2026-09-15 Korea Trading Journal — Kosho
Key takeaways
- 131 closed trades, win rate 59.5%, expectancy +1.18% per trade.
- Profit factor 1.86 · avg win +4.30% vs avg loss -3.41% (R:R 1.26).
- Best +28.59% / worst -7.64% — every closed trade counted, losses included.
Metrics
| Metric | Value |
|---|---|
| Closed trades | 131 (78W / 53L) |
| Win rate | 59.5% |
| Expectancy / trade | +1.18% |
| Profit factor | 1.86 |
| Avg win / avg loss | +4.30% / -3.41% |
| Best / worst | +28.59% / -7.64% |
Recap
The day’s closed trading activity showed a positive expectancy of +1.18% per trade, supported by a profit factor of 1.86. The win rate stood at 59.5%, indicating that the average winning trade (+4.30%) was significantly larger than the average losing trade (-3.41%). Notable gains included significant appreciation in 삼현 (437730) at +28.59% and SFA (056190) at +15.17%, suggesting successful captures of strong directional moves in specific names. Conversely, the losses were marked by positions such as 두산테스나 (131970) at -7.64% and HD현대 (267250) at -6.90%, which represent the primary drag on the overall daily performance. 
Lessons from Outcomes
The negative outcomes, particularly the declines observed in HD현대 (267250) and 우리기술 (032820), highlight the importance of managing exposure when broader sector momentum falters. The magnitude of the losses, while smaller than the best gain, suggests that the underlying catalysts for those specific names were not sustained through the trading period. It is clear that while identifying high-potential names is valuable, the execution must account for potential mean reversion or sudden shifts in sentiment within established large-cap holdings. 
For Next Time
The overall metrics suggest that the positive skew between average wins and average losses provided a solid foundation for the day’s net result. The performance confirms that capitalizing on outsized moves, as seen with 삼현 (437730), remains a key component of the observed profitability. The focus remains on maintaining the discipline to realize gains when they materialize, while respecting the downside risk demonstrated by the losing trades. 
Notable trades (top 5 wins · top 5 losses)
| Result | Symbol | Buy | Sell | P&L | Held | Entry → Exit (KST) |
|---|---|---|---|---|---|---|
| win | 삼현(437730) | 40,941 | 52,647 | +28.59% | 19.7h | 09-14 14:35 → 09-15 10:15 |
| win | SFA(056190) | 24,374 | 28,072 | +15.17% | 25.0h | 09-14 09:15 → 09-15 10:15 |
| win | 원익홀딩스(030530) | 22,022 | 25,075 | +13.86% | 25.1h | 09-14 09:10 → 09-15 10:15 |
| win | 에스피지(058610) | 92,392 | 105,095 | +13.75% | 25.0h | 09-14 09:15 → 09-15 10:15 |
| win | 한라캐스트(125490) | 10,250 | 11,498 | +12.18% | 24.6h | 09-14 09:40 → 09-15 10:15 |
| loss | 두산테스나(131970) | 84,584 | 78,122 | -7.64% | 21.5h | 09-14 12:45 → 09-15 10:15 |
| loss | HD현대(267250) | 249,749 | 232,517 | -6.90% | 24.8h | 09-14 09:25 → 09-15 10:10 |
| loss | 우리기술(032820) | 14,254 | 13,357 | -6.29% | 21.9h | 09-14 12:25 → 09-15 10:20 |
| loss | 아이티센글로벌(124500) | 32,883 | 31,019 | -5.67% | 19.8h | 09-14 14:25 → 09-15 10:15 |
| loss | GS리테일(007070) | 25,876 | 24,476 | -5.41% | 20.1h | 09-14 14:05 → 09-15 10:10 |
Full data — all 131 closed trades: CSV download · or query live via OneQAZ MCP.
Related
- All-time track record: /track-record/all-time/
As of 2026-09-15 (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:
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