Biggest Korean stock gainers over the past year
Data as of Oct 28, 2026
KOSPI and KOSDAQ companies worth at least ₩100B that rose the most over the past 12 months.
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Updated after each trading day. A list based on data, not a recommendation to buy or sell anything.
Questions people ask
Which Korean stock rose the most over the past year?
As of Oct 28, 2026, Sungho Electronics (043260) rose the most over the past 12 months, up 1,724.5%, among companies worth at least ₩100B.
Are past gains a reason to buy?
No. Past price moves don't tell you what happens next. This list is information, not a recommendation.
Source: KRX statistical information