NOTES & ANALYSIS

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Financial market analysis, algorithmic trading development, and engineering notes.

Market Analysis

[Morning Briefing] KOSPI Stabilizes Around 6,900 Amid 'AI Super Week' Expectations... Investor Demand Battle Continues

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.

August 23, 2026 • 4 min read

Market Analysis

08/21 Korea Market Morning Briefing — KOSPI Rebounds +5.89%, Foreigners Turn to Net Buying +1.71T KRW… Semiconductors Hold Ground Amid US Futures Decline

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%.

August 20, 2026 • 4 min read

Market Analysis

08/20 Korea Market Morning Briefing — After the Day of Sharp Fall, SK Hynix 40T KRW Buyback & Cancellation Starts

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.

August 19, 2026 • 7 min read

Market Analysis

General Mills (GIS) In-Depth Analysis — 6%+ Dividend Yield: Value Trap or Rebound?

6.1% dividend yield and peer-trough EV/EBITDA of 6.8x. In-depth analysis of FY26 impairments, FY27 EPS contraction, valuation scenarios, and 2-track execution.

August 19, 2026 • 17 min read

Market Analysis

MRNA Swing Analysis — Phase 3 Success +146% Surge: Is It Safe to Buy Now?

Historic Phase 3 success for individualized mRNA cancer vaccine triggers a +146% surge and $5B short squeeze. Technical overheating, HR risk, and 3-zone swing plan.

August 19, 2026 • 8 min read

Market Analysis

Hanwha Aerospace (012450) — August Swing Trading Plan

Following a +55% parabolic surge post-Q2 earnings surprise, stock enters an overbought digestion phase. 3-track swing framework, entry zones, and risk controls.

August 19, 2026 • 10 min read

Market Analysis

Theborn Korea (475560) In-Depth Analysis — August 19, 2026

Operating loss narrowed by 75% in Q2'26 amid 5 consecutive quarters of deficit. Deep dive into Paik's Coffee global expansion, TBK B2B sauce growth, and valuation dynamics.

August 19, 2026 • 8 min read

Market Analysis

08/18 Korea Market Morning Briefing — Wall Street Falls on US-Iran Tensions… KOSPI Settles Above 6,900 on Foreign Buying

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%.

August 17, 2026 • 6 min read

Market Analysis

US July PPI Slowdown Pushes NYSE to Record High, KOSPI Recovers Above 6,800 with Foreign and Institutional Investors' Joint Purchases

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.

August 13, 2026 • 3 min read

Market Analysis

KOSPI and KOSDAQ Rally on Export Boom... Driven by Semiconductor and Cosmetics Sectors

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.

August 11, 2026 • 3 min read

Market Analysis

08/10 Korea Market Morning Briefing — Foreign Net Selling in 4 of Last 5 Sessions… Morgan Stanley "Memory Adjustment Over" vs Ongoing Profit-Taking

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.

August 9, 2026 • 8 min read

Market Analysis

SOXX vs DRAM — Broad Semiconductor vs Memory-Concentrated ETF Peer Analysis

Comprehensive peer analysis comparing holdings, beta (1.48x), volatility, fund flows, and portfolio positioning strategies between iShares Semiconductor ETF (SOXX) and Roundhill Memory ETF (DRAM).

August 4, 2026 • 16 min read

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