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How does 170900.KS make money? Does 170900.KS have pricing power? What's the Earnings Whisper? Will 170900.KS profit more as the business scales? What is 170900.KS's management track record? Is 170900.KS's current price justified?

Dong-A ST Co., Ltd.

₩35400 -$16200.00 (-31.40%)

KSC · 15 Sep 2026 05:20 UTC

Previous Close

₩36500

Day Range

₩35200₩36100

Year Range

₩31600₩56380.95

Market Cap

341.39B

AVG Volume

15.35K

Trailing/Forward PE

-57.9/9.12

PEG ratio

-5.14

Dividend Yield

1.98%

Next Earnings Date

Primary Exchange

Korea Exchange

Revenue (KRW) · TTM

170900.KS Revenue (KRW) · TTM by quarter
Period	Revenue (KRW) · TTM
26 Q2	860.94B
26 Q1	830.28B
25 Q4	808.79B
25 Q3	770.63B
25 Q2	746.2B
25 Q1	724.59B
24 Q4	697.87B
24 Q3	700.31B
24 Q2	675.41B
24 Q1	672.23B

Net Income (KRW) · TTM

170900.KS Net Income (KRW) · TTM by quarter
Period	Net Income (KRW) · TTM
26 Q2	2.92B
26 Q1	-17.53B
25 Q4	-34.36B
25 Q3	-514.76M
25 Q2	-18.83B
25 Q1	-781.19M
24 Q4	-1.22B
24 Q3	-24.22B
24 Q2	-6.68B
24 Q1	-5.18B

Operating Income (KRW) · TTM

170900.KS Operating Income (KRW) · TTM by quarter
Period	Operating Income (KRW) · TTM
26 Q2	25.33B
26 Q1	13.19B
25 Q4	629.38M
25 Q3	-3.91B
25 Q2	-13.55B
25 Q1	-13.71B
24 Q4	-25B
24 Q3	-21.91B
24 Q2	-18.4B
24 Q1	-8.97B

EBITDA (KRW) · TTM

170900.KS EBITDA (KRW) · TTM by quarter
Period	EBITDA (KRW) · TTM
26 Q2	-36.34B
26 Q1	-47.51B
25 Q4	33.45B
25 Q3	146.29B
25 Q2	136B
25 Q1	134.75B
24 Q4	28.99B
24 Q3	14.58B
24 Q2	17.53B
24 Q1	26.6B

Cash Flows (KRW) · TTM

170900.KS Cash Flows (KRW) · TTM by quarter
Period	Cash Flows (KRW) · TTM
26 Q2	-30.19B
26 Q1	-10.63B
25 Q4	-2.34B
25 Q3	-18.81B
25 Q2	-2.57B
25 Q1	-19.55B
24 Q4	-42.36B
24 Q3	-28.16B
24 Q2	-61.73B
24 Q1	-51.82B

EPS (KRW) · TTM

170900.KS EPS (KRW) · TTM by quarter
Period	EPS (KRW) · TTM
26 Q2	-654.41
26 Q1	-2417.41
25 Q4	-4163.98
25 Q3	399.79
25 Q2	-1660.21
25 Q1	-142.23
24 Q4	-246.7
24 Q3	-2805.79
24 Q2	-1216.57
24 Q1	-1043.62

Expenses (KRW) · TTM

170900.KS Expenses (KRW) · TTM by quarter
Period	Expenses (KRW) · TTM
26 Q2	276.87B
26 Q1	239.78B
25 Q4	313.83B
25 Q3	317.4B
25 Q2	386.01B
25 Q1	413.02B
24 Q4	384.9B
24 Q3	386.42B
24 Q2	320.51B
24 Q1	289.04B

Shares Outstanding (KRW) · TTM

170900.KS Shares Outstanding (KRW) · TTM by quarter
Period	Shares Outstanding (KRW) · TTM
26 Q2	191.49M
26 Q1	85.47M
25 Q4	85.47M
25 Q3	20.97M
25 Q2	-478.68M
25 Q1	-489.92M
24 Q4	-873.4M
24 Q3	-79.65M
24 Q2	2.36B
24 Q1	4.9B

