KOSTECSYS. CO. LTD. 355150
KRX · South Korea · Electronic Technology
KRW 23,300.00+450.00 (+1.97%)
Market closed· · KRW · Data may be delayed
Prices may be delayed and are for informational purposes only - not investment advice.
Market closed· · KRW · Data may be delayed
Prices may be delayed and are for informational purposes only - not investment advice.
| Date | Close | Change | Open | High | Low | Volume |
|---|---|---|---|---|---|---|
| 2026-10-02 | KRW 23,300.00 | +1.97% | KRW 22,850.00 | KRW 24,150.00 | KRW 22,550.00 | 194.32K |
| 2026-10-01 | KRW 22,850.00 | +1.56% | KRW 22,250.00 | KRW 23,100.00 | KRW 22,000.00 | 139.53K |
| 2026-09-30 | KRW 22,500.00 | +6.89% | KRW 21,250.00 | KRW 24,000.00 | KRW 20,700.00 | 203.31K |
| 2026-09-29 | KRW 21,050.00 | +2.93% | KRW 20,050.00 | KRW 21,100.00 | KRW 20,000.00 | 72.79K |
| 2026-09-28 | KRW 20,450.00 | -3.99% | KRW 21,300.00 | KRW 21,300.00 | KRW 20,200.00 | 96.05K |
| 2026-09-23 | KRW 21,300.00 | +3.90% | KRW 20,700.00 | KRW 22,250.00 | KRW 20,350.00 | 136.09K |
| 2026-09-22 | KRW 20,500.00 | -2.38% | KRW 21,400.00 | KRW 21,600.00 | KRW 20,300.00 | 130.77K |
| 2026-09-21 | KRW 21,000.00 | -2.78% | KRW 21,400.00 | KRW 22,050.00 | KRW 20,900.00 | 116.14K |
| 2026-09-18 | KRW 21,600.00 | -1.59% | KRW 21,950.00 | KRW 22,400.00 | KRW 20,750.00 | 157.71K |
| 2026-09-17 | KRW 21,950.00 | +14.92% | KRW 19,240.00 | KRW 22,500.00 | KRW 18,920.00 | 394.62K |
| 2026-09-16 | KRW 19,100.00 | 0.00% | KRW 18,980.00 | KRW 19,420.00 | KRW 18,800.00 | 46.57K |
| 2026-09-15 | KRW 19,100.00 | -1.29% | KRW 19,740.00 | KRW 20,100.00 | KRW 18,800.00 | 83.78K |
| 2026-09-14 | KRW 19,350.00 | +0.05% | KRW 18,880.00 | KRW 20,450.00 | KRW 18,420.00 | 85.56K |
| 2026-09-11 | KRW 19,340.00 | -6.57% | KRW 20,450.00 | KRW 20,450.00 | KRW 19,300.00 | 66.72K |
| 2026-09-10 | KRW 20,700.00 | +5.08% | KRW 19,700.00 | KRW 21,200.00 | KRW 19,120.00 | 80.09K |
| 2026-09-09 | KRW 19,700.00 | +4.68% | KRW 18,830.00 | KRW 20,150.00 | KRW 18,760.00 | 51.06K |
| 2026-09-08 | KRW 18,820.00 | -2.08% | KRW 19,350.00 | KRW 19,810.00 | KRW 18,680.00 | 56.70K |
| 2026-09-07 | KRW 19,220.00 | +4.74% | KRW 18,990.00 | KRW 19,280.00 | KRW 18,640.00 | 36.24K |
| 2026-09-04 | KRW 18,350.00 | +2.11% | KRW 18,070.00 | KRW 18,780.00 | KRW 17,970.00 | 37.94K |
