Index Rebalance

MS-South Korea Index Earning Revision (May): ECOPRO, HD HYUNDAI, SK, SKSQUARE, SK Innovation

31 May 2026 By Ke Yan, CFA
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Abstract: We analyzed the earnings revision of MS-South Korea index constituents for May 2026, with the index rising 37% from 2,279 to 3,131 and the 2026E consensus EPS increasing 13% month-on-month to 314.1 from 277.1. Individual stock EPS revisions contributed an estimated 37.5 won to the index EPS change, with 43 stocks revised up versus 27 revised down. On index EPS impact, Samsung Electronics led with +12 won contribution (EPS +14.9%), followed by SK Hynix at +11 won (driven by weight drift), and SK SQUARE at +7.0 won (EPS +45.7%). On standalone EPS revision, the top gainers were ECOPRO (+198%), SK (+169%), and SK Innovation (+130%), while the sharpest cuts were at LG Energy Solution (-42.6%), Korean Air Lines (-38.5%), and LG Chem (-26.8%).

LG Energy Solution (373220 KS) ECOPRO (086520 KS) HD HYUNDAI (267250 KS) SK (034730 KS) SKSQUARE (402340 KS) S-Oil (010950 KS)

Highlighted Stocks

LG Energy Solution, ECOPRO, HD HYUNDAI, SK, SKSQUARE, S-Oil

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