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Autos and Telecoms Rally; Chip-Equipment Names Drag KOSDAQ into the Red by Midday — Korea Market Midday, Aug 14, 2026

By the noon snapshot on Friday, August 14 (2026), the KOSPI had pulled back from its intraday high of 7,010.86 (reached at 09:02) to trade near 6,900, having touched a session low of 6,848.43 at 10:34 — a peak-to-trough intraday swing of 1.42% on the stated high/low spread.The KOSDAQ followed a simi

The Silmari
A daily data newsletter on the Korean stock market — silmari, ‘a clue: the loose end that unravels the knot’
③ Midday 12:002026.08.14 Fri · No. 12Sentiment gauge: Neutral — composite score 0.725; confirmed inputs are 20-day volatility at 5.87 (93rd percentile, 2026 regime) and single-stock leverage ETF share at 10.41% (79th percentile); credit balance and short-surge readings carry a T+1/T+2 lag and reflect data through Aug 12–13 (2026).
③ Midday · published 12:00 KST · session in progress
01 · Verdict★Provisional — Source correcting (FDR 6912.87 / Naver 6884.31)

12:00verdict at this hour

Autos and Telecoms Rally; Chip-Equipment Names Drag KOSDAQ into the Red by Midday

By the noon snapshot on Friday, August 14 (2026), the KOSPI had pulled back from its intraday high of 7,010.86 (reached at 09:02) to trade near 6,900, having touched a session low of 6,848.43 at 10:34 — a peak-to-trough intraday swing of 1.42% on the stated high/low spread.The KOSDAQ followed a similar arc, peaking at 879.29 at 09:07 before drifting to a session low of 845.41 at 10:15, with foreign investors Net SaleThe excess of sell orders over buy orders placed by a given investor group during a session, expressed in won.Persistent net selling by a dominant group can weigh on index levels independent of headline index moves.119.3bn and retail buyers absorbing ₩289.5bn on the junior board through the morning session (Provisional (Intraday) Flow DataInvestor flow figures collected before KRX’s official 18:00–20:00 KST settlement; subject to revision when the final figures are published.Intraday flow readings can differ from confirmed evening figures; The Silmari flags all such data as provisional until the final edition., collected 11:52 KST).

Key points
01Morning call scorecard (provisional): P1 (KOSPI up +0.2~+1.0%) grades — confirmed close +1.46% at 6,912.87. P2 (KOSDAQ up +0.5~+2.0% through the morning) grades — the index fell −0.49% to 857.15. Both verdicts are intraday-provisional; final scoring publishes in the evening edition.
02Nikkei 225 (JST 11:30 bar, pre-lunch): the index stood at 68,889.01, up +0.85% from the prior close of 68,308.59. Japan’s market is in its midday break (11:30–12:30 JST); this figure reflects the morning session close bar.
03Foreign Net PurchaseThe excess of buy orders over sell orders placed by a given investor group during a session, expressed in won.The direction of net buying by foreigners versus retail investors is the most-watched daily flow signal in the Korean market. on KOSPI: foreigners are provisionally net buyers of ₩1.22tn on the main board today, pushing the one-week KOSPI total to ₩4.73tn net bought — while remaining net sellers of ₩83.67tn on a rolling-quarter basis (May 15–Aug 14, 2026).
04Sector split: autos (+4.34%), shipbuilding/shipping (+2.88%), and consumer/entertainment (+2.72%) led on the upside; defense/aerospace (−3.12%), power/electrical (−1.99%), and construction/infrastructure (−1.49%) lagged — a rotation away from last week’s defense and grid plays and toward domestically-oriented cyclicals.
02 · SnapshotUntil 12:00 · Korea Investment & Securities Index 5-min (High/Low based on 5-min close)(May vary slightly from exchange official figures)

12:00Snapshot

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

Foreigners provisionally net bought ₩1.22tn on KOSPI today, extending a one-week inflow of ₩4.73tn, while retail investors net sold ₩719.1bn — flows are provisional ahead of tonight’s KRX settlement.

KOSPI at 12:00Open6,995.67· High6,999.10(09:05) · Low6,849.09(10:30) · as of 11:556,885.89
KOSDAQ at 12:00Open868.07· High876.03(09:10) · Low846.43(10:00) · as of 11:55849.32
03 · Top 10 checkpointsKorea Investment & Securities 5-min bar · Until 12:00

Top by trading value10— snapshot

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

SK hynix and Samsung Electronics Topped KOSPI Turnover; Jeju Semiconductor Led KOSDAQ Volume Despite Steep Decline

Through the morning session, SK hynix generated ₩3.80tn in turnover — the heaviest on the KOSPI — opening at ₩1,695,000, hitting an intraday high of ₩1,697,000 at 09:12, then sliding to a session low of ₩1,626,000 at 10:35 before the noon snapshot showed it at ₩1,644,000; Samsung Electronics, second by value at ₩2.68tn, followed a similar early-peak-then-retreat path, touching its session high of ₩275,500 at 09:00 and its low of ₩266,000 at 10:13.Samsung Electro-Mechanics ranked third on the KOSPI at ₩1.06tn in turnover, while SK Telecom drew ₩173.3bn — notable for an upward trajectory that saw it reach its session high of ₩100,300 at 10:07, an intraday counter-current to the broader index’s retreat from its own morning peak.