| 2026-09-03 | KRW 17,970.00 | -4.52% | KRW 19,200.00 | KRW 19,240.00 | KRW 17,800.00 | 46.80K |
| 2026-09-02 | KRW 18,820.00 | -6.13% | KRW 19,120.00 | KRW 19,800.00 | KRW 18,500.00 | 80.52K |
| 2026-09-01 | KRW 20,050.00 | -5.65% | KRW 21,250.00 | KRW 21,250.00 | KRW 19,450.00 | 94.31K |
| 2026-08-31 | KRW 21,250.00 | -2.97% | KRW 21,600.00 | KRW 21,900.00 | KRW 20,050.00 | 79.21K |
| 2026-08-28 | KRW 21,900.00 | -5.40% | KRW 23,200.00 | KRW 23,950.00 | KRW 21,300.00 | 95.47K |
| 2026-08-27 | KRW 23,150.00 | +3.58% | KRW 22,350.00 | KRW 23,750.00 | KRW 22,000.00 | 132.76K |
| 2026-08-26 | KRW 22,350.00 | +11.75% | KRW 20,250.00 | KRW 23,450.00 | KRW 20,250.00 | 260.38K |
| 2026-08-25 | KRW 20,000.00 | +4.28% | KRW 19,150.00 | KRW 20,050.00 | KRW 17,930.00 | 76.35K |
| 2026-08-24 | KRW 19,180.00 | -0.67% | KRW 19,750.00 | KRW 20,000.00 | KRW 19,080.00 | 44.36K |
| 2026-08-21 | KRW 19,310.00 | -7.39% | KRW 20,600.00 | KRW 20,700.00 | KRW 18,550.00 | 108.59K |
| 2026-08-20 | KRW 20,850.00 | +7.14% | KRW 19,990.00 | KRW 21,950.00 | KRW 19,680.00 | 95.87K |
| 2026-08-19 | KRW 19,460.00 | -2.36% | KRW 19,300.00 | KRW 20,500.00 | KRW 19,030.00 | 62.92K |
| 2026-08-18 | KRW 19,930.00 | -4.18% | KRW 20,800.00 | KRW 21,700.00 | KRW 19,660.00 | 99.90K |
| 2026-08-14 | KRW 20,800.00 | +0.73% | KRW 20,850.00 | KRW 21,150.00 | KRW 19,940.00 | 99.87K |
| 2026-08-13 | KRW 20,650.00 | -4.84% | KRW 22,350.00 | KRW 23,100.00 | KRW 20,600.00 | 132.89K |
| 2026-08-12 | KRW 21,700.00 | -8.44% | KRW 23,800.00 | KRW 23,800.00 | KRW 21,450.00 | 145.02K |
| 2026-08-11 | KRW 23,700.00 | -2.67% | KRW 24,350.00 | KRW 25,000.00 | KRW 22,850.00 | 146.41K |
| 2026-08-10 | KRW 24,350.00 | +19.36% | KRW 21,250.00 | KRW 25,250.00 | KRW 20,400.00 | 235.81K |
| 2026-08-07 | KRW 20,400.00 | -0.73% | KRW 20,550.00 | KRW 20,800.00 | KRW 18,220.00 | 174.16K |
| 2026-08-06 | KRW 20,550.00 | +7.99% | KRW 19,500.00 | KRW 23,500.00 | KRW 18,010.00 | 180.16K |
| 2026-08-05 | KRW 19,030.00 | +12.01% | KRW 17,850.00 | KRW 22,050.00 | KRW 17,550.00 | 279.96K |
| 2026-08-04 | KRW 16,990.00 | +0.59% | KRW 16,750.00 | KRW 17,470.00 | KRW 16,160.00 | 85.35K |
| 2026-08-03 | KRW 16,890.00 | +13.97% | KRW 14,820.00 | KRW 17,200.00 | KRW 14,270.00 | 104.73K |
| 2026-07-31 | KRW 14,820.00 | +19.04% | KRW 15,730.00 | KRW 15,730.00 | KRW 13,500.00 | 102.51K |
