2026-09-28 Korea Trading Journal — Kosho
Key takeaways
- 206 closed trades, win rate 51.5%, expectancy +0.62% per trade.
- Profit factor 1.52 · avg win +3.51% vs avg loss -2.44% (R:R 1.44).
- Best +27.19% / worst -5.17% — every closed trade counted, losses included.
Metrics
| Metric | Value |
|---|---|
| Closed trades | 206 (106W / 100L) |
| Win rate | 51.5% |
| Expectancy / trade | +0.62% |
| Profit factor | 1.52 |
| Avg win / avg loss | +3.51% / -2.44% |
| Best / worst | +27.19% / -5.17% |
Recap
The trading day saw 206 closed positions, resulting in a positive expectancy of +0.62% per trade. The performance metrics indicate a positive skew, with the average winning trade yielding +3.51% compared to an average loss of -2.44%. Notable positive outcomes included significant gains in HLB (+27.19%) and 루닛 (+18.26%), suggesting that when momentum aligns with established themes, the returns can be substantial 
. Conversely, the losses were concentrated in names such as 영풍 (-5.17%) and 한올바이오파마 (-5.04%), which accounted for the drag on overall performance.
Lessons from Outcomes
The trades that concluded at a loss, particularly those in sectors showing immediate downward pressure, highlighted the importance of filtering out transient weakness from structural shifts. The losses observed in certain cyclical or commodity-linked names suggest that mean reversion can be swift when broader market conviction falters. It is clear that while identifying high-beta opportunities is valuable, the risk management around names that fail to sustain initial upward momentum requires careful calibration 
.
Observations
The overall positive profit factor of 1.52, supported by the win rate of 51.5%, suggests that the successful captures of upside momentum are outweighing the downside exposures. The spread between the best gain (+27.19%) and the worst loss (-5.17%) underscores the potential magnitude of directional moves within the KOSPI structure when key catalysts are present.
This research note reflects the outcome of simulated trading activity 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 | HLB(028300) | 31,181 | 39,660 | +27.19% | 119.8h | 09-23 09:25 → 09-28 09:10 |
| win | 루닛(328130) | 9,790 | 11,578 | +18.26% | 143.8h | 09-22 09:20 → 09-28 09:10 |
| win | LG이노텍(011070) | 531,531 | 593,406 | +11.64% | 118.3h | 09-23 10:50 → 09-28 09:10 |
| win | OCI홀딩스(010060) | 201,701 | 223,276 | +10.70% | 116.2h | 09-23 13:00 → 09-28 09:10 |
| win | 서진시스템(178320) | 31,582 | 34,915 | +10.55% | 138.1h | 09-22 15:05 → 09-28 09:10 |
| loss | 영풍(000670) | 44,194 | 41,908 | -5.17% | 142.1h | 09-22 11:05 → 09-28 09:10 |
| loss | 한올바이오파마(009420) | 46,446 | 44,106 | -5.04% | 142.3h | 09-22 10:55 → 09-28 09:15 |
| loss | 원익IPS(240810) | 133,633 | 127,372 | -4.69% | 115.0h | 09-23 14:10 → 09-28 09:10 |
| loss | SFA(056190) | 28,629 | 27,323 | -4.56% | 143.8h | 09-22 09:20 → 09-28 09:10 |
| loss | 제이앤티씨(204270) | 24,324 | 23,227 | -4.51% | 3.9h | 09-28 11:05 → 09-28 15:00 |
Full data — all 206 closed trades: CSV download · or query live via OneQAZ MCP.
Related
- All-time track record: /track-record/all-time/
As of 2026-09-28 (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)