Home / 6691.TW : TAI

AI Analysis Fundamentals Valuation Video Analysis Similar

AI Analysis

How does 6691.TW make money? Does 6691.TW have pricing power? What's the Earnings Whisper? Will 6691.TW profit more as the business scales? What is 6691.TW's management track record? Is 6691.TW's current price justified?

Yankey Engineering Co., Ltd.

TWD 618 +$114.36 (+22.71%)

TAI · 16 Sep 2026 05:30 UTC

Previous Close

TWD 608

Day Range

TWD 610TWD 624

Year Range

TWD 388.64TWD 758.18

Market Cap

74.53B

AVG Volume

818.81K

Trailing/Forward PE

19.51/19.37

PEG ratio

1.15

Dividend Yield

3.40%

Next Earnings Date

2026-10-30

Primary Exchange

Taiwan Stock Exchange

Revenue (TWD) · TTM

6691.TW Revenue (TWD) · TTM by quarter
Period	Revenue (TWD) · TTM
26 Q2	30.64B
26 Q1	25.38B
25 Q4	22.35B
25 Q3	20.62B
25 Q2	18.83B
25 Q1	16.38B
24 Q4	15.19B
24 Q3	13.17B
24 Q2	13.6B
24 Q1	14.74B

Net Income (TWD) · TTM

6691.TW Net Income (TWD) · TTM by quarter
Period	Net Income (TWD) · TTM
26 Q2	4.03B
26 Q1	3.26B
25 Q4	2.99B
25 Q3	2.67B
25 Q2	2.49B
25 Q1	2.27B
24 Q4	2.03B
24 Q3	1.74B
24 Q2	1.69B
24 Q1	1.74B

Operating Income (TWD) · TTM

6691.TW Operating Income (TWD) · TTM by quarter
Period	Operating Income (TWD) · TTM
26 Q2	4.98B
26 Q1	4.12B
25 Q4	3.74B
25 Q3	3.43B
25 Q2	3.24B
25 Q1	2.86B
24 Q4	2.59B
24 Q3	2.19B
24 Q2	2.15B
24 Q1	2.2B

EBITDA (TWD) · TTM

6691.TW EBITDA (TWD) · TTM by quarter
Period	EBITDA (TWD) · TTM
26 Q2	5.12B
26 Q1	4.11B
25 Q4	3.76B
25 Q3	3.42B
25 Q2	3.18B
25 Q1	2.92B
24 Q4	2.62B
24 Q3	2.25B
24 Q2	2.18B
24 Q1	2.25B

Cash Flows (TWD) · TTM

6691.TW Cash Flows (TWD) · TTM by quarter
Period	Cash Flows (TWD) · TTM
26 Q2	2.86B
26 Q1	2.84B
25 Q4	1.38B
25 Q3	4.01B
25 Q2	3.62B
25 Q1	3.91B
24 Q4	3.08B
24 Q3	1.57B
24 Q2	1.81B
24 Q1	2.08B

EPS (TWD) · TTM

6691.TW EPS (TWD) · TTM by quarter
Period	EPS (TWD) · TTM
26 Q2	31.68
26 Q1	26.26
25 Q4	24.76
25 Q3	22.99
25 Q2	22.13
25 Q1	20.89
24 Q4	19.33
24 Q3	16.56
24 Q2	17.07
24 Q1	17.83

Expenses (TWD) · TTM

6691.TW Expenses (TWD) · TTM by quarter
Period	Expenses (TWD) · TTM
26 Q2	1.07B
26 Q1	968.21M
25 Q4	906.2M
25 Q3	881.18M
25 Q2	574.86M
25 Q1	551.27M
24 Q4	546.23M
24 Q3	494.8M
24 Q2	487.7M
24 Q1	528.05M

Shares Outstanding (TWD) · TTM

6691.TW Shares Outstanding (TWD) · TTM by quarter
Period	Shares Outstanding (TWD) · TTM
26 Q2	0
26 Q1	0
25 Q4	0
25 Q3	0
25 Q2	0
25 Q1	0
24 Q4	0
24 Q3	0
24 Q2	0
24 Q1	0