| 2026-07-30 | KRW 12,450.00 | -5.32% | KRW 12,390.00 | KRW 13,300.00 | KRW 11,890.00 | 78.01K |
| 2026-07-29 | KRW 13,150.00 | -8.36% | KRW 14,450.00 | KRW 14,750.00 | KRW 12,020.00 | 63.97K |
| 2026-07-28 | KRW 14,350.00 | -11.80% | KRW 15,750.00 | KRW 15,770.00 | KRW 14,060.00 | 55.39K |
| 2026-07-27 | KRW 16,270.00 | -1.99% | KRW 16,760.00 | KRW 16,940.00 | KRW 15,850.00 | 40.19K |
| 2026-07-24 | KRW 16,600.00 | -9.19% | KRW 18,100.00 | KRW 18,100.00 | KRW 16,360.00 | 36.81K |
| 2026-07-23 | KRW 18,280.00 | +4.82% | KRW 17,690.00 | KRW 18,500.00 | KRW 16,610.00 | 60.18K |
| 2026-07-22 | KRW 17,440.00 | +0.87% | KRW 17,510.00 | KRW 19,180.00 | KRW 17,370.00 | 26.58K |
| 2026-07-21 | KRW 17,290.00 | +2.37% | KRW 16,560.00 | KRW 17,650.00 | KRW 15,850.00 | 43.87K |
| 2026-07-20 | KRW 16,890.00 | -8.11% | KRW 17,690.00 | KRW 19,420.00 | KRW 16,550.00 | 38.28K |
| 2026-07-16 | KRW 18,380.00 | -6.32% | KRW 19,550.00 | KRW 19,550.00 | KRW 18,130.00 | 26.56K |
| 2026-07-15 | KRW 19,620.00 | +6.28% | KRW 18,600.00 | KRW 20,000.00 | KRW 18,600.00 | 44.07K |
| 2026-07-14 | KRW 18,460.00 | -15.71% | KRW 21,950.00 | KRW 22,000.00 | KRW 17,130.00 | 119.10K |
| 2026-07-13 | KRW 21,900.00 | +0.46% | KRW 21,750.00 | KRW 24,150.00 | KRW 20,700.00 | 109.97K |
| 2026-07-10 | KRW 21,800.00 | +15.59% | KRW 19,350.00 | KRW 23,350.00 | KRW 19,350.00 | 96.58K |
| 2026-07-09 | KRW 18,860.00 | +4.66% | KRW 18,050.00 | KRW 19,130.00 | KRW 17,520.00 | 55.22K |
| 2026-07-08 | KRW 18,020.00 | -8.81% | KRW 19,550.00 | KRW 20,000.00 | KRW 17,780.00 | 69.94K |
| 2026-07-07 | KRW 19,760.00 | -5.90% | KRW 21,000.00 | KRW 22,450.00 | KRW 19,150.00 | 68.94K |
| 2026-07-06 | KRW 21,000.00 | -6.25% | KRW 22,650.00 | KRW 22,700.00 | KRW 20,450.00 | 48.66K |
| 2026-07-03 | KRW 22,400.00 | +4.92% | KRW 20,950.00 | KRW 22,500.00 | KRW 19,690.00 | 84.94K |
| 2026-07-02 | KRW 21,350.00 | -23.20% | KRW 28,000.00 | KRW 28,100.00 | KRW 21,350.00 | 175.72K |
| 2026-07-01 | KRW 27,800.00 | +11.20% | KRW 25,650.00 | KRW 27,950.00 | KRW 24,550.00 | 85.09K |
| 2026-06-30 | KRW 25,000.00 | +0.40% | KRW 25,000.00 | KRW 25,900.00 | KRW 24,400.00 | 51.07K |
| 2026-06-29 | KRW 24,900.00 | 0.00% | KRW 24,900.00 | KRW 26,500.00 | KRW 24,700.00 | 52.10K |
