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KOSPI Highest Operating Margin Stocks — Korean Profitability Rankings 2026
About this ranking — KOSPI Highest Operating Margin Stocks — Korean Profitability Rankings 2026
As of 2026-06-19, the top Korean KOSPI·KOSDAQ stocks by Op. Margin are SK Square Co., Ltd. (149.0%), Woori Technology Investment Co., Ltd (87.1%), Stonebridge Ventures Inc. (69.0%). Operating margin = operating income ÷ revenue. Updated daily. For absolute operating profit ranking, see the revenue or net income pages.
The table above lets you compare the full ranking alongside P/E, ROE, dividend yield and other key metrics. All values update daily based on the latest closing price and financials.
Top 10 by Op. Margin
- SK Square Co., Ltd. (402340) — Op. Margin 149.0%
- Woori Technology Investment Co., Ltd (041190) — Op. Margin 87.1%
- Stonebridge Ventures Inc. (330730) — Op. Margin 69.0%
- SHIFT UP Corporation. (462870) — Op. Margin 59.0%
- SK hynix Inc. (000660) — Op. Margin 58.6%
- Lindeman Asia Investment Co., Ltd. (277070) — Op. Margin 54.4%
- DSC Investment Inc. (241520) — Op. Margin 53.5%
- LX Holdings Corp. (383800) — Op. Margin 53.2%
- 컴퍼니케이 (307930) — Op. Margin 52.9%
- HPSP Co., Ltd. (403870) — Op. Margin 52.0%
Last updated: 2026-06-19