Stock listing
KRX:431190 K3I Co., Ltd. (케이쓰리아이) 주가
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Share price · KRX:431190
₩2,985.00 KRW -65.00 (-2.1%)
Close on Oct 30, 2026
- Day range
- ₩2,885.00 – ₩3,130.00 KRWOct 30, 2026
- Volume
- 46,043 sharesOct 30, 2026
- Market cap
- ₩22.35B KRWAt the close on Oct 30, 2026 · price × 7.49M shares outstanding
- 52-week range
- ₩1,847.00 – ₩7,450.00 KRWLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- ₩346.2M KRWMedian day 38,964 shares · last 3 months, Jul 30, 2026 – Oct 30, 2026

Daily closes
Last 3 months, Jul 30, 2026 – Oct 30, 2026 · KRX:431190 · KRW, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| ₩2,985.00 | -65.00 | -2.1% | ₩3,060.00 | ₩3,130.00 | ₩2,885.00 | 46,043 | |
| ₩3,050.00 | -255.00 | -7.7% | ₩3,210.00 | ₩3,300.00 | ₩3,005.00 | 36,665 | |
| ₩3,305.00 | -395.00 | -10.7% | ₩3,700.00 | ₩3,700.00 | ₩3,210.00 | 75,397 | |
| ₩3,700.00 | -145.00 | -3.8% | ₩3,880.00 | ₩3,880.00 | ₩3,450.00 | 44,051 | |
| ₩3,845.00 | -110.00 | -2.8% | ₩3,955.00 | ₩4,165.00 | ₩3,690.00 | 104,072 | |
| ₩3,955.00 | +155.00 | +4.1% | ₩3,770.00 | ₩3,985.00 | ₩3,685.00 | 43,256 | |
| ₩3,800.00 | -50.00 | -1.3% | ₩3,900.00 | ₩3,900.00 | ₩3,365.00 | 98,014 | |
| ₩3,850.00 | -190.00 | -4.7% | ₩4,040.00 | ₩4,100.00 | ₩3,680.00 | 35,767 | |
| ₩4,040.00 | +5.00 | +0.1% | ₩4,070.00 | ₩4,185.00 | ₩3,900.00 | 19,454 | |
| ₩4,035.00 | -15.00 | -0.4% | ₩4,050.00 | ₩4,140.00 | ₩3,945.00 | 32,594 | |
| ₩4,050.00 | +225.00 | +5.9% | ₩3,870.00 | ₩4,055.00 | ₩3,670.00 | 19,942 | |
| ₩3,825.00 | -215.00 | -5.3% | ₩3,670.00 | ₩3,970.00 | ₩3,670.00 | 52,773 | |
| ₩4,040.00 | +15.00 | +0.4% | ₩4,000.00 | ₩4,320.00 | ₩3,870.00 | 38,004 | |
| ₩4,025.00 | -20.00 | -0.5% | ₩4,175.00 | ₩4,175.00 | ₩3,810.00 | 47,795 | |
| ₩4,045.00 | -555.00 | -12.1% | ₩4,600.00 | ₩4,600.00 | ₩3,995.00 | 102,170 | |
| ₩4,600.00 | +300.00 | +7.0% | ₩4,310.00 | ₩4,700.00 | ₩4,310.00 | 83,181 | |
| ₩4,300.00 | -295.00 | -6.4% | ₩4,505.00 | ₩4,505.00 | ₩4,275.00 | 28,765 | |
| ₩4,595.00 | +5.00 | +0.1% | ₩4,560.00 | ₩4,680.00 | ₩4,265.00 | 66,986 | |
| ₩4,590.00 | +10.00 | +0.2% | ₩4,625.00 | ₩4,635.00 | ₩4,455.00 | 49,308 | |
| ₩4,580.00 | +200.00 | +4.6% | ₩4,300.00 | ₩4,645.00 | ₩4,250.00 | 101,993 | |
| ₩4,380.00 | +180.00 | +4.3% | ₩4,195.00 | ₩4,380.00 | ₩4,050.00 | 75,065 | |
| ₩4,200.00 | -110.00 | -2.6% | ₩4,185.00 | ₩4,245.00 | ₩4,130.00 | 76,932 | |
| ₩4,310.00 | -50.00 | -1.1% | ₩4,400.00 | ₩4,615.00 | ₩4,070.00 | 287,710 | |
| ₩4,360.00 | +510.00 | +13.2% | ₩3,850.00 | ₩4,860.00 | ₩3,850.00 | 1,695,384 | |
| ₩3,850.00 | +75.00 | +2.0% | ₩3,805.00 | ₩4,020.00 | ₩3,740.00 | 117,685 | |
| ₩3,775.00 | -120.00 | -3.1% | ₩3,810.00 | ₩3,945.00 | ₩3,555.00 | 87,356 | |
| ₩3,895.00 | +500.00 | +14.7% | ₩3,500.00 | ₩4,065.00 | ₩3,480.00 | 401,859 | |
| ₩3,395.00 | -40.00 | -1.2% | ₩3,435.00 | ₩3,435.00 | ₩3,320.00 | 34,798 | |
| ₩3,435.00 | -275.00 | -7.4% | ₩3,665.00 | ₩3,665.00 | ₩3,370.00 | 45,184 | |
| ₩3,710.00 | -40.00 | -1.1% | ₩3,750.00 | ₩3,850.00 | ₩3,605.00 | 26,138 | |
| ₩3,750.00 | -60.00 | -1.6% | ₩3,805.00 | ₩3,900.00 | ₩3,715.00 | 92,976 | |
