Financial market analysis, algorithmic trading development, and engineering notes.
On 8/24 KOSPI dropped 3.12% (6,696.96) on 3.67T KRW foreign selling, while KOSDAQ rebounded +1.42% as foreigners turned to net buying (+241.6B KRW). US chip stock weakness and BOK rate decision ahead.
This is the morning briefing for August 24, 2026. On August 21, the KOSPI closed at 6,912.95, approaching the 7,000-point threshold. While institutions continued with net buying, individuals showed a net selling trend. The KOSDAQ closed at 801.94. U.S. futures markets showed a slight uptrend, and semiconductor and shareholder return-related news, including SK Hynix's announcement of a KRW 40 trillion share buyback and cancellation, is attracting market attention. This information is sourced from KRX and Korea Investors Service, etc., and does not guarantee real-time data.
KOSPI closed at 6,852.58 (+5.89%) on the previous day. Foreigners turned to net buying of 1.71T KRW in spot equities, while institutions sold for 4 consecutive days. Overnight US futures declined (ES -0.8%), SK Hynix ADR up +4.4%.
KOSPI closed at 6,471.17 (-5.80%) and KOSDAQ at 824.46 (-1.17%). Foreigners net sold -3.47T KRW while retail bought +4.64T KRW. SK Hynix initiates 40T KRW share buyback and retirement.
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KOSPI reached 6,977.94 and KOSDAQ closed at 864.65. Foreign investors net bought 3,038.71B KRW on KOSPI as Moody's upgraded Korea's GDP growth forecast to 3.5%.
On August 13, 2026, the Korean market rose amid global tailwinds driven by the stability of the US July Producer Price Index (PPI). The KOSPI rose to 6,813.34 points supported by net purchases by foreign and institutional investors, while July import prices fell for the second consecutive month due to declining exchange rates and oil prices.
Driven by strong semiconductor and cosmetics exports, KOSPI and KOSDAQ indices rose simultaneously. KOSPI experienced recent volatility and closed at 6,345.53 on August 11, while KOSDAQ continued its upward trend thanks to the performance of semiconductor material, parts, and equipment (small and mid-cap) stocks. Meanwhile, global macroeconomic issues such as decreased US home transactions and reduced credit risk for Nvidia are also attracting attention.
KOSPI closed at 6,258.77 (-0.60%) and KOSDAQ at 798.81 (-0.36%). Foreign net selling of 865.1B KRW countered by institutional net buying of 585.4B KRW. Morgan Stanley declares memory adjustment over.
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