWD)
26 Q2	-0.4
26 Q1	-0.2
25 Q4	-4.34
25 Q3	-1.21
25 Q2	-0.46
25 Q1	-0.23
24 Q4	-1.31
24 Q3	0.04
24 Q2	0.06
24 Q1	0.04

Expenses (TWD)

6443.TW Expenses (TWD) by quarter
Period	Expenses (TWD)
26 Q2	95.98M
26 Q1	73.8M
25 Q4	82.99M
25 Q3	108.8M
25 Q2	116.09M
25 Q1	137.63M
24 Q4	123.61M
24 Q3	269.19M
24 Q2	316.54M
24 Q1	285.23M

Cash & Debt (TWD)

6443.TW Cash & Debt (TWD) by quarter
Period	Cash & Debt (TWD)
26 Q2	466.51M
26 Q1	490.46M
25 Q4	663.49M
25 Q3	826.14M
25 Q2	480.13M
25 Q1	696.51M
24 Q4	707.48M
24 Q3	692.33M
24 Q2	894.17M
24 Q1	963.79M

Debt ratios

6443.TW Debt ratios by quarter
Period	Debt ratios
26 Q2	-0.91
26 Q1	-0.85
25 Q4	-0.83
25 Q3	-2.46
25 Q2	-7.2
25 Q1	69.82
24 Q4	10.33
24 Q3	2.09
24 Q2	1.93
24 Q1	1.24

Margins

6443.TW Margins by quarter
Period	Margins
26 Q2	-55.24%
26 Q1	-6.08%
25 Q4	-216.79%
25 Q3	-98.64%
25 Q2	-47.38%
25 Q1	-4.16%
24 Q4	-5.28%
24 Q3	8.74%
24 Q2	8.62%
24 Q1	11.43%

Return on Capital

6443.TW Return on Capital by quarter
Period	Return on Capital
26 Q2	-6.18%
26 Q1	-2.84%
25 Q4	-61.05%
25 Q3	-10.58%
25 Q2	-3.67%
25 Q1	-1.76%
24 Q4	-9.82%
24 Q3	0.24%
24 Q2	0.4%
24 Q1	0.29%

Shares Outstanding

6443.TW Shares Outstanding by quarter
Period	Shares Outstanding
26 Q2	512.8M
26 Q1	512.8M
25 Q4	512.7M
25 Q3	512.57M
25 Q2	516.8M
25 Q1	513.8M
24 Q4	512.8M
24 Q3	458.45M
24 Q2	512.8M
24 Q1	512.8M

Dividends (TWD)

6443.TW Dividends (TWD) by quarter
Period	Dividends (TWD)
Aug 24	0.4
Jun 23	0.1

Book Value Per Share (TWD)

6443.TW Book Value Per Share (TWD) by quarter
Period	Book Value Per Share (TWD)
26 Q2	6.51
26 Q1	6.91
25 Q4	7.1
25 Q3	11.44
25 Q2	12.54
25 Q1	13.06
24 Q4	13.33
24 Q3	16.37
24 Q2	14.6
24 Q1	14.96

Total Assets (TWD)

6443.TW Total Assets (TWD) by quarter
Period	Total Assets (TWD)
26 Q2	6.33B
26 Q1	6.35B
25 Q4	6.63B
25 Q3	9.16B
25 Q2	9.56B
25 Q1	9.93B
24 Q4	10.32B
24 Q3	11.33B
24 Q2	11.83B
24 Q1	11.76B

PE Ratio

6443.TW PE Ratio by quarter
Period	PE Ratio
Mar 25	51.96
Mar 25	53.62
Mar 25	55.97
Mar 25	53.9
Feb 25	55.97
Feb 25	51.96
Feb 25	51.14
Feb 25	48.1
Jan 25	47.13
Jan 25	47.54
Jan 25	46.16
Jan 25	49.62
Dec 24	36.06
Dec 24	35.47
Dec 24	38.03
Dec 24	40.79
Nov 24	38.82
Nov 24	37.83
Nov 24	38.42
Nov 24	40.79
Nov 24	44.63
Oct 24	44.04
Oct 24	44.04
Oct 24	45.12
Oct 24	48.18
Sep 24	33.4
Sep 24	32.98
Sep 24	30.44
Sep 24	30.23
Aug 24	33.6
Aug 24	32.91
Aug 24	33.53
Aug 24	33.26
Aug 24	37.11
Jul 24	38.48
Jul 24	41.43
Jul 24	43.02
Jul 24	44.8
Jun 24	28.16
Jun 24	27.13
Jun 24	26.16
Jun 24	26.99
May 24	26.75
May 24	26.55
May 24	27.96
May 24	26.84
May 24	26.6
Apr 24	27.13
Apr 24	27.91
Apr 24	28.45
Apr 24	27.33
Mar 24	26.27
Mar 24	26.41
Mar 24	24.38
Mar 24	23.62
Mar 24	24.47
Feb 24	24.79
Feb 24	24.92
Feb 24	25.19
Feb 24	25.42
Jan 24	25.28
Jan 24	24.88
Jan 24	25.42
Jan 24	26.09
Dec 23	26.36
Dec 23	30.69
Dec 23	30.38
Dec 23	29.81
Dec 23	30.28
Nov 23	30.38
Nov 23	29.86
Nov 23	28.78
Nov 23	29.45
Oct 23	29.55
Oct 23	28.47
Oct 23	28.62
Oct 23	29.45
Sep 23	29.35
Sep 23	40.63
Sep 23	42.35
Sep 23	43.2
Sep 23	44.21
Aug 23	43.42
Aug 23	43.13
Aug 23	42.78
Aug 23	43.85
Jul 23	45.06
Jul 23	45.35
Jul 23	47.21
Jul 23	48.14
Jun 23	50.47
Jun 23	86.86
Jun 23	87.11
Jun 23	85.29
Jun 23	86.99
May 23	84.93
May 23	83.94
May 23	83.35
May 23	88.56
Apr 23	89.3

