카테고리
실마리 일지

The two indices split again — KOSPI down, KOSDAQ up in early trade — Korea Market Morning Session, Aug 24, 2026

As of 09:45 KST, KOSPI stands at -1.47% and KOSDAQ at +1.43%.The two also split last Friday, when KOSPI rose and KOSDAQ fell; today they have split again with the directions reversed.What is pulling KOSPI down is Samsung Electronics, at -6.48% while holding first place by trading value.

The Silmari
A daily data newsletter on the Korean stock market — silmari, ‘a clue: the loose end that unravels the knot’
② Early Session 10:002026.08.24 Mon · No. 21Sentiment — neutral (composite 0.894 · 20-day realised volatility in the 93rd percentile)
② Morning Session · published 10:00 KST · session in progress
01 · Verdictprovisional — sources reconciling (FDR 6796.21 / Naver 6836.49)

10:00verdict at this hour

The two indices split again — KOSPI down, KOSDAQ up in early trade

As of 09:45 KST, KOSPI stands at -1.47% and KOSDAQ at +1.43%.The two also split last Friday, when KOSPI rose and KOSDAQ fell; today they have split again with the directions reversed.What is pulling KOSPI down is Samsung Electronics, at -6.48% while holding first place by trading value.

Key points
01KOSPI -1.47% and KOSDAQ +1.43% as of 09:45 KST — the two are moving opposite ways, with the split reversed from last Friday.
02Samsung Electronics is at -6.48% on the heaviest Trading ValueThe total money value of shares bought and sold over a period.Being a money figure rather than a share count, it reflects where capital actually concentrated that day. of the session (14,166 hundred million won). It opened -3.55% and reached a low of -6.57% — down from the open and not recovered since.
03On the same semiconductor leg, SK hynix is going the other way at +0.40%. It opened up +2.6% and reached a high of +3.58% before giving back nearly all of that gain.
04Both forecasts placed this morning are inside their bands so far — KOSPI at -1.47% within -5.82~+5.82%, KOSDAQ at +1.43% within -4.51~+4.51%.
02 · SnapshotUntil 10:00 AM · Korea Investment & Securities 5-min index (highs/lows based on 5-min close)(may differ slightly from exchange official figures)

10:00Snapshot

A window that records the market at that hour, like a photograph

As of 09:45 KST — KOSPI 6,811.04 · KOSDAQ 813.4

KOSPI at 10:00Open6,881.07· High6,874.49(09:05) · Low6,782.00(09:25) · as of 09:556,831.96
KOSDAQ at 10:00Open804.27· High815.27(09:50) · Low809.97(09:35) · as of 09:55815.09
03 · Top 10 checkpointsKorea Investment & Securities minute bars · Until 10:00 AM

Top by trading value10— snapshot

A window on how the top trading-value names have moved up to this hour

The gap between risers and fallers is wide at the top of KOSDAQ

Nearsl Lab, first by turnover on KOSDAQ, is at -15.17%. It opened -1.7%, fell to a low of -17.23% and reached a high of +1.94% — a wide swing within a single session.On the other side, ITCEN Global is at +17.82%, ECOPRO at +7.1% and Woori Technology Investment at +5.07%.

Top 10 by trading value — prior close · open · gap · 10:00 snapshot (may have minor variance vs. exchange official)
StockPrior closeOpenGapHigh (time)Last at 10:00ChangeLow (time)
Samsung Electronics281,500271,500−3.55%270,000 (09:01)265,000 (10:00)−5.86%261,500 (09:27)
SK hynix1,730,0001,775,000+2.60%1,792,000 (09:02)1,754,000 (10:00)+1.39%1,725,000 (09:30)
Samsung Electronics (Pref.)207,000197,400−4.64%194,500 (09:01)191,100 (10:00)−7.68%188,500 (09:27)
Samsung Electro-Mechanics1,316,0001,316,000+0.00%1,342,000 (09:01)1,330,000 (10:00)+1.06%1,292,000 (09:26)
SK Square1,123,0001,140,000+1.51%1,145,000 (09:02)1,110,000 (10:00)−1.16%1,084,000 (09:31)
Samsung SDI478,000489,500+2.41%522,000 (09:23)514,000 (10:00)+7.53%486,500 (09:02)
NAVER222,000231,000+4.05%235,000 (09:35)231,500 (10:00)+4.28%226,500 (09:03)
Kumho Electric8,3808,520+1.67%9,740 (09:08)8,830 (10:00)+5.37%8,640 (09:30)
Kumho E&C14,75014,820+0.47%16,260 (09:08)15,160 (10:00)+2.78%14,850 (09:29)
SK Telecom102,200105,500+3.23%106,500 (09:23)102,700 (10:00)+0.49%102,500 (09:45)

Why these names moved could not be confirmed in this morning’s data; each is still marked as having no identified driver.No cause is attached here. Once flows and disclosures are filled in after the close, they will be looked at again.

04 · Up · DownReason labels: [News] confirmed · [Pattern] inferred

Gainers5· Decliners5— snapshot

A window on the biggest gainers and decliners, and the reasons behind them

Samsung Electronics falls while SK hynix holds — a split inside semiconductors

The top of KOSPI turnover is held by two semiconductor names moving in opposite directions.Samsung Electronics is at -6.48% (turnover 14,166 hundred million won) and SK hynix at +0.40% (12,362 hundred million won).Samsung Electronics Preferred StockA share that carries no voting right but ranks ahead of common shares for dividends.It trades separately from the common shares of the same company, so the two can diverge within a single session. is at -8.55%, further down than the common shares; Samsung Electro-Mechanics is at -1.37% and SK Square at -2.4%.Investor flows by stock cannot be shown yet: the exchange does not publish same-day per-stock Net BuyingThe state in which an investor group’s purchases exceed its sales over a period.It identifies which group actually committed capital, which is the basis for attributing an index move. while the session is open. They are filled in after 18:00 KST today.

Gainers —5:00as measured at this hour
Kidari Studio+22.14%· turnover ₩10.1bn
Shin Poong Pharmaceutical+21.06%· turnover ₩10.1bn
IT Cent Global * (KOSDAQ)+17.20%· turnover ₩45.4bn
L&F+15.89%· turnover ₩45.6bn
Mirae Asset Venture Investment * (KOSDAQ)+13.38%· turnover ₩21.3bn
Losers —5:00as measured at this hour
Nearthlab (KOSDAQ)−12.01%· turnover ₩105.1bn
Samsung Life Insurance−8.83%· turnover ₩39.9bn
Samsung Electronics (Pref.)−8.31%· turnover ₩433.4bn
Kolon TissueGene (KOSDAQ)−7.90%· turnover ₩23.3bn
Samsung C&T−7.71%· turnover ₩26.3bn
Historical contextSelection: turnover of ₩10bn or more · machine ranking by percentage change.
Sources: Korea Exchange · NXT · own measurements · basis provisional — sources reconciling (FDR 6796.21 / Naver 6836.49) · The Silmari editorial desk.
This edition organises and explains publicly available market data. It is not investment advice. Predictions and their scores are preserved without revision — the judgement is yours.