Dividends (TWD)

6691.TW Dividends (TWD) by quarter
Period	Dividends (TWD)
Aug 26	21
Jul 25	14.55
Jul 24	12.65
Jul 23	12.68
Jul 22	7.07
Jul 21	3.18
Jul 20	3.44
Jul 19	2.75

PE Ratio

6691.TW PE Ratio by quarter
Period	PE Ratio
Sep 26	22.52
Sep 26	22.56
Sep 26	22.93
Aug 26	22.89
Aug 26	21.97
Aug 26	24.51
Aug 26	24.75
Jul 26	21.89
Jul 26	24.01
Jul 26	23.71
Jul 26	23.84
Jul 26	25.66
Jun 26	29.11
Jun 26	26.43
Jun 26	25.29
Jun 26	23.56
May 26	23.86
May 26	23.05
May 26	23.05
May 26	24
Apr 26	23.16
Apr 26	24.77
Apr 26	24.19
Apr 26	23.12
Apr 26	20.59
Mar 26	24.29
Mar 26	25.06
Mar 26	25.35
Mar 26	26.05
Feb 26	28.02
Feb 26	24.57
Feb 26	24.2
Jan 26	24.33
Jan 26	24.74
Jan 26	24.33
Jan 26	23.92
Jan 26	22.73
Dec 25	28.63
Dec 25	30.56
Dec 25	31.07
Dec 25	25.06
Nov 25	25.49
Nov 25	22.81
Nov 25	22.15
Nov 25	23.29
Oct 25	23.31
Oct 25	22.32
Oct 25	23.19
Oct 25	22.93
Oct 25	22.1
Sep 25	18.3
Sep 25	18.49
Sep 25	19.81
Sep 25	20.72
Aug 25	20.7
Aug 25	19.69
Aug 25	20.07
Aug 25	19.73
Jul 25	17.44
Jul 25	17.73
Jul 25	17.92
Jul 25	17.3
Jul 25	16.19
Jun 25	17.64
Jun 25	17.52
Jun 25	17.31
Jun 25	16.62
May 25	17.9
May 25	17.88
May 25	18.17
May 25	16.43
May 25	16.72
Apr 25	16.07
Apr 25	16.56
Apr 25	16.33
Apr 25	16.5
Mar 25	19.14
Mar 25	19.88
Mar 25	19.07
Mar 25	21.36
Feb 25	21.07
Feb 25	21.26
Feb 25	20.16
Feb 25	21.88
Jan 25	22.69
Jan 25	22.81
Jan 25	22.74
Jan 25	21.26
Dec 24	24.8
Dec 24	23.45
Dec 24	22.63
Dec 24	19.66
Nov 24	18.43
Nov 24	18.49
Nov 24	17.64
Nov 24	17.87
Nov 24	18.22
Oct 24	18.66
Oct 24	18.43
Oct 24	17.93

