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KOSPI Sheds 1.73% as Foreigners Sell ₩257.6bn; KOSDAQ Off 2.92% — Korea Market Midday, Aug 7, 2026

The KOSPI closed Friday, August 7 (2026) at 6,187.16, down 1.73%, after carving a 4.17% intraday range between a session high of 6,415.60 at 09:09 and a low of 6,158.73 at 10:40.The KOSDAQ fell 2.92% to 778.30, its intraday swing spanning 4.92% from a high of 814.80 to a low of 776.60, both indices

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A daily data newsletter on the Korean stock market — silmari, ‘a clue: the loose end that unravels the knot’
③ Midday 12:002026.08.07 Fri · No. 5Anxious — sentiment score 1.36; volatility component at 98th percentile, leverage share at 99th percentile (2026 expanding distribution).
③ Midday · published 12:00 KST · session in progress
01 · VerdictRegular session confirmed 15:30 KST

12:00verdict at this hour

KOSPI Sheds 1.73% as Foreigners Sell ₩257.6bn; KOSDAQ Off 2.92%

The KOSPI closed Friday, August 7 (2026) at 6,187.16, down 1.73%, after carving a 4.17% intraday range between a session high of 6,415.60 at 09:09 and a low of 6,158.73 at 10:40.The KOSDAQ fell 2.92% to 778.30, its intraday swing spanning 4.92% from a high of 814.80 to a low of 776.60, both indices finding a floor around 10:40 before partially recovering through the noon hour.

Key points
01Foreigners were net sellers of ₩257.6bn on KOSPI today (provisional); over the past week they sold a net ₩5.29tn on KOSPI and ₩1.24tn on KOSDAQ combined.
02SK hynix led the damage, falling 4.82% with ₩4.25tn in turnover — the heaviest of any stock today — while NAVER dropped 7.08% and SK Eternix slid 7.82%.
03Energy & chemicals (+3.40%) and electronics/components (+2.32%) bucked the selloff; construction & infrastructure (−4.78%) and semiconductors (−2.71%) were the weakest sectors.
04The sentiment gauge sits at 1.36 (‘Anxious’ stage): the volatility component is at the 98th percentile and leverage share at the 99th percentile of the 2026 expanding distribution.
02 · SnapshotSnapshot — minute-bar readings

12:00Snapshot

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

Intraday Swing of 256.87 Points on KOSPI; Both Markets Bottomed at 10:40 Before Midday Partial Bounce

KOSPI snapshotOpen6359.02· High6415.6(09:09) · Low6158.73(10:40) · Last6258.77
KOSDAQ snapshotOpen806.23· High814.8(09:13) · Low776.6(10:40) · Last798.81
03 · Top 10 checkpointsMinute-bar readings · low and high times included

Top by trading value10— snapshot

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

SK hynix ₩4.25tn Turnover Tops KOSPI; KOSDAQ Led by Daehangwangtong ₩164.6bn as Selling Pressure Broadens

Top-10 snapshot commentary — data could not be collected

Top 10 by trading value — prior close · open · gap · high (time) · last · change · low (time)
StockPrior closeOpenGapHigh (time)Close
SK hynix1,494,9541,521,000+1.74%1,542,000 (09:04)1,422,000
Samsung Electronics230,493235,000+1.96%239,500 (09:04)231,000
Samsung Electro-Mechanics1,228,9641,259,000+2.44%1,304,000 (09:59)1,278,000
Hanwha Solutions30,40133,000+8.55%38,550 (09:15)33,900
SK Square970,041996,000+2.68%1,006,000 (09:03)939,000
Samsung Electronics (Pref.)172,096177,100+2.91%179,200 (09:06)170,100
NAVER226,001219,500−2.88%222,000 (09:00)210,000
Samsung SDI427,016444,000+3.98%468,000 (09:15)459,000
OCI Holdings244,001262,000+7.38%288,500 (09:17)272,500
SK eternix54,99958,100+5.64%59,100 (09:01)50,500

Top-10 snapshot commentary — data could not be collected

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

Gainers5· Decliners5— snapshot

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

Construction Drops 4.78%, Semiconductors 2.71%; Energy & Chemicals Gain 3.40% Against the Tide

The day’s losers were concentrated in rate-sensitive and high-beta names: Lotte Shopping fell 16.77%, Korea Zinc 11.59%, Doosan Fuel Cell 10.61%, and Korea Financial Holdings 8.14% on the KOSPI; on the KOSDAQ, Daedong Gear fell 22.47%, Pharma Research dropped 11.28%, and Rainbow Robotics shed 8.07%.Offsetting names were mostly in energy and selective recovery plays: S-Oil rose 7.05%, Hanwha Solutions 6.74%, SK Innovation 5.43%, and Samsung SDI 3.75% on KOSPI; on the KOSDAQ, Remedi gained 23.10% and NuEnAI 16.89%.

Gainers —12:00as measured at this hour
Losers —12:00as measured at this hour
Historical contextSelection: turnover of ₩10bn or more · machine ranking by percentage change.
Sources: Korea Exchange · NXT · own measurements · regular session confirmed 15:30 KST · 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.