Son Chang-hyun
Team Leader, Independent Research P&J
Son Chang-hyun (손창현) is a team leader at the Korean independent research house P&J (독립리서치 P&J). In 2025 he co-wrote stock analyses of Korean small caps for the business magazine The Scoop (더스쿠프), and he appears as a market commentator on Maeil Business TV (매일경제TV) stock programmes and on the 815 Money Talk (815머니톡) YouTube channel. He covers a broad range of Korean listed companies, with particular attention to semiconductor materials, parts and equipment suppliers, including back-end packaging and test, as well as the memory-chip makers and consumer names such as Korean cosmetics companies.
Leaderboard rank
Open in leaderboard →| Horizon | 7D | 30D | 90D | 180D | 360D | AVG |
|---|---|---|---|---|---|---|
| Rank | #6 | #1 | — | — | — | — |
| Calls | 28 | 28 | 0/10 | 0/10 | 0/10 | 0/10 |
| Avg return | +7.2% | +31.0% | — | — | — | — |
| vs S&P 500 | +8.9 pp | +30.1 pp | — | — | — | — |
Ticker
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Best call P&L
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Showing 0 of 28 calls · sorted by mentions
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Son Chang-hyun has 28 trade ideas tracked on Buzzberg across 28 tickers since September 2026. Win rate 61% across 28 evaluated calls, average return +8.3%. Ranked #1 on Buzzberg's 30-day Authors leaderboard. Most covered: 000660.KS, 005930.KS, 033640.KQ.
Historical call returns are modeled from recorded ideas and stored prices, not actual brokerage portfolio returns. Check the evaluated call set and horizon; past results do not establish future prediction accuracy. Explore our data and methodology