Dividends (KRW)

170900.KS Dividends (KRW) by quarter
Period	Dividends (KRW)
Mar 26	700
Mar 25	666.67
Dec 23	653.59
Dec 22	640.78
Dec 21	897.45
Dec 20	897.45
Dec 19	897.45
Dec 18	897.45
Dec 17	448.72
Dec 16	448.72

PE Ratio

170900.KS PE Ratio by quarter
Period	PE Ratio
Jun 24	41.18
Jun 24	41.58
Jun 24	40.07
Jun 24	42.1
May 24	39.55
May 24	39.81
May 24	43.02
May 24	42.69
May 24	42.43
Apr 24	44.19
Apr 24	45.24
Apr 24	44.85
Apr 24	45.11
Mar 24	120.46
Mar 24	120.3
Mar 24	120.95
Mar 24	135.42
Feb 24	121.76
Feb 24	113.63
Feb 24	110.54
Feb 24	106.8
Feb 24	112.49
Jan 24	113.79
Jan 24	114.77
Jan 24	107.29
Jan 24	108.27
Dec 23	28.88
Dec 23	27.58
Dec 23	25
Dec 23	26.06
Dec 23	24.05
Nov 23	23.89
Nov 23	23.81
Nov 23	23.56
Nov 23	23.56
Oct 23	22.01
Oct 23	22.87
Oct 23	25.78
Oct 23	24.75
Sep 23	23.26
Sep 23	23.07
Sep 23	25.98
Sep 23	27.06
Sep 23	22.33
Aug 23	23.88
Aug 23	24.19
Aug 23	27.65
Aug 23	21.48
Jul 23	20.36
Jul 23	21.48
Jul 23	21.71
Jul 23	21.4
Jun 23	22.22
Jun 23	29.68
Jun 23	29.79
Jun 23	30.59
Jun 23	31.9
May 23	32.07
May 23	31.95
May 23	31.33
May 23	32.18
Apr 23	31.1
Apr 23	31.56
Apr 23	33.09
Apr 23	32.52
Mar 23	31.16
Mar 23	18.91
Mar 23	19.29
Mar 23	21.18
Mar 23	20.83
Feb 23	21.59
Feb 23	21.94
Feb 23	22.43
Feb 23	22.43
Jan 23	22.47
Jan 23	21.42
Jan 23	21.35
Jan 23	20.97
Dec 22	21.21
Dec 22	42.27
Dec 22	41.21
Dec 22	41.74
Dec 22	40.41
Nov 22	40.74
Nov 22	41.81
Nov 22	40.28
Nov 22	38.48
Oct 22	35.49
Oct 22	33.17
Oct 22	31.94
Oct 22	33.76
Sep 22	33.1
Sep 22	25.92
Sep 22	28.05
Sep 22	27.44
Sep 22	28.2
Aug 22	29.02
Aug 22	29.42
Aug 22	30.29
Aug 22	30.49

