12:00verdict at this hour
KOSPI peaked at the open, KOSDAQ climbed through the morning — same direction, different clock
On the morning of Thursday, 27 August 2026, KOSPI opened at 6,996.12 and that opening print was also the morning high. It slipped to 6,841.88 before recovering to 6,936.01 as of 11:46, up +1.88% on the day.KOSDAQ traced a different shape — it opened at 828.42, dipped to 824.22, then rose to 836.03, and stood at 832.79 as of 11:46, up +0.72%.Both indices moving the same way for the first time in four sessions carries over from the early edition, but KOSPI took its high at the opening bell while KOSDAQ took its high intraday.
12:00Snapshot
A window that records the market at that hour, like a photograph
The KOSPI open of 6,996.12 was its high; the KOSDAQ high of 836.03 came intraday — the morning momentum moved across
Top by trading value10— snapshot
A window on how the top trading-value names have moved up to this hour
SK hynix at KRW 3,142.7 bn and Samsung Electronics at KRW 2,409.7 bn led KOSPI turnover
As of 11:46, the largest KOSPI turnover was SK hynix (KRW 3,142.7 bn), followed by Samsung Electronics (KRW 2,409.7 bn), Samsung Electronics preferred (KRW 463.6 bn), Samsung Electro-Mechanics (KRW 396.0 bn) and Daewoo E&C (KRW 375.2 bn).On KOSDAQ, Taihan Fiberoptics absorbed the most turnover (KRW 303.6 bn), ahead of Simmtech (KRW 134.5 bn), Silicon2 (KRW 120.7 bn) and Haechitech (KRW 95.2 bn).With exchange data access restricted, this list comes from the fallback route.
| Stock | Prior close | Open | Gap | High (time) | 12:00 Current Price | Change | Low (time) |
|---|---|---|---|---|---|---|---|
| SK hynix | 1,688,000 | — | — | 1,788,000 (09:05) | 1,745,000 (12:00) | +3.38% | 1,708,000 (10:01) |
| Samsung Electronics | 261,500 | — | — | 271,000 (09:08) | 267,000 (12:00) | +2.10% | 262,500 (09:53) |
| Samsung Electro-Mechanics | 1,330,000 | — | — | 1,397,000 (09:03) | 1,370,000 (12:00) | +3.01% | 1,336,000 (09:54) |
| Samsung Electronics (Pref.) | 196,800 | — | — | 201,500 (09:01) | 195,500 (12:00) | −0.66% | 192,500 (09:53) |
| Samsung SDI | 516,000 | — | — | 571,000 (10:55) | 564,000 (12:00) | +9.30% | 522,000 (09:01) |
| SK Square | 1,058,000 | — | — | 1,111,000 (09:01) | 1,076,000 (12:00) | +1.70% | 1,050,000 (10:01) |
| Hyundai Motor | 408,000 | — | — | 410,500 (09:01) | 401,000 (12:00) | −1.72% | 396,500 (10:14) |
| Daewoo E&C | 19,100 | — | — | 21,950 (09:34) | 20,200 (12:00) | +5.76% | 18,810 (09:01) |
| Doosan Enerbility | 85,800 | — | — | 87,400 (09:41) | 86,500 (12:00) | +0.82% | 83,400 (09:03) |
| Hyundai Mobis | 464,000 | — | — | 468,500 (09:01) | 453,500 (12:00) | −2.26% | 448,000 (10:16) |
The clearest path belongs to SK hynix — it opened at +5.21%, set its high of +5.92% at 09:05, fell to a low of +1.18% at 10:01, and stood at +3.44% as of 11:46.Samsung Electronics traced the same shape — open +3.25%, high +3.63% at 09:08, low +0.38% at 09:53, and +2.39% now.The opposite shape also appears — Samsung SDI opened at +1.94% and climbed to a high of +10.66% at 10:55, standing at +9.5%, while Doosan Enerbility recovered from a -2.8% low at 09:03 to a +2.21% high at 11:35.On KOSDAQ, Haechitech opened at +1.28% and reached a high of +23.89% at 11:25 — squarely on the side that looked upward as the morning wore on.
Gainers5· Decliners5— snapshot
A window on the biggest gainers and decliners, and the reasons behind them
KOSPI +1.88%, KOSDAQ +0.72% — yet within the most-traded names the spread ran from -6.47% to +20.04%
Inside the KOSPI most-traded list the temperature varied widely — Samsung SDI rose the most at +9.5%, followed by Daewoo E&C at +5.63%, SK hynix at +3.44% and Samsung Electro-Mechanics at +3.38%.On the other side Hyundai Mobis fell -2.48%, Hyundai Motor -1.96% and Samsung Electronics preferred -0.76% — three of the top ten were down even on a day the index rose.On KOSDAQ, Haechitech rose +20.04%, Simmtech +12.16% and Taihan Fiberoptics +9.7%, while Silicon2 alone fell sharply at -6.47%.Why these names moved as they did could not be confirmed from the data available today — the unconfirmed-catalyst marker remains in place, and no cause is invented to fill it.