| ₩3,810.00 | +625.00 | +19.6% | ₩3,185.00 | ₩3,900.00 | ₩3,105.00 | 499,097 | |
| ₩3,185.00 | +290.00 | +10.0% | ₩2,865.00 | ₩3,240.00 | ₩2,730.00 | 39,412 | |
| ₩2,895.00 | -30.00 | -1.0% | ₩2,945.00 | ₩2,945.00 | ₩2,840.00 | 11,565 | |
| ₩2,925.00 | -55.00 | -1.8% | ₩2,980.00 | ₩2,980.00 | ₩2,855.00 | 13,350 | |
| ₩2,980.00 | -120.00 | -3.9% | ₩3,100.00 | ₩3,170.00 | ₩2,905.00 | 38,853 | |
| ₩3,100.00 | -40.00 | -1.3% | ₩3,130.00 | ₩3,230.00 | ₩3,070.00 | 30,707 | |
| ₩3,140.00 | -15.00 | -0.5% | ₩3,215.00 | ₩3,220.00 | ₩3,040.00 | 39,927 | |
| ₩3,155.00 | +110.00 | +3.6% | ₩3,045.00 | ₩3,390.00 | ₩2,870.00 | 93,511 | |
| ₩3,045.00 | +165.00 | +5.7% | ₩2,880.00 | ₩3,045.00 | ₩2,835.00 | 39,074 | |
| ₩2,880.00 | +35.00 | +1.2% | ₩2,855.00 | ₩2,895.00 | ₩2,790.00 | 6,936 | |
| ₩2,845.00 | +105.00 | +3.8% | ₩2,740.00 | ₩2,910.00 | ₩2,685.00 | 21,577 | |
| ₩2,740.00 | +90.00 | +3.4% | ₩2,655.00 | ₩2,790.00 | ₩2,625.00 | 14,856 | |
| ₩2,650.00 | -50.00 | -1.9% | ₩2,640.00 | ₩2,660.00 | ₩2,595.00 | 7,426 | |
| ₩2,700.00 | +70.00 | +2.7% | ₩2,610.00 | ₩2,715.00 | ₩2,500.00 | 9,621 | |
| ₩2,630.00 | -150.00 | -5.4% | ₩2,780.00 | ₩2,780.00 | ₩2,585.00 | 9,617 | |
| ₩2,780.00 | -220.00 | -7.3% | ₩2,950.00 | ₩2,965.00 | ₩2,710.00 | 24,470 | |
| ₩3,000.00 | +205.00 | +7.3% | ₩2,880.00 | ₩3,070.00 | ₩2,770.00 | 45,393 | |
| ₩2,795.00 | +30.00 | +1.1% | ₩2,740.00 | ₩2,865.00 | ₩2,705.00 | 25,467 | |
| ₩2,765.00 | +110.00 | +4.1% | ₩2,660.00 | ₩2,850.00 | ₩2,585.00 | 37,572 | |
| ₩2,655.00 | -85.00 | -3.1% | ₩2,800.00 | ₩2,800.00 | ₩2,600.00 | 19,432 | |
| ₩2,740.00 | -5.00 | -0.2% | ₩2,745.00 | ₩2,745.00 | ₩2,600.00 | 17,924 | |
| ₩2,745.00 | +70.00 | +2.6% | ₩2,675.00 | ₩2,750.00 | ₩2,595.00 | 16,870 | |
| ₩2,675.00 | +30.00 | +1.1% | ₩2,645.00 | ₩2,685.00 | ₩2,585.00 | 23,239 | |
| ₩2,645.00 | +145.00 | +5.8% | ₩2,500.00 | ₩2,645.00 | ₩2,435.00 | 24,179 | |
| ₩2,500.00 | -80.00 | -3.1% | ₩2,605.00 | ₩2,650.00 | ₩2,415.00 | 48,162 | |
| ₩2,580.00 | -465.00 | -15.3% | ₩2,845.00 | ₩2,845.00 | ₩2,500.00 | 89,523 | |
| ₩3,045.00 | +655.00 | +27.4% | ₩2,395.00 | ₩3,045.00 | ₩2,395.00 | 128,862 | |
| ₩2,390.00 | +125.00 | +5.5% | ₩2,275.00 | ₩2,390.00 | ₩2,255.00 | 9,992 | |
| ₩2,265.00 | +70.00 | +3.2% | ₩2,195.00 | ₩2,270.00 | ₩2,145.00 | 31,185 | |
| ₩2,195.00 | +150.00 | +7.3% | ₩2,045.00 | ₩2,195.00 | ₩2,045.00 | 18,664 | |
| ₩2,045.00 | -55.00 | -2.6% | ₩1,995.00 | ₩2,125.00 | ₩1,970.00 | 17,507 |
- Ticker
- KRX:431190
- Asset type
- Stock
- Exchange
- KRX
- Currency
- KRW
What changed lately
Latest news release · Jan 12, 2026
K3i Co Ltd Wins 912 Million Won Order
Latest deck · 2026
Investor Presentation (2026)
Investor deck · 36 slides
Latest news
K3i Co Ltd Wins 912 Million Won Order
Jan 11, 2026
Closed ₩5,440.00 (+0.4%) on Jan 12, 2026
Decks
Investor Presentation (2026)
Investor deck · 36 slides · 2026
K3I Co., Ltd. on 6ix
- News releases
- 1 in the last 12 months · 1 in all · newest Jan 12, 2026 · oldest 2026
- Decks
- 1 deck · latest 2026
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