Free Cash Flow Yield

170900.KS Free Cash Flow Yield by quarter
Period	Free Cash Flow Yield
Sep 26	-3.02%
Sep 26	-3.04%
Sep 26	-2.98%
Aug 26	-2.88%
Aug 26	-2.98%
Aug 26	-2.86%
Aug 26	-2.88%
Jul 26	-3.2%
Jul 26	-3.04%
Jul 26	-3.07%
Jul 26	-3.03%
Jul 26	-3.13%
Jun 26	-0.77%
Jun 26	-0.72%
Jun 26	-0.66%
Jun 26	-0.64%
May 26	-0.61%
May 26	-0.58%
May 26	-0.58%
May 26	-0.57%
Apr 26	-0.55%
Apr 26	-0.53%
Apr 26	-0.53%
Apr 26	-0.54%
Apr 26	-0.56%
Mar 26	-4.49%
Mar 26	-4.68%
Mar 26	-4.67%
Mar 26	-4.17%
Feb 26	-3.93%
Feb 26	-3.94%
Feb 26	-3.9%
Feb 26	-3.68%
Jan 26	-3.75%
Jan 26	-3.96%
Jan 26	-4.04%
Jan 26	-3.92%
Jan 26	-3.99%
Dec 25	-0.4%
Dec 25	-0.39%
Dec 25	-0.37%
Dec 25	-0.44%
Nov 25	-0.46%
Nov 25	-0.47%
Nov 25	-0.48%
Nov 25	-0.49%
Oct 25	-0.51%
Oct 25	-0.54%
Oct 25	-0.55%
Oct 25	-0.55%
Oct 25	-0.54%
Sep 25	-5.31%
Sep 25	-5.17%
Sep 25	-5.28%
Sep 25	-5.54%
Aug 25	-5.57%
Aug 25	-5.48%
Aug 25	-5.36%
Aug 25	-5.39%
Aug 25	-5.44%
Jul 25	-5.09%
Jul 25	-4.86%
Jul 25	-4.91%
Jul 25	-5.02%
Jun 25	-11.27%
Jun 25	-11.16%
Jun 25	-11.39%
Jun 25	-11.13%
May 25	-11.03%
May 25	-11.39%
May 25	-11.34%
May 25	-11.39%
May 25	-11.34%
Apr 25	-11.76%
Apr 25	-11.89%
Apr 25	-12.23%
Apr 25	-12%
Mar 25	-8.41%
Mar 25	-8.11%
Mar 25	-8.23%
Mar 25	-8.22%
Feb 25	-8.19%
Feb 25	-7.54%
Feb 25	-7.79%
Feb 25	-7.57%
Jan 25	-7.65%
Jan 25	-7.74%
Jan 25	-7.53%
Jan 25	-6.52%
Jan 25	-6.43%
Dec 24	-14.67%
Dec 24	-14.04%
Dec 24	-14.6%
Dec 24	-14.3%
Nov 24	-13.85%
Nov 24	-13.67%
Nov 24	-12.35%
Nov 24	-11.2%
Nov 24	-11.19%
Oct 24	-11.46%

Price to Sales

170900.KS Price to Sales by quarter
Period	Price to Sales
Sep 26	0.42
Sep 26	0.42
Sep 26	0.43
Aug 26	0.44
Aug 26	0.43
Aug 26	0.45
Aug 26	0.44
Jul 26	0.4
Jul 26	0.42
Jul 26	0.42
Jul 26	0.42
Jul 26	0.41
Jun 26	0.38
Jun 26	0.4
Jun 26	0.44
Jun 26	0.45
May 26	0.47
May 26	0.49
May 26	0.49
May 26	0.51
Apr 26	0.52
Apr 26	0.54
Apr 26	0.55
Apr 26	0.53
Apr 26	0.51
Mar 26	0.54
Mar 26	0.52
Mar 26	0.52
Mar 26	0.59
Feb 26	0.62
Feb 26	0.62
Feb 26	0.63
Feb 26	0.66
Jan 26	0.65
Jan 26	0.62
Jan 26	0.6
Jan 26	0.62
Jan 26	0.61
Dec 25	0.86
Dec 25	0.89
Dec 25	0.92
Dec 25	0.78
Nov 25	0.75
Nov 25	0.73
Nov 25	0.72
Nov 25	0.71
Oct 25	0.68
Oct 25	0.63
Oct 25	0.62
Oct 25	0.62
Oct 25	0.63
Sep 25	0.51
Sep 25	0.52
Sep 25	0.51
Sep 25	0.49
Aug 25	0.48
Aug 25	0.49
Aug 25	0.5
Aug 25	0.5
Aug 25	0.5
Jul 25	0.53
Jul 25	0.55
Jul 25	0.55
Jul 25	0.54
Jun 25	0.54
Jun 25	0.54
Jun 25	0.53
Jun 25	0.55
May 25	0.55
May 25	0.53
May 25	0.54
May 25	0.53
May 25	0.54
Apr 25	0.52
Apr 25	0.51
Apr 25	0.5
Apr 25	0.51
Mar 25	0.48
Mar 25	0.5
Mar 25	0.49
Mar 25	0.49
Feb 25	0.49
Feb 25	0.53
Feb 25	0.52
Feb 25	0.53
Jan 25	0.53
Jan 25	0.52
Jan 25	0.53
Jan 25	0.62
Jan 25	0.63
Dec 24	0.62
Dec 24	0.65
Dec 24	0.63
Dec 24	0.64
Nov 24	0.66
Nov 24	0.67
Nov 24	0.74
Nov 24	0.82
Nov 24	0.82
Oct 24	0.8

