If you invested ₩1000 in Tongyang Inc. (001527.KS) 10 years ago, it would be worth ₩502.34 as of June 22, 2026, based on a reinvested dividends scenario. Over the same period, a ₩1000 investment made 5 years ago would be worth ₩291.48, while ₩1000 invested 1 year ago would be worth ₩820.63. This corresponds to total returns of -49.77%, -70.85%, -17.94%, respectively, with annualized returns of -6.65%, -21.84%, -17.94%.
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 |
|---|---|---|---|---|---|---|
| June 19, 2026 | 6,910 | 7,090 | 7,090 | 7,090 | 6,750 | 514 |
| June 18, 2026 | 7,200 | 6,910 | 6,910 | 7,200 | 6,900 | 2,035 |
| June 17, 2026 | 7,150 | 7,200 | 7,200 | 7,200 | 6,900 | 4,375 |
| June 16, 2026 | 7,090 | 7,360 | 7,360 | 7,360 | 6,950 | 1,446 |
| June 15, 2026 | 7,340 | 7,000 | 7,000 | 7,480 | 6,980 | 2,119 |
| June 12, 2026 | 7,100 | 7,250 | 7,250 | 7,390 | 7,100 | 718 |
| June 11, 2026 | 7,010 | 7,100 | 7,100 | 7,100 | 7,010 | 808 |
| June 10, 2026 | 7,300 | 7,010 | 7,010 | 7,300 | 7,010 | 2,891 |
| June 09, 2026 | 7,320 | 7,180 | 7,180 | 7,320 | 7,180 | 211 |
| June 08, 2026 | 7,260 | 7,180 | 7,180 | 7,260 | 7,180 | 158 |
| June 05, 2026 | 7,550 | 7,180 | 7,180 | 7,550 | 7,110 | 2,576 |
| June 04, 2026 | 7,490 | 7,480 | 7,480 | 7,490 | 7,200 | 326 |
| June 02, 2026 | 7,500 | 7,280 | 7,280 | 7,500 | 6,900 | 3,865 |
| June 01, 2026 | 7,500 | 7,390 | 7,390 | 7,500 | 7,180 | 533 |
| May 29, 2026 | 7,480 | 7,400 | 7,400 | 7,480 | 7,060 | 1,526 |
| May 28, 2026 | 7,750 | 7,690 | 7,690 | 7,750 | 7,530 | 253 |
| May 27, 2026 | 7,650 | 7,620 | 7,620 | 7,740 | 7,580 | 673 |
| May 26, 2026 | 7,760 | 7,760 | 7,760 | 8,000 | 7,680 | 380 |
| May 22, 2026 | 7,770 | 7,760 | 7,760 | 7,770 | 7,760 | 7 |
| May 21, 2026 | 7,620 | 7,710 | 7,710 | 7,770 | 7,600 | 982 |
| May 20, 2026 | 7,500 | 7,620 | 7,620 | 7,630 | 7,500 | 1,056 |
| May 19, 2026 | 7,590 | 7,630 | 7,630 | 7,630 | 7,460 | 936 |
| May 18, 2026 | 7,960 | 7,600 | 7,600 | 7,960 | 7,510 | 1,107 |
| May 15, 2026 | 8,010 | 7,800 | 7,800 | 8,010 | 7,660 | 1,293 |
| May 14, 2026 | 8,050 | 7,850 | 7,850 | 8,060 | 7,850 | 1,867 |
| May 13, 2026 | 7,290 | 7,770 | 7,770 | 7,780 | 7,290 | 5,528 |
| May 12, 2026 | 7,330 | 7,300 | 7,300 | 7,330 | 7,200 | 3,427 |
| May 11, 2026 | 7,500 | 7,330 | 7,330 | 7,500 | 7,300 | 1,040 |
| May 08, 2026 | 7,430 | 7,420 | 7,420 | 7,460 | 7,420 | 428 |
| May 07, 2026 | 7,300 | 7,360 | 7,360 | 7,380 | 7,250 | 2,891 |
| May 06, 2026 | 7,400 | 7,350 | 7,350 | 7,470 | 7,280 | 1,658 |
| May 04, 2026 | 7,350 | 7,490 | 7,490 | 7,500 | 7,330 | 1,766 |
| April 30, 2026 | 7,540 | 7,490 | 7,490 | 7,540 | 7,490 | 179 |
| April 29, 2026 | 7,580 | 7,490 | 7,490 | 7,580 | 7,250 | 1,704 |
| April 28, 2026 | 7,330 | 7,460 | 7,460 | 7,460 | 7,250 | 2,534 |
| April 27, 2026 | 7,220 | 7,320 | 7,320 | 7,320 | 7,200 | 2,473 |
| April 24, 2026 | 7,200 | 7,330 | 7,330 | 7,390 | 7,100 | 1,264 |
| April 23, 2026 | 7,380 | 7,160 | 7,160 | 7,400 | 7,120 | 3,096 |
| April 22, 2026 | 7,370 | 7,300 | 7,300 | 7,370 | 7,120 | 1,346 |
| April 21, 2026 | 7,310 | 7,360 | 7,360 | 7,390 | 7,310 | 881 |
| April 20, 2026 | 7,090 | 7,280 | 7,280 | 7,280 | 7,090 | 1,310 |
| April 17, 2026 | 6,960 | 7,060 | 7,060 | 7,060 | 6,880 | 984 |
| April 16, 2026 | 6,930 | 6,960 | 6,960 | 6,990 | 6,830 | 3,554 |
| April 15, 2026 | 6,940 | 6,800 | 6,800 | 6,940 | 6,720 | 5,947 |
| April 14, 2026 | 6,790 | 6,940 | 6,940 | 6,970 | 6,760 | 10,826 |
| April 13, 2026 | 6,830 | 6,830 | 6,830 | 6,830 | 6,800 | 379 |
| April 10, 2026 | 6,960 | 6,830 | 6,830 | 6,960 | 6,830 | 1,038 |
| April 09, 2026 | 6,820 | 6,830 | 6,830 | 6,940 | 6,820 | 1,526 |
| April 08, 2026 | 6,700 | 6,970 | 6,970 | 7,090 | 6,700 | 8,617 |
| April 07, 2026 | 6,660 | 6,870 | 6,870 | 6,930 | 6,660 | 4,813 |
| April 06, 2026 | 6,750 | 6,740 | 6,740 | 6,750 | 6,600 | 540 |
| April 03, 2026 | 6,660 | 6,750 | 6,750 | 6,770 | 6,660 | 6,106 |
| April 02, 2026 | 7,140 | 6,660 | 6,660 | 7,210 | 6,660 | 8,319 |
| April 01, 2026 | 7,920 | 7,310 | 7,310 | 7,920 | 7,310 | 14,069 |
| March 31, 2026 | 7,770 | 8,000 | 8,000 | 8,000 | 7,670 | 4,638 |
| March 30, 2026 | 7,640 | 7,850 | 7,850 | 7,890 | 7,570 | 1,951 |
| March 27, 2026 | 7,840 | 7,780 | 7,780 | 7,840 | 7,730 | 10,765 |
| March 26, 2026 | 8,100 | 8,040 | 8,040 | 8,130 | 7,880 | 8,459 |
| March 25, 2026 | 8,380 | 8,230 | 8,230 | 8,490 | 8,230 | 30,591 |
| March 24, 2026 | 8,680 | 9,260 | 9,260 | 9,320 | 8,510 | 1,533 |