Free Cash Flow Yield

6691.TW Free Cash Flow Yield by quarter
Period	Free Cash Flow Yield
Sep 26	3.87%
Sep 26	3.87%
Sep 26	3.8%
Aug 26	3.81%
Aug 26	3.97%
Aug 26	3.56%
Aug 26	3.52%
Jul 26	3.99%
Jul 26	3.63%
Jul 26	3.68%
Jul 26	3.66%
Jul 26	3.4%
Jun 26	1.59%
Jun 26	1.75%
Jun 26	1.83%
Jun 26	1.96%
May 26	1.94%
May 26	2.01%
May 26	2.01%
May 26	1.93%
Apr 26	2%
Apr 26	1.87%
Apr 26	1.91%
Apr 26	2%
Apr 26	2.25%
Mar 26	6.18%
Mar 26	5.98%
Mar 26	5.92%
Mar 26	5.76%
Feb 26	5.35%
Feb 26	6.1%
Feb 26	6.2%
Jan 26	6.17%
Jan 26	6.06%
Jan 26	6.17%
Jan 26	6.27%
Jan 26	6.6%
Dec 25	5.08%
Dec 25	4.76%
Dec 25	4.68%
Dec 25	5.81%
Nov 25	5.71%
Nov 25	6.38%
Nov 25	6.57%
Nov 25	6.25%
Oct 25	6.24%
Oct 25	6.52%
Oct 25	6.27%
Oct 25	6.34%
Oct 25	6.58%
Sep 25	9.42%
Sep 25	9.32%
Sep 25	8.7%
Sep 25	8.32%
Aug 25	8.33%
Aug 25	8.76%
Aug 25	8.59%
Aug 25	8.74%
Jul 25	9.89%
Jul 25	9.72%
Jul 25	9.62%
Jul 25	9.96%
Jul 25	10.65%
Jun 25	8.61%
Jun 25	8.67%
Jun 25	8.78%
Jun 25	9.14%
May 25	8.49%
May 25	8.5%
May 25	8.36%
May 25	9.25%
May 25	9.09%
Apr 25	9.46%
Apr 25	9.18%
Apr 25	9.3%
Apr 25	9.21%
Mar 25	4.71%
Mar 25	4.54%
Mar 25	4.73%
Mar 25	4.22%
Feb 25	4.28%
Feb 25	4.24%
Feb 25	4.47%
Feb 25	4.12%
Jan 25	3.98%
Jan 25	3.96%
Jan 25	3.97%
Jan 25	4.24%
Dec 24	4.31%
Dec 24	4.55%
Dec 24	4.72%
Dec 24	5.43%
Nov 24	5.79%
Nov 24	5.78%
Nov 24	6.05%
Nov 24	5.98%
Nov 24	5.86%
Oct 24	5.72%
Oct 24	5.79%
Oct 24	5.96%

Price to Sales

6691.TW Price to Sales by quarter
Period	Price to Sales
Sep 26	2.89
Sep 26	2.89
Sep 26	2.94
Aug 26	2.94
Aug 26	2.82
Aug 26	3.14
Aug 26	3.17
Jul 26	2.81
Jul 26	3.08
Jul 26	3.04
Jul 26	3.06
Jul 26	3.29
Jun 26	3.89
Jun 26	3.53
Jun 26	3.38
Jun 26	3.15
May 26	3.19
May 26	3.08
May 26	3.08
May 26	3.21
Apr 26	3.09
Apr 26	3.31
Apr 26	3.23
Apr 26	3.09
Apr 26	2.75
Mar 26	3.15
Mar 26	3.25
Mar 26	3.29
Mar 26	3.38
Feb 26	3.63
Feb 26	3.18
Feb 26	3.14
Jan 26	3.15
Jan 26	3.21
Jan 26	3.15
Jan 26	3.1
Jan 26	2.95
Dec 25	3.78
Dec 25	4.03
Dec 25	4.1
Dec 25	3.31
Nov 25	3.36
Nov 25	3.01
Nov 25	2.92
Nov 25	3.07
Oct 25	3.08
Oct 25	2.95
Oct 25	3.06
Oct 25	3.03
Oct 25	2.92
Sep 25	2.53
Sep 25	2.56
Sep 25	2.74
Sep 25	2.87
Aug 25	2.86
Aug 25	2.72
Aug 25	2.78
Aug 25	2.73
Jul 25	2.41
Jul 25	2.45
Jul 25	2.48
Jul 25	2.39
Jul 25	2.24
Jun 25	2.36
Jun 25	2.34
Jun 25	2.31
Jun 25	2.22
May 25	2.39
May 25	2.39
May 25	2.43
May 25	2.2
May 25	2.23
Apr 25	2.15
Apr 25	2.21
Apr 25	2.18
Apr 25	2.2
Mar 25	2.53
Mar 25	2.63
Mar 25	2.52
Mar 25	2.82
Feb 25	2.78
Feb 25	2.81
Feb 25	2.66
Feb 25	2.89
Jan 25	3
Jan 25	3.01
Jan 25	3
Jan 25	2.81
Dec 24	3.09
Dec 24	2.92
Dec 24	2.82
Dec 24	2.45
Nov 24	2.3
Nov 24	2.3
Nov 24	2.2
Nov 24	2.23
Nov 24	2.27
Oct 24	2.33
Oct 24	2.3
Oct 24	2.23