EV/EBITDA

170900.KS EV/EBITDA by quarter
Period	EV/EBITDA
Jun 26	16.46
Jun 26	17.08
Jun 26	17.87
Jun 26	18.27
May 26	18.74
May 26	19.28
May 26	19.29
May 26	19.66
Apr 26	19.96
Apr 26	20.5
Apr 26	20.62
Apr 26	20.26
Apr 26	19.72
Mar 26	4.48
Mar 26	4.36
Mar 26	4.37
Mar 26	4.7
Feb 26	4.88
Feb 26	4.88
Feb 26	4.91
Feb 26	5.11
Jan 26	5.04
Jan 26	4.87
Jan 26	4.8
Jan 26	4.9
Jan 26	4.84
Dec 25	6.47
Dec 25	6.64
Dec 25	6.8
Dec 25	6
Nov 25	5.86
Nov 25	5.77
Nov 25	5.71
Nov 25	5.62
Oct 25	5.46
Oct 25	5.21
Oct 25	5.15
Oct 25	5.16
Oct 25	5.21
Sep 25	4.35
Sep 25	4.43
Sep 25	4.37
Sep 25	4.24
Aug 25	4.22
Aug 25	4.27
Aug 25	4.32
Aug 25	4.31
Aug 25	4.29
Jul 25	4.47
Jul 25	4.6
Jul 25	4.57
Jul 25	4.51
Jun 25	19.68
Jun 25	19.81
Jun 25	19.55
Jun 25	19.85
May 25	19.96
May 25	19.55
May 25	19.6
May 25	19.55
May 25	19.6
Apr 25	19.14
Apr 25	19
Apr 25	18.66
Apr 25	18.89
Mar 25	34.13
Mar 25	34.98
Mar 25	34.62
Mar 25	34.66
Feb 25	34.74
Feb 25	36.77
Feb 25	35.94
Feb 25	36.67
Jan 25	36.42
Jan 25	36.12
Jan 25	36.82
Jan 25	40.79
Jan 25	41.19
Dec 24	34.39
Dec 24	35.48
Dec 24	34.52
Dec 24	35.02
Nov 24	35.81
Nov 24	36.15
Nov 24	38.9
Nov 24	41.82
Nov 24	41.87
Oct 24	41.11
Oct 24	43.41
Oct 24	42.28
Oct 24	40.24
Sep 24	26.74
Sep 24	27.54
Sep 24	27.13
Sep 24	26.69
Aug 24	28.04
Aug 24	27.95
Aug 24	26.66
Aug 24	26.25
Aug 24	26.36