Free Cash Flow Yield

6443.TW Free Cash Flow Yield by quarter
Period	Free Cash Flow Yield
Sep 26	-0.74%
Sep 26	-0.72%
Sep 26	-0.67%
Aug 26	-0.63%
Aug 26	-0.65%
Aug 26	-0.62%
Aug 26	-0.65%
Jul 26	-0.71%
Jul 26	-0.59%
Jul 26	-0.56%
Jul 26	-0.54%
Jul 26	-0.49%
Jun 26	1.02%
Jun 26	0.9%
Jun 26	0.85%
Jun 26	0.88%
May 26	0.87%
May 26	0.88%
May 26	0.92%
May 26	0.88%
Apr 26	1%
Apr 26	0.97%
Apr 26	0.9%
Apr 26	0.99%
Apr 26	0.91%
Mar 26	0.49%
Mar 26	0.47%
Mar 26	0.44%
Mar 26	0.46%
Feb 26	0.49%
Feb 26	0.6%
Feb 26	0.56%
Jan 26	0.57%
Jan 26	0.57%
Jan 26	0.58%
Jan 26	0.7%
Jan 26	0.8%
Dec 25	1.48%
Dec 25	1.9%
Dec 25	2.23%
Dec 25	3.29%
Nov 25	3.2%
Nov 25	3.48%
Nov 25	3.2%
Nov 25	3.12%
Oct 25	3.06%
Oct 25	3.04%
Oct 25	3.06%
Oct 25	2.94%
Oct 25	2.93%
Sep 25	3.63%
Sep 25	3.44%
Sep 25	3.75%
Sep 25	3.68%
Aug 25	3.5%
Aug 25	3.38%
Aug 25	3.22%
Aug 25	3.31%
Aug 25	3.28%
Jul 25	3.36%
Jul 25	3.43%
Jul 25	3.47%
Jul 25	3.45%
Jun 25	0.78%
Jun 25	0.8%
Jun 25	0.81%
Jun 25	0.79%
May 25	0.77%
May 25	0.72%
May 25	0.76%
May 25	0.79%
May 25	0.75%
Apr 25	0.76%
Apr 25	0.85%
Apr 25	0.89%
Apr 25	0.67%
Mar 25	-2.6%
Mar 25	-2.52%
Mar 25	-2.42%
Mar 25	-2.51%
Feb 25	-2.42%
Feb 25	-2.6%
Feb 25	-2.64%
Feb 25	-2.81%
Jan 25	-2.87%
Jan 25	-2.84%
Jan 25	-2.93%
Jan 25	-2.73%
Dec 24	-5.38%
Dec 24	-5.47%
Dec 24	-5.1%
Dec 24	-4.75%
Nov 24	-4.99%
Nov 24	-5.12%
Nov 24	-5.05%
Nov 24	-4.75%
Nov 24	-4.34%
Oct 24	-4.4%
Oct 24	-4.4%
Oct 24	-4.3%