EV/EBITDA

6691.TW EV/EBITDA by quarter
Period	EV/EBITDA
Sep 26	15.93
Sep 26	15.96
Sep 26	16.25
Aug 26	16.22
Aug 26	15.49
Aug 26	17.51
Aug 26	17.69
Jul 26	15.43
Jul 26	17.11
Jul 26	16.87
Jul 26	16.98
Jul 26	18.41
Jun 26	21.7
Jun 26	19.58
Jun 26	18.68
Jun 26	17.31
May 26	17.54
May 26	16.9
May 26	16.9
May 26	17.66
Apr 26	16.99
Apr 26	18.27
Apr 26	17.8
Apr 26	16.96
Apr 26	14.95
Mar 26	17.39
Mar 26	18
Mar 26	18.23
Mar 26	18.77
Feb 26	20.31
Feb 26	17.62
Feb 26	17.33
Jan 26	17.43
Jan 26	17.75
Jan 26	17.43
Jan 26	17.11
Jan 26	16.18
Dec 25	20.17
Dec 25	21.67
Dec 25	22.07
Dec 25	17.38
Nov 25	17.72
Nov 25	15.62
Nov 25	15.11
Nov 25	16
Oct 25	16.02
Oct 25	15.25
Oct 25	15.92
Oct 25	15.72
Oct 25	15.07
Sep 25	11.91
Sep 25	12.06
Sep 25	13.09
Sep 25	13.79
Aug 25	13.77
Aug 25	12.99
Aug 25	13.28
Aug 25	13.02
Jul 25	11.24
Jul 25	11.47
Jul 25	11.62
Jul 25	11.14
Jul 25	10.27
Jun 25	11.52
Jun 25	11.42
Jun 25	11.26
Jun 25	10.72
May 25	11.72
May 25	11.71
May 25	11.93
May 25	10.58
May 25	10.8
Apr 25	10.3
Apr 25	10.68
Apr 25	10.5
Apr 25	10.63
Mar 25	13.46
Mar 25	14.03
Mar 25	13.4
Mar 25	15.17
Feb 25	14.95
Feb 25	15.1
Feb 25	14.25
Feb 25	15.58
Jan 25	16.21
Jan 25	16.3
Jan 25	16.24
Jan 25	15.1
Dec 24	17.05
Dec 24	16
Dec 24	15.36
Dec 24	13.06
Nov 24	12.1
Nov 24	12.15
Nov 24	11.49
Nov 24	11.67
Nov 24	11.94
Oct 24	12.28
Oct 24	12.1
Oct 24	11.71

