daily_brief
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Blockchain/Crypto Strength, KOSPI +0.88% and KOSDAQ -4.63%
Published
Updated
Data as of
Source: Based on KOSPI/KOSDAQ close data, global market indicators, and PickStock theme price cache.
Sector Map · 2026-08-21
Sorted by change · KR red up / blue down, US green up / red down
Korea
-0.18%
-0.55%
-0.62%
-0.67%
-1.23%
-1.23%
-2.26%
-2.44%
-3.44%
-3.55%
-4.06%
US
+4.41%
+2.38%
+0.21%
-0.09%
-0.61%
-0.79%
-1.49%
-1.66%
-2.25%
-3.24%
-4.02%
PickStock AI Summary
- As of market close on 2026-08-21, KOSPI 6,912.95 (+0.88%), KOSDAQ 801.94 (-4.63%).
- Relative strength concentrated in blockchain/cryptocurrency, agritech/smartfarm, and fintech, while space/aerospace, ESS energy storage, and defense showed weakness.
- Data used passed index date and theme price cache freshness guards, and single-day signals should be reconfirmed by next-day volume and flows.
TL;DR
- KOSPI 6,912.95 (+0.88%)
- KOSDAQ 801.94 (-4.63%)
- Strong themes today: blockchain/cryptocurrency, agritech/smartfarm, fintech
This digest summarizes the Korean market close on 2026-08-21, global macro snapshots, and strength across 100 investment themes. Use it as a starting point to gauge next session open flows.
Korea Market Close
| Index | Close | Change | Change % |
|---|---|---|---|
| KOSPI | 6,912.95 | 60.37 | +0.88% |
| KOSDAQ | 801.94 | -38.95 | -4.63% |
Global Macro Snapshot
| Metric | Value | Daily Change |
|---|---|---|
| VIX (Fear Index) | 15.77 | - |
| US 10Y | 4.696% | - |
| Dollar Index (DXY) | 98.65 | - |
| KRW/USD | ₩1,380.78 | - |
| S&P 500 | 7,641.16 | - |
| NASDAQ | 26,067.17 | - |
| WTI Crude | $86.08 | - |
| Gold | $4,638.40 | - |
| Bitcoin | $79,225 | - |
Top 3 Strong Themes Today
| Rank | Theme | Avg Change | Up/Down | Leading Winners |
|---|---|---|---|---|
| 1 | Blockchain/Cryptocurrency | +1.73% | 6/8 | Marathon Digital (MARA) +15.54% |
| 2 | Agritech/Smartfarm | +1.55% | 6/2 | Deere (DE) +6.94% |
| 3 | Fintech | +1.35% | 6/3 | Coinbase (COIN) +7.58% |
Bottom 3 Weak Themes Today
| Rank | Theme | Avg Change | Up/Down | Leading Laggards |
|---|---|---|---|---|
| 1 | Space/Aerospace | -6.09% | 0/14 | KNSI&C (487400) -19.03% |
| 2 | ESS Energy Storage | -4.88% | 0/14 | Eos Energy Enterprises, Inc. (EOSEW) -13.85% |
| 3 | Defense/Defense Industry | -4.61% | 0/11 | LIG Nex1 (079550) -11.69% |
What to Watch Next
- Large caps outperformed while small caps lagged, indicating concentration of flows into top market cap names.
- KOSDAQ weakness signals risk-off behavior.
- Bottom 3 themes average -5.19%, showing focused selling in weak themes.
- Avoid basing decisions on a single trading day; combine trends of 5 trading days or more with macro changes.
Do not base trading decisions on single-day data. Assess with trends of 5 trading days or more and macro context.
Dive Deeper
- Weekly reports and insights: PickStock Insights
- How to use macro indicators: Three indicators to gauge market temperature
- Theme-related stock mindmaps: PickStock Theme Explorer
Report date: 2026-08-21. Data sources: Naver Finance, Yahoo Finance, CNN Fear & Greed. Prices were checked for outliers and date consistency. This is informational content and not investment advice.
Research path
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