The KOSPI closed at 6,579.04 on Wednesday, August 12 (2026), rising +3.68% as foreign investors posted net KOSPI purchases of ₩2,835.4bn — their largest single-day buy in the current week — concentrated in Samsung Electronics (+6.68%) and SK hynix (+5.54%).Multiple inputs converged on the same day:
Treasury yields
The KOSPI closed Wednesday, August 12 (2026) at 6,579.04, up 3.68%, after swinging across a 254.93-point intraday range (3.97%) between a session low of 6,413.50 and a high of 6,668.43.The KOSDAQ added 0.12% to close at 858.91, oscillating within a narrower 2.49% band — the two markets diverged shar
Tuesday, August 11 (2026) closed with Samsung Electronics up 4.13% to ₩239,500 and SK hynix edging 0.35% higher to ₩1,425,000, while the defense and shipbuilding cluster — Korea Aerospace Industries, Hanwha Ocean, Hyundai Rotem, Hanwha Systems — gave back between 5.57% and 12.07%.Wednesday’s open ar
The KOSPI closed Tuesday, August 11 (2026) at 6,345.53, up +0.73%, defying an overnight SOX decline of –2.94% that anchored The Silmari’s morning call for a drop of –1.5% to –2.5% — that call missed.The session’s internal divide was stark: Samsung Electronics surged +4.13% and drew ₩5.51tn in turnov
Monday, August 10 (2026) ended with a tale of two markets: the KOSPI inched up 0.65% to 6,299.66 while the KOSDAQ vaulted 6.97% to 854.47, one of the sharpest single-day divergences between the two benchmarks this year.Alteogen (+14.1%), defense equipment names, and a broad sweep of KOSDAQ small-cap
The KOSPI closed Monday, August 10 (2026) at 6,299.66, up 0.65%, swinging through a 161.61-point intraday range — a 2.59% spread from trough to peak — as the index opened at 6,306.33, tagged a high of 6,394.06, and gave back gains to close near session lows.The KOSDAQ was the session’s defining stor
South Korean equities closed broadly higher on Monday, August 10 (2026), with the KOSDAQ posting a gain of +6.97% to 854.47 while the KOSPI added +0.65% to settle at 6,299.66.The KOSPI ranged 161.61 points intraday (6,232.45–6,394.06, a 2.59% swing), while the KOSDAQ swung 47.72 points (807.66–855.3
Monday, August 10 (2026): the KOSDAQ posted a +4.08% gain — closing at 831.38 — while the KOSPI added just +0.41% to finish at 6,284.12, with the gap between the two the defining feature of the morning session.Intraday, the KOSPI printed a session high of 6,394.06 in the opening minutes before retre
The KOSPI opened at 6,292 on Monday, August 10 (2026), briefly spiked to a session high of 6,394 at 09:13 before reversing sharply, and was trading near 6,297 at 10:00 — still above Friday’s close but well off the morning peak.The KOSDAQ traced a different path: it found its low of 807.66 at the ope
The Philadelphia Semiconductor Index closed up 2.56% on Friday, August 7 (2026), while the S&P 500 added 0.62% and the Nasdaq rose 1.30% — giving Korean equities a constructive overnight backdrop as Monday’s session, August 10 (2026), approaches.At the same time, the 2026-regime day-of-week record f