Price/Operating Cashflow

170900.KS Price/Operating Cashflow by quarter
Period	Price/Operating Cashflow
Sep 26	26.23
Sep 26	26.05
Sep 26	26.55
Aug 26	27.49
Aug 26	26.62
Aug 26	27.67
Aug 26	27.49
Jul 26	24.76
Jul 26	26.08
Jul 26	25.83
Jul 26	26.12
Jul 26	25.33
Jun 26	14.08
Jun 26	15.05
Jun 26	16.26
Jun 26	16.87
May 26	17.6
May 26	18.43
May 26	18.45
May 26	19.03
Apr 26	19.49
Apr 26	20.32
Apr 26	20.5
Apr 26	19.95
Apr 26	19.11
Mar 26	50.57
Mar 26	48.47
Mar 26	48.58
Mar 26	54.42
Feb 26	57.68
Feb 26	57.57
Feb 26	58.12
Feb 26	61.65
Jan 26	60.44
Jan 26	57.35
Jan 26	56.13
Jan 26	57.9
Jan 26	56.91
Dec 25	23.02
Dec 25	23.83
Dec 25	24.6
Dec 25	20.73
Nov 25	20.07
Nov 25	19.62
Nov 25	19.33
Nov 25	18.88
Oct 25	18.11
Oct 25	16.88
Oct 25	16.61
Oct 25	16.62
Oct 25	16.9
Sep 25	63.85
Sep 25	65.63
Sep 25	64.26
Sep 25	61.24
Aug 25	60.83
Aug 25	61.86
Aug 25	63.23
Aug 25	62.89
Aug 25	62.34
Jul 25	66.59
Jul 25	69.75
Jul 25	69.07
Jul 25	67.49
Mar 25	784.97
Mar 25	813.85
Mar 25	801.6
Mar 25	803.04
Feb 25	805.61
Feb 25	875.1
Feb 25	846.79
Feb 25	871.67
Jan 25	863.09
Jan 25	852.8
Jan 25	876.82
Jan 25	1012.38
Jan 25	1026.1
Jun 24	187.83
Jun 24	189.62
Jun 24	182.75
Jun 24	192.01
May 24	180.36
May 24	181.56
May 24	196.19
May 24	194.69
May 24	193.5
Apr 24	201.56
Apr 24	206.34
Apr 24	204.55
Apr 24	205.74
Dec 23	31.96
Dec 23	30.52
Dec 23	27.66
Dec 23	28.84
Dec 23	26.62
Nov 23	26.44
Nov 23	26.35
Nov 23	26.07
Nov 23	26.07
Oct 23	24.35

Price to Book

170900.KS Price to Book by quarter
Period	Price to Book
Sep 26	0.52
Sep 26	0.51
Sep 26	0.52
Aug 26	0.54
Aug 26	0.52
Aug 26	0.54
Aug 26	0.54
Jul 26	0.49
Jul 26	0.51
Jul 26	0.51
Jul 26	0.51
Jul 26	0.5
Jun 26	0.45
Jun 26	0.49
Jun 26	0.52
Jun 26	0.54
May 26	0.57
May 26	0.59
May 26	0.6
May 26	0.61
Apr 26	0.63
Apr 26	0.66
Apr 26	0.66
Apr 26	0.64
Apr 26	0.62
Mar 26	0.65
Mar 26	0.62
Mar 26	0.62
Mar 26	0.7
Feb 26	0.74
Feb 26	0.74
Feb 26	0.74
Feb 26	0.79
Jan 26	0.77
Jan 26	0.73
Jan 26	0.72
Jan 26	0.74
Jan 26	0.73
Dec 25	0.96
Dec 25	1
Dec 25	1.03
Dec 25	0.87
Nov 25	0.84
Nov 25	0.82
Nov 25	0.81
Nov 25	0.79
Oct 25	0.76
Oct 25	0.71
Oct 25	0.69
Oct 25	0.7
Oct 25	0.71
Sep 25	0.53
Sep 25	0.55
Sep 25	0.54
Sep 25	0.51
Aug 25	0.51
Aug 25	0.52
Aug 25	0.53
Aug 25	0.52
Aug 25	0.52
Jul 25	0.56
Jul 25	0.58
Jul 25	0.58
Jul 25	0.56
Jun 25	0.53
Jun 25	0.54
Jun 25	0.52
Jun 25	0.54
May 25	0.54
May 25	0.52
May 25	0.53
May 25	0.52
May 25	0.53
Apr 25	0.51
Apr 25	0.5
Apr 25	0.49
Apr 25	0.5
Mar 25	0.49
Mar 25	0.51
Mar 25	0.5
Mar 25	0.5
Feb 25	0.51
Feb 25	0.55
Feb 25	0.53
Feb 25	0.55
Jan 25	0.54
Jan 25	0.54
Jan 25	0.55
Jan 25	0.64
Jan 25	0.64
Dec 24	0.62
Dec 24	0.65
Dec 24	0.63
Dec 24	0.64
Nov 24	0.66
Nov 24	0.67
Nov 24	0.74
Nov 24	0.82
Nov 24	0.82
Oct 24	0.8

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Dong-A ST Co., Ltd.

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