Top 10 by Trading Value — Prior Close · Open · Gap · Values as of 12:00 (may differ slightly from exchange official figures)
StockPrior closeOpenGapHigh (time)12:00 Current PriceChangeLow (time)
SK hynix1,593,0001,695,000+6.40%1,697,000 (09:12)1,639,000 (12:00)+2.89%1,626,000 (10:35)
Samsung Electronics268,000275,000+2.61%274,750 (09:02)269,000 (12:00)+0.37%266,000 (10:13)
Samsung Electro-Mechanics1,503,0001,593,000+5.99%1,589,000 (09:01)1,560,000 (12:00)+3.79%1,511,000 (10:06)
SK Square1,117,0001,182,000+5.82%1,169,000 (11:35)1,161,000 (12:00)+3.94%1,130,000 (09:16)
Samsung Electronics (Pref.)187,800191,600+2.02%194,500 (09:03)191,300 (12:00)+1.86%188,100 (10:15)
Hyundai Motor418,500424,000+1.31%452,500 (09:38)442,500 (12:00)+5.73%425,000 (09:01)
LG Electronics206,500212,000+2.66%225,000 (09:03)211,000 (12:00)+2.18%206,500 (10:34)
SK Telecom91,10092,400+1.43%100,300 (10:07)98,200 (12:00)+7.79%92,600 (09:01)
SK eternix57,10057,800+1.23%58,800 (09:45)57,000 (12:00)−0.18%55,900 (09:06)
Kumho Electric6,8907,940+15.24%8,170 (09:05)6,910 (12:00)+0.29%6,510 (09:44)

Hyundai Motor bucked the broad pattern: its session low of ₩421,500 came at the open (09:00), and it climbed to its high of ₩452,500 at 09:38 — a morning trajectory opposite to the index’s own arc.On the KOSDAQ, Jeju Semiconductor led turnover at ₩274.1bn despite a decline of −7.13%, opening at ₩89,000 and sliding to ₩79,200 before the noon snapshot; Hyundai Movex ranked second at ₩241.2bn with a gain of +9.88%, its session low registered at the open.

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

Gainers5· Decliners5— snapshot

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

KOSPI closes up +1.46% at 6,912.87 as autos and telecoms lead, while KOSDAQ slips −0.49% to 857.15 on broad selling in chip-equipment names.

On the KOSPI, the sharpest gainers among names with at least ₩100bn in turnover included Bingrae (+22.13%), DIC (+23.43%), Nongshim (+11.81%), and SK Telecom (+8.12%); on the downside, Hanssol Chemical (−8.82%), Kumho Construction (−6.19%), and Seonil Electric (−5.53%) led declines — a pattern where food/consumer names advanced sharply while power-grid and construction stocks retreated.On the KOSDAQ, Jaeyoung Solutec (+29.93%), Clio (+27.22%), iRobotics (+23.97%), Alt (+22.41%), and Hallra Cast (+18.56%) topped the advance list, while MK Electron (−12.70%), AJU IB Investment (−11.78%), and Jeju Semiconductor (−7.13%) were among the sharper declines — with chip-equipment names Wonik IPS (−6.58%), Yusung Technology (−6.37%), and Jusung Engineering (−3.18%) also under pressure.

Gainers —12:00as measured at this hour
Jaeyoung Solutec * (KOSDAQ)+29.93%· turnover ₩25.8bn
Clio * (KOSDAQ)+27.22%· turnover ₩19.7bn
Airobotics * (KOSDAQ)+23.97%· turnover ₩34.4bn
DIC+23.43%· turnover ₩29.8bn
Alt * (KOSDAQ)+22.41%· turnover ₩34.3bn
Losers —12:00as measured at this hour
MK Electron (KOSDAQ)−12.70%· turnover ₩37.9bn
Aju IB Investment * (KOSDAQ)−11.78%· turnover ₩46.1bn
Hansol Chemical−8.82%· turnover ₩11.0bn
Madup (KOSDAQ)−7.35%· turnover ₩17.8bn
Hana Materials * (KOSDAQ)−7.00%· turnover ₩11.5bn
Historical contextSelection: turnover of ₩10bn or more · machine ranking by percentage change.
Source: Korea Exchange ·Nextrade (Alternative Trading System)Korea’s first alternative trading venue, operating pre-market, main-session, and after-market sessions alongside KRX.NXT volume adds context beyond KRX-reported turnover and can signal directional conviction in extended-hours trading.· Actual · Reference ★Provisional — Source correcting (FDR 6912.87 / Naver 6884.31) · Compiled by Silmari Editorial Team.
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.