Abstract: We analyzed the EPS revision of MS-South Korea index constituents for April 2026, with the index rising 34% from 1,703 to 2,279 and the 2026E index EPS increasing 24% month-on-month from ₩223.2 to ₩276.4, with 40 stocks revised up versus 33 revised down. Individual stock EPS revisions contributed an estimated ₩72.1 to the index EPS change, led by SK Hynix (+₩28.8 index EPS impact, EPS +40.1%) and Samsung Electronics (+₩24.9 index EPS impact, EPS +38.7%), while SK Square (-₩1.96), KEPCO (-₩0.35), and Korean Air Lines (-₩0.30) were the largest negative contributors. On a stock-level basis, the largest EPS upgrades were SK Innovation (+79.3%), Samsung SDI (+48.9%), and SK Hynix (+40.1%), while Korean Air Lines (-48.9%), HYBE (-29.1%), and LG Energy Solution (-25.4%) saw the steepest EPS cuts. Revenue estimates were also broadly lifted, with SK Hynix (+28.7%), Samsung Electronics Preferred (+18.1%), and Samsung Electronics (+16.8%) leading on the upside, and Alteogen (-5.1%) and Samsung Biologics (-3.8%) among the few with revenue downgrades.
LG Energy Solution, KEPCO, SKSQUARE, Samsung Elec (PREF), SK Innovation, Samsung SDI
A monthly review of consensus earnings revisions for MSCI South Korea constituents. Each issue estimates how the index's forward EPS changed over the month, and tabulates the stocks with the largest impact on index EPS alongside their EPS and revenue revisions. All issues of Index Earnings Revision Monthly →
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