Price to Sales

6443.TW Price to Sales by quarter
Period	Price to Sales
Sep 26	7.81
Sep 26	7.98
Sep 26	8.58
Aug 26	9.17
Aug 26	8.92
Aug 26	9.35
Aug 26	8.94
Jul 26	8.17
Jul 26	9.85
Jul 26	10.27
Jul 26	10.75
Jul 26	11.85
Jun 26	9.68
Jun 26	11.04
Jun 26	11.72
Jun 26	11.2
May 26	11.42
May 26	11.24
May 26	10.72
May 26	11.21
Apr 26	9.92
Apr 26	10.25
Apr 26	10.95
Apr 26	9.96
Apr 26	10.89
Mar 26	10.47
Mar 26	11.05
Mar 26	11.77
Mar 26	11.19
Feb 26	10.49
Feb 26	8.63
Feb 26	9.14
Jan 26	9.07
Jan 26	9.09
Jan 26	8.85
Jan 26	7.36
Jan 26	6.45
Dec 25	4.9
Dec 25	3.81
Dec 25	3.24
Dec 25	2.2
Nov 25	2.26
Nov 25	2.08
Nov 25	2.26
Nov 25	2.32
Oct 25	2.37
Oct 25	2.37
Oct 25	2.37
Oct 25	2.46
Oct 25	2.47
Sep 25	1.88
Sep 25	1.98
Sep 25	1.82
Sep 25	1.85
Aug 25	1.95
Aug 25	2.02
Aug 25	2.12
Aug 25	2.06
Aug 25	2.08
Jul 25	2.03
Jul 25	1.99
Jul 25	1.97
Jul 25	1.97
Jun 25	1.74
Jun 25	1.7
Jun 25	1.68
Jun 25	1.72
May 25	1.77
May 25	1.89
May 25	1.78
May 25	1.73
May 25	1.8
Apr 25	1.79
Apr 25	1.6
Apr 25	1.52
Apr 25	2.02
Mar 25	1.53
Mar 25	1.58
Mar 25	1.65
Mar 25	1.59
Feb 25	1.65
Feb 25	1.53
Feb 25	1.51
Feb 25	1.42
Jan 25	1.39
Jan 25	1.4
Jan 25	1.36
Jan 25	1.46
Dec 24	1.5
Dec 24	1.47
Dec 24	1.58
Dec 24	1.69
Nov 24	1.61
Nov 24	1.57
Nov 24	1.6
Nov 24	1.69
Nov 24	1.85
Oct 24	1.83
Oct 24	1.83
Oct 24	1.87

EV/EBITDA

6443.TW EV/EBITDA by quarter
Period	EV/EBITDA
Sep 25	379.99
Sep 25	396.59
Sep 25	369.62
Sep 25	375.84
Aug 25	391.4
Aug 25	402.81
Aug 25	419.41
Aug 25	410.07
Aug 25	413.18
Jul 25	404.89
Jul 25	397.62
Jul 25	394.51
Jul 25	395.55
Jun 25	53.65
Jun 25	52.52
Jun 25	52.1
Jun 25	52.95
May 25	54.22
May 25	57.32
May 25	54.64
May 25	53.23
May 25	55.07
Apr 25	54.92
Apr 25	50.13
Apr 25	48.15
Apr 25	60.57
Mar 25	10.77
Mar 25	11.04
Mar 25	11.44
Mar 25	11.09
Feb 25	11.44
Feb 25	10.77
Feb 25	10.63
Feb 25	10.12
Jan 25	9.96
Jan 25	10.03
Jan 25	9.8
Jan 25	10.37
Dec 24	10.16
Dec 24	10.02
Dec 24	10.6
Dec 24	11.23
Nov 24	10.78
Nov 24	10.56
Nov 24	10.69
Nov 24	11.23
Nov 24	12.11
Oct 24	11.98
Oct 24	11.98
Oct 24	12.22
Oct 24	12.92
Sep 24	10.07
Sep 24	9.96
Sep 24	9.29
Sep 24	9.24
Aug 24	10.13
Aug 24	9.94
Aug 24	10.11
Aug 24	10.04
Aug 24	11.05
Jul 24	11.42
Jul 24	12.2
Jul 24	12.61
Jul 24	13.09
Jun 24	10.85
Jun 24	10.51
Jun 24	10.18
Jun 24	10.46
May 24	10.37
May 24	10.31
May 24	10.79
May 24	10.41
May 24	10.33
Apr 24	10.51
Apr 24	10.77
Apr 24	10.95
Apr 24	10.57
Mar 24	10.2
Mar 24	10.25
Mar 24	9.54
Mar 24	9.27
Mar 24	9.57
Feb 24	9.68
Feb 24	9.73
Feb 24	9.82
Feb 24	9.9
Jan 24	9.85
Jan 24	9.71
Jan 24	9.9
Jan 24	10.14
Dec 23	10.23
Dec 23	12.04
Dec 23	11.93
Dec 23	11.74
Dec 23	11.9
Nov 23	11.93
Nov 23	11.76
Nov 23	11.39
Nov 23	11.62
Oct 23	11.66

