2026-07-30 Korea Trading Journal — Kosho
Key takeaways
- 582 closed trades, win rate 45.7%, expectancy +0.18% per trade.
- Profit factor 1.14 · avg win +3.25% vs avg loss -2.40% (R:R 1.35).
- Best +14.30% / worst -5.66% — every closed trade counted, losses included.
Metrics
| Metric | Value |
|---|---|
| Closed trades | 582 (266W / 316L) |
| Win rate | 45.7% |
| Expectancy / trade | +0.18% |
| Profit factor | 1.14 |
| Avg win / avg loss | +3.25% / -2.40% |
| Best / worst | +14.30% / -5.66% |
Recap
The day saw 582 closed trades, resulting in a win rate of 45.7%. The positive expectancy of +0.18% per trade, supported by a profit factor of 1.14, indicates that the average winning trade (+3.25%) has been sufficiently larger than the average losing trade (-2.40%). Notable successes included significant gains in 야스 (255440) at +14.30%, 에스앤디 (260970) at +11.19%, and SK케미칼 (285130) at +11.01%: 
. Conversely, the losses were concentrated in names such as LS (006260) at -5.45%, LG생활건강 (051900) at -5.39%, and 더블유씨피 (393890) at -5.16%.
Observations
The spread between the best outcome (+14.30%) and the worst outcome (-5.66%) suggests a wide dispersion in realized returns across the sampled trades. The structure of the outcomes shows that while several profitable trades were executed, the frequency of losses, though smaller in magnitude than the best wins, was consistent. This pattern suggests that while identifying high-conviction winners is possible, managing the frequency of smaller negative deviations remains a key area of focus 
.
For Next Time
The trades that resulted in losses, particularly those in LS (006260) and LG생활건강 (051900), highlight that even when sector momentum appears present, individual stock-specific resistance or flow reversals can quickly negate gains. The consistent pattern of losses around the -5% mark, despite the overall positive expectancy, suggests that the risk parameters around established names need careful review 
.
This research note is for informational analysis only 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 | 야스(255440) | 3,859 | 4,411 | +14.30% | 17.8h | 07-29 15:15 → 07-30 09:05 |
| win | 에스앤디(260970) | 48,248 | 53,646 | +11.19% | 18.8h | 07-29 14:50 → 07-30 09:35 |
| win | SK케미칼(285130) | 36,086 | 40,060 | +11.01% | 20.9h | 07-29 13:45 → 07-30 10:40 |
| win | HD한국조선해양(009540) | 333,833 | 367,632 | +10.12% | 18.2h | 07-29 15:20 → 07-30 09:35 |
| win | LG생활건강(051900) | 262,262 | 288,711 | +10.08% | 19.1h | 07-29 14:00 → 07-30 09:05 |
| loss | LS(006260) | 247,247 | 233,766 | -5.45% | 2.4h | 07-30 09:40 → 07-30 12:05 |
| loss | LG생활건강(051900) | 307,807 | 291,208 | -5.39% | 1.0h | 07-30 09:40 → 07-30 10:40 |
| loss | 더블유씨피(393890) | 6,046 | 5,734 | -5.16% | 0.4h | 07-30 09:40 → 07-30 10:05 |
| loss | 두산테스나(131970) | 57,157 | 54,246 | -5.09% | 18.2h | 07-29 14:50 → 07-30 09:05 |
| loss | 서전기전(189860) | 3,498 | 3,322 | -5.03% | 18.1h | 07-29 15:00 → 07-30 09:05 |
Full data — all 582 closed trades: CSV download · or query live via OneQAZ MCP.
Related
- All-time track record: /track-record/all-time/
As of 2026-07-30 (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)