| 2026-06-26 | KRW 24,900.00 | -6.39% | KRW 27,200.00 | KRW 27,200.00 | KRW 24,300.00 | 103.77K |
| 2026-06-25 | KRW 26,600.00 | -6.17% | KRW 28,500.00 | KRW 29,950.00 | KRW 26,300.00 | 122.17K |
| 2026-06-24 | KRW 28,350.00 | -1.05% | KRW 28,650.00 | KRW 30,000.00 | KRW 27,500.00 | 65.12K |
| 2026-06-23 | KRW 28,650.00 | -5.76% | KRW 30,400.00 | KRW 31,250.00 | KRW 28,650.00 | 80.85K |
| 2026-06-22 | KRW 30,400.00 | -2.72% | KRW 31,250.00 | KRW 32,750.00 | KRW 29,350.00 | 80.38K |
| 2026-06-19 | KRW 31,250.00 | +1.63% | KRW 31,600.00 | KRW 31,600.00 | KRW 28,450.00 | 128.47K |
| 2026-06-18 | KRW 30,750.00 | -8.07% | KRW 33,450.00 | KRW 33,950.00 | KRW 30,750.00 | 91.74K |
| 2026-06-17 | KRW 33,450.00 | +1.83% | KRW 32,500.00 | KRW 34,500.00 | KRW 31,000.00 | 83.09K |
| 2026-06-16 | KRW 32,850.00 | -0.76% | KRW 33,900.00 | KRW 36,050.00 | KRW 32,400.00 | 137.76K |
| 2026-06-15 | KRW 33,100.00 | -2.36% | KRW 34,600.00 | KRW 37,000.00 | KRW 32,100.00 | 97.61K |
| 2026-06-12 | KRW 33,900.00 | +1.50% | KRW 34,000.00 | KRW 36,800.00 | KRW 33,100.00 | 117.40K |
| 2026-06-11 | KRW 33,400.00 | +4.05% | KRW 31,250.00 | KRW 33,750.00 | KRW 30,550.00 | 129.21K |
| 2026-06-10 | KRW 32,100.00 | -4.32% | KRW 33,450.00 | KRW 33,800.00 | KRW 30,000.00 | 11 |
| 2026-06-09 | KRW 33,550.00 | +4.68% | KRW 33,700.00 | KRW 35,750.00 | KRW 32,450.00 | 106.88K |
| 2026-06-08 | KRW 32,050.00 | -11.95% | KRW 31,700.00 | KRW 34,800.00 | KRW 31,650.00 | 175.05K |
| 2026-06-05 | KRW 36,400.00 | -8.20% | KRW 39,000.00 | KRW 39,000.00 | KRW 35,150.00 | 132.57K |
| 2026-06-04 | KRW 39,650.00 | +0.63% | KRW 40,050.00 | KRW 43,600.00 | KRW 38,900.00 | 176.35K |
| 2026-06-02 | KRW 39,400.00 | +3.01% | KRW 39,800.00 | KRW 40,800.00 | KRW 35,900.00 | 323.33K |
| 2026-06-01 | KRW 38,250.00 | -0.26% | KRW 37,700.00 | KRW 39,200.00 | KRW 35,100.00 | 395.69K |
| 2026-05-29 | KRW 38,350.00 | -7.37% | KRW 42,000.00 | KRW 42,000.00 | KRW 37,000.00 | 455.35K |
| 2026-05-28 | KRW 41,400.00 | -6.33% | KRW 44,200.00 | KRW 46,400.00 | KRW 38,500.00 | 377.22K |
| 2026-05-27 | KRW 44,200.00 | -7.53% | KRW 49,450.00 | KRW 51,400.00 | KRW 43,500.00 | 451.76K |
| 2026-05-26 | KRW 47,800.00 | +12.47% | KRW 45,400.00 | KRW 49,600.00 | KRW 43,200.00 | 484.63K |
| 2026-05-22 | KRW 42,500.00 | +6.78% | KRW 39,900.00 | KRW 43,650.00 | KRW 38,300.00 | 340.97K |