Price/Operating Cashflow

6443.TW Price/Operating Cashflow by quarter
Period	Price/Operating Cashflow
Sep 26	2804.94
Sep 26	2866.72
Sep 26	3082.96
Aug 26	3293.02
Aug 26	3206.53
Aug 26	3360.98
Aug 26	3212.7
Jul 26	2934.68
Jul 26	3540.15
Jul 26	3688.43
Jul 26	3861.42
Jul 26	4256.83
Jun 26	56.84
Jun 26	64.83
Jun 26	68.79
Jun 26	65.74
May 26	67.06
May 26	65.99
May 26	62.94
May 26	65.82
Apr 26	58.24
Apr 26	60.14
Apr 26	64.26
Apr 26	58.49
Apr 26	63.93
Mar 26	74.96
Mar 26	79.12
Mar 26	84.29
Mar 26	80.12
Feb 26	75.13
Feb 26	61.8
Feb 26	65.46
Jan 26	64.96
Jan 26	65.13
Jan 26	63.38
Jan 26	52.72
Jan 26	46.22
Dec 25	26.52
Dec 25	20.6
Dec 25	17.54
Dec 25	11.89
Nov 25	12.21
Nov 25	11.25
Nov 25	12.21
Nov 25	12.53
Oct 25	12.8
Oct 25	12.85
Oct 25	12.8
Oct 25	13.3
Oct 25	13.35
Sep 25	9.39
Sep 25	9.89
Sep 25	9.07
Sep 25	9.26
Aug 25	9.73
Aug 25	10.08
Aug 25	10.58
Aug 25	10.3
Aug 25	10.39
Jul 25	10.14
Jul 25	9.92
Jul 25	9.83
Jul 25	9.86
Jun 25	10.93
Jun 25	10.65
Jun 25	10.54
Jun 25	10.76
May 25	11.08
May 25	11.86
May 25	11.18
May 25	10.83
May 25	11.29
Apr 25	11.25
Apr 25	10.04
Apr 25	9.54
Apr 25	12.68
Mar 25	13.19
Mar 25	13.61
Mar 25	14.21
Mar 25	13.68
Feb 25	14.21
Feb 25	13.19
Feb 25	12.98
Feb 25	12.21
Jan 25	11.97
Jan 25	12.07
Jan 25	11.72
Jan 25	12.6
Dec 24	23.52
Dec 24	23.14
Dec 24	24.81
Dec 24	26.61
Nov 24	25.32
Nov 24	24.68
Nov 24	25.06
Nov 24	26.61
Nov 24	29.11
Oct 24	28.73
Oct 24	28.73
Oct 24	29.43

Price to Book

6443.TW Price to Book by quarter
Period	Price to Book
Sep 26	3.28
Sep 26	3.36
Sep 26	3.61
Aug 26	3.86
Aug 26	3.75
Aug 26	3.94
Aug 26	3.76
Jul 26	3.44
Jul 26	4.14
Jul 26	4.32
Jul 26	4.52
Jul 26	4.98
Jun 26	4.86
Jun 26	5.54
Jun 26	5.88
Jun 26	5.62
May 26	5.73
May 26	5.64
May 26	5.38
May 26	5.62
Apr 26	4.98
Apr 26	5.14
Apr 26	5.49
Apr 26	5
Apr 26	5.46
Mar 26	3.93
Mar 26	4.15
Mar 26	4.42
Mar 26	4.21
Feb 26	3.94
Feb 26	3.24
Feb 26	3.44
Jan 26	3.41
Jan 26	3.42
Jan 26	3.33
Jan 26	2.77
Jan 26	2.43
Dec 25	2.32
Dec 25	1.8
Dec 25	1.54
Dec 25	1.04
Nov 25	1.07
Nov 25	0.98
Nov 25	1.07
Nov 25	1.1
Oct 25	1.12
Oct 25	1.12
Oct 25	1.12
Oct 25	1.16
Oct 25	1.17
Sep 25	1.14
Sep 25	1.21
Sep 25	1.11
Sep 25	1.13
Aug 25	1.19
Aug 25	1.23
Aug 25	1.29
Aug 25	1.26
Aug 25	1.27
Jul 25	1.24
Jul 25	1.21
Jul 25	1.2
Jul 25	1.2
Jun 25	1.15
Jun 25	1.12
Jun 25	1.11
Jun 25	1.13
May 25	1.17
May 25	1.25
May 25	1.18
May 25	1.14
May 25	1.19
Apr 25	1.19
Apr 25	1.06
Apr 25	1.01
Apr 25	1.34
Mar 25	1.15
Mar 25	1.19
Mar 25	1.24
Mar 25	1.19
Feb 25	1.24
Feb 25	1.15
Feb 25	1.13
Feb 25	1.06
Jan 25	1.04
Jan 25	1.05
Jan 25	1.02
Jan 25	1.1
Dec 24	1.25
Dec 24	1.23
Dec 24	1.32
Dec 24	1.42
Nov 24	1.35
Nov 24	1.32
Nov 24	1.34
Nov 24	1.42
Nov 24	1.55
Oct 24	1.53
Oct 24	1.53
Oct 24	1.57

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