If you invested ₩1000 in Tongyang Inc. (001527.KS) 10 years ago, it would be worth ₩351.23 as of October 21, 2026, based on a reinvested dividends scenario. Over the same period, a ₩1000 investment made 5 years ago would be worth ₩300.39, while ₩1000 invested 1 year ago would be worth ₩487.64. This corresponds to total returns of -64.88%, -69.96%, -51.24%, respectively, with annualized returns of -9.93%, -21.37%, -51.24%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| October 21, 2026 | 4,625 | 4,340 | 4,340 | 4,630 | 4,250 | 1,416 |
| October 20, 2026 | 4,990 | 4,685 | 4,685 | 5,140 | 4,605 | 1,623 |
| October 19, 2026 | 5,100 | 5,050 | 5,050 | 5,100 | 4,930 | 84 |
| October 16, 2026 | 4,985 | 5,080 | 5,080 | 5,100 | 4,845 | 262 |
| October 15, 2026 | 4,840 | 4,985 | 4,985 | 5,100 | 4,840 | 513 |
| October 14, 2026 | 5,390 | 4,870 | 4,870 | 5,390 | 4,870 | 1,174 |
| October 13, 2026 | 4,995 | 4,955 | 4,955 | 4,995 | 4,650 | 612 |
| October 12, 2026 | 4,750 | 4,995 | 4,995 | 4,995 | 4,750 | 591 |
| October 08, 2026 | 4,910 | 4,995 | 4,995 | 5,100 | 4,900 | 416 |
| October 07, 2026 | 4,750 | 4,900 | 4,900 | 4,900 | 4,650 | 641 |
| October 06, 2026 | 5,150 | 4,760 | 4,760 | 5,150 | 4,760 | 2,074 |
| October 02, 2026 | 5,000 | 5,100 | 5,100 | 5,100 | 4,950 | 1,615 |
| October 01, 2026 | 5,100 | 5,050 | 5,050 | 5,100 | 4,995 | 932 |
| September 30, 2026 | 5,080 | 5,010 | 5,010 | 5,080 | 5,000 | 469 |
| September 29, 2026 | 5,110 | 5,080 | 5,080 | 5,360 | 5,080 | 1,312 |
| September 28, 2026 | 5,070 | 5,390 | 5,390 | 5,680 | 5,000 | 3,100 |
| September 23, 2026 | 5,110 | 5,030 | 5,030 | 5,140 | 5,010 | 2,612 |
| September 22, 2026 | 5,500 | 5,180 | 5,180 | 5,500 | 5,090 | 3,690 |
| September 21, 2026 | 5,800 | 5,240 | 5,240 | 5,800 | 5,240 | 12,401 |
| September 18, 2026 | 5,060 | 6,570 | 6,570 | 6,570 | 5,060 | 23,710 |
| September 17, 2026 | 5,560 | 5,060 | 5,060 | 5,560 | 5,010 | 2,236 |
| September 16, 2026 | 6,310 | 5,580 | 5,580 | 6,310 | 5,580 | 1,298 |
| September 15, 2026 | 5,740 | 6,420 | 6,420 | 6,420 | 5,610 | 55 |
| September 11, 2026 | 5,570 | 5,750 | 5,750 | 5,860 | 5,570 | 108 |
| September 10, 2026 | 5,910 | 5,880 | 5,880 | 5,960 | 5,600 | 986 |
| September 09, 2026 | 6,100 | 5,890 | 5,890 | 6,100 | 5,890 | 244 |
| September 08, 2026 | 6,100 | 5,910 | 5,910 | 6,100 | 5,900 | 332 |
| September 07, 2026 | 6,090 | 5,890 | 5,890 | 6,260 | 5,890 | 1,098 |
| September 04, 2026 | 6,000 | 6,030 | 6,030 | 6,070 | 6,000 | 260 |
| September 03, 2026 | 6,180 | 5,920 | 5,920 | 6,320 | 5,920 | 446 |
| September 02, 2026 | 6,480 | 6,160 | 6,160 | 6,480 | 6,160 | 553 |
| September 01, 2026 | 6,500 | 6,490 | 6,490 | 6,510 | 6,400 | 2,579 |
| August 31, 2026 | 6,500 | 6,650 | 6,650 | 6,650 | 6,500 | 468 |
| August 28, 2026 | 6,520 | 6,570 | 6,570 | 6,890 | 6,470 | 1,457 |
| August 26, 2026 | 6,650 | 6,760 | 6,760 | 6,790 | 6,650 | 61 |
| August 25, 2026 | 6,480 | 6,590 | 6,590 | 6,590 | 6,430 | 99 |
| August 24, 2026 | 6,550 | 6,480 | 6,480 | 6,610 | 6,450 | 233 |
| August 21, 2026 | 6,430 | 6,540 | 6,540 | 6,570 | 6,430 | 71 |
| August 20, 2026 | 6,510 | 6,500 | 6,500 | 6,800 | 6,500 | 1,580 |
| August 19, 2026 | 6,490 | 6,500 | 6,500 | 6,800 | 6,490 | 706 |
| August 18, 2026 | 6,640 | 6,640 | 6,640 | 6,640 | 6,560 | 652 |
| August 14, 2026 | 6,600 | 6,640 | 6,640 | 6,670 | 6,550 | 468 |
| August 13, 2026 | 6,710 | 6,650 | 6,650 | 6,710 | 6,580 | 716 |
| August 12, 2026 | 6,660 | 6,690 | 6,690 | 6,700 | 6,560 | 387 |
| August 11, 2026 | 6,770 | 6,620 | 6,620 | 6,830 | 6,600 | 1,720 |
| August 10, 2026 | 6,700 | 6,780 | 6,780 | 6,780 | 6,520 | 2,607 |
| August 07, 2026 | 7,000 | 6,700 | 6,700 | 7,000 | 6,530 | 3,746 |
| August 06, 2026 | 6,770 | 6,880 | 6,880 | 6,880 | 6,620 | 3,389 |
| August 05, 2026 | 6,800 | 6,840 | 6,840 | 7,000 | 6,790 | 5,523 |
| August 04, 2026 | 7,050 | 7,000 | 7,000 | 7,050 | 7,000 | 450 |
| August 03, 2026 | 7,020 | 7,000 | 7,000 | 7,080 | 7,000 | 860 |
| July 31, 2026 | 6,910 | 7,090 | 7,090 | 7,160 | 6,910 | 1,476 |
| July 30, 2026 | 6,820 | 7,170 | 7,170 | 7,170 | 6,820 | 3,158 |
| July 29, 2026 | 7,460 | 6,990 | 6,990 | 7,460 | 6,830 | 13,044 |
| July 28, 2026 | 8,000 | 7,680 | 7,680 | 9,250 | 7,650 | 23,038 |
| July 27, 2026 | 7,700 | 7,350 | 7,350 | 7,800 | 7,350 | 1,145 |
| July 23, 2026 | 7,400 | 8,150 | 8,150 | 8,900 | 7,400 | 2,113 |
| July 22, 2026 | 7,840 | 7,770 | 7,770 | 7,840 | 7,230 | 967 |
| July 21, 2026 | 7,800 | 7,800 | 7,800 | 8,170 | 7,150 | 1,389 |
| July 20, 2026 | 9,600 | 8,060 | 8,060 | 9,600 | 8,060 | 7,394 |