Price/Operating Cashflow

6691.TW Price/Operating Cashflow by quarter
Period	Price/Operating Cashflow
Sep 26	22.79
Sep 26	22.83
Sep 26	23.21
Aug 26	23.17
Aug 26	22.23
Aug 26	24.81
Aug 26	25.05
Jul 26	22.15
Jul 26	24.3
Jul 26	23.99
Jul 26	24.13
Jul 26	25.97
Jun 26	49.69
Jun 26	45.12
Jun 26	43.17
Jun 26	40.23
May 26	40.73
May 26	39.35
May 26	39.35
May 26	40.98
Apr 26	39.54
Apr 26	42.3
Apr 26	41.29
Apr 26	39.48
Apr 26	35.15
Mar 26	14.66
Mar 26	15.13
Mar 26	15.31
Mar 26	15.73
Feb 26	16.92
Feb 26	14.84
Feb 26	14.61
Jan 26	14.69
Jan 26	14.94
Jan 26	14.69
Jan 26	14.44
Jan 26	13.72
Dec 25	18.93
Dec 25	20.21
Dec 25	20.54
Dec 25	16.57
Nov 25	16.86
Nov 25	15.08
Nov 25	14.64
Nov 25	15.4
Oct 25	15.41
Oct 25	14.76
Oct 25	15.33
Oct 25	15.16
Oct 25	14.61
Sep 25	10.26
Sep 25	10.36
Sep 25	11.11
Sep 25	11.61
Aug 25	11.6
Aug 25	11.04
Aug 25	11.25
Aug 25	11.06
Jul 25	9.77
Jul 25	9.94
Jul 25	10.05
Jul 25	9.7
Jul 25	9.07
Jun 25	11.15
Jun 25	11.08
Jun 25	10.95
Jun 25	10.51
May 25	11.32
May 25	11.31
May 25	11.49
May 25	10.39
May 25	10.57
Apr 25	10.16
Apr 25	10.47
Apr 25	10.33
Apr 25	10.43
Mar 25	20.43
Mar 25	21.21
Mar 25	20.35
Mar 25	22.79
Feb 25	22.48
Feb 25	22.69
Feb 25	21.52
Feb 25	23.35
Jan 25	24.21
Jan 25	24.34
Jan 25	24.26
Jan 25	22.69
Dec 24	22.93
Dec 24	21.68
Dec 24	20.92
Dec 24	18.18
Nov 24	17.04
Nov 24	17.1
Nov 24	16.31
Nov 24	16.53
Nov 24	16.85
Oct 24	17.26
Oct 24	17.04
Oct 24	16.58

Price to Book

6691.TW Price to Book by quarter
Period	Price to Book
Sep 26	12.31
Sep 26	12.33
Sep 26	12.53
Aug 26	12.51
Aug 26	12.01
Aug 26	13.4
Aug 26	13.53
Jul 26	11.96
Jul 26	13.12
Jul 26	12.96
Jul 26	13.03
Jul 26	14.02
Jun 26	11.44
Jun 26	10.39
Jun 26	9.94
Jun 26	9.26
May 26	9.38
May 26	9.06
May 26	9.06
May 26	9.44
Apr 26	9.11
Apr 26	9.74
Apr 26	9.51
Apr 26	9.09
Apr 26	8.1
Mar 26	9.89
Mar 26	10.21
Mar 26	10.33
Mar 26	10.61
Feb 26	11.41
Feb 26	10.01
Feb 26	9.86
Jan 26	9.91
Jan 26	10.07
Jan 26	9.91
Jan 26	9.74
Jan 26	9.26
Dec 25	12.32
Dec 25	13.14
Dec 25	13.36
Dec 25	10.78
Nov 25	10.96
Nov 25	9.81
Nov 25	9.53
Nov 25	10.02
Oct 25	10.03
Oct 25	9.6
Oct 25	9.97
Oct 25	9.86
Oct 25	9.5
Sep 25	7.93
Sep 25	8.01
Sep 25	8.59
Sep 25	8.98
Aug 25	8.97
Aug 25	8.53
Aug 25	8.7
Aug 25	8.55
Jul 25	7.56
Jul 25	7.68
Jul 25	7.77
Jul 25	7.5
Jul 25	7.01
Jun 25	5.69
Jun 25	5.65
Jun 25	5.59
Jun 25	5.36
May 25	5.78
May 25	5.77
May 25	5.86
May 25	5.3
May 25	5.39
Apr 25	5.18
Apr 25	5.34
Apr 25	5.27
Apr 25	5.32
Mar 25	5.93
Mar 25	6.15
Mar 25	5.9
Mar 25	6.61
Feb 25	6.52
Feb 25	6.58
Feb 25	6.24
Feb 25	6.77
Jan 25	7.02
Jan 25	7.06
Jan 25	7.04
Jan 25	6.58
Dec 24	8.3
Dec 24	7.84
Dec 24	7.57
Dec 24	6.58
Nov 24	6.17
Nov 24	6.18
Nov 24	5.9
Nov 24	5.98
Nov 24	6.1
Oct 24	6.24
Oct 24	6.17
Oct 24	6

No video analysis for this stock yet. Request one from our team.

AI Analysis

Yankey Engineering Co., Ltd.

Video analysis: 6691.TW

Similar companies