2026-07-31 Korea Trading Journal — Kosho
Key takeaways
- 315 closed trades, win rate 69.2%, expectancy +3.70% per trade.
- Profit factor 6.57 · avg win +6.31% vs avg loss -2.16% (R:R 2.92).
- Best +30.40% / worst -7.57% — every closed trade counted, losses included.
Metrics
| Metric | Value |
|---|---|
| Closed trades | 315 (218W / 97L) |
| Win rate | 69.2% |
| Expectancy / trade | +3.70% |
| Profit factor | 6.57 |
| Avg win / avg loss | +6.31% / -2.16% |
| Best / worst | +30.40% / -7.57% |
Recap
The day’s closed trading activity showed a positive skew, evidenced by the 69.2% win rate and a strong profit factor of 6.57. The average winning trade significantly outweighed the average losing trade, with gains averaging +6.31% against losses averaging -2.16%. The notable gains in Samsung Electro-Mechanics and SK Square suggest participation in sectors exhibiting strong upward momentum today 
. Conversely, the losses recorded in Samyang Foods and Youngwon Trading Holdings indicate areas where the prevailing market structure did not support the initial thesis 
.
Lessons from Outcomes
The trades that resulted in losses, such as those in Samyang Foods and Pharma Research, highlight the importance of confirming breadth beyond single-stock catalysts. The magnitude of the best gain (+30.40%) relative to the worst loss (-7.57%) suggests that while identifying high-conviction names is effective, the risk management around smaller, less correlated names requires careful calibration. The disparity between the average win and average loss confirms that the successful trades captured significant upside when the market sentiment was clearly aligned 
.
For Next Time
The overall performance metrics suggest a robust capture of positive directional moves within the KOSPI ecosystem. The results confirm that when momentum themes are clearly established, the potential for substantial returns exists. The observed pattern of outperformance in specific hardware and tech-adjacent names warrants continued observation of related foreign flow indicators 
.
Note: This research note reflects the outcomes of simulated paper trading activities and does not constitute investment advice.
Notable trades (top 5 wins · top 5 losses)
| Result | Symbol | Buy | Sell | P&L | Held | Entry → Exit (KST) |
|---|---|---|---|---|---|---|
| win | 삼성전기(009150) | 874,874 | 1,140,858 | +30.40% | 19.2h | 07-30 14:35 → 07-31 09:50 |
| win | SK스퀘어(402340) | 794,794 | 1,029,969 | +29.59% | 21.4h | 07-30 12:15 → 07-31 09:40 |
| win | 엘티씨(170920) | 26,577 | 34,366 | +29.31% | 19.0h | 07-30 14:50 → 07-31 09:50 |
| win | 티에스이(131290) | 148,749 | 186,014 | +25.05% | 21.6h | 07-30 12:15 → 07-31 09:50 |
| win | 효성중공업(298040) | 1,860,859 | 2,312,685 | +24.28% | 18.8h | 07-30 14:55 → 07-31 09:40 |
| loss | 삼양식품(003230) | 1,246,245 | 1,151,847 | -7.57% | 22.0h | 07-30 11:50 → 07-31 09:50 |
| loss | 영원무역홀딩스(009970) | 204,704 | 193,107 | -5.67% | 20.7h | 07-30 13:00 → 07-31 09:40 |
| loss | 파마리서치(214450) | 349,349 | 329,670 | -5.63% | 21.9h | 07-30 11:45 → 07-31 09:40 |
| loss | 대한유화(006650) | 90,090 | 85,115 | -5.52% | 24.2h | 07-30 09:40 → 07-31 09:50 |
| loss | 현대건설(000720) | 91,591 | 86,713 | -5.33% | 2.9h | 07-31 10:00 → 07-31 12:55 |
Full data — all 315 closed trades: CSV download · or query live via OneQAZ MCP.
Related
- All-time track record: /track-record/all-time/
As of 2026-07-31 (KST).
Disclaimer: OneQAZ figures are paper-trading research, not investment advice. Past simulated performance does not predict future real-money results.
Three ways to see OneQAZ — this post is the synthesis layer:
- Live — dashboard stream (the system’s screen, 24/7)
- Synthesis — blog.oneqaz.com (daily reads · journals · track record)
- Query — OneQAZ MCP (connect an AI to live data)