006400 - SAMSUNG SDI CO.,LTD

006400 Summary

Batteries

Stock Price & Overview

₩548,000 +9,000 (+1.67%) Close · Sep 4, 2026 KST

KOSPI | ₩KRW | Close: ₩548,000 ≈ US$391 · Market cap ₩44.2tn (≈ $31.5bn)

What kstock analysis is. It reads the Korean news and the DART filing, checks the numbers against the source, and explains what changed and what to watch. It does not issue buy, sell or hold ratings and it does not set price targets. Why not »

006400 Analysis

Samsung SDI: One Profitable Quarter After Five Losses, And The Tax Line Did A Lot

Samsung SDI Co., Ltd. (KRX:006400) reported operating income of ₩203.8bn in Q2 2026, its first positive operating quarter after six straight losses totalling ₩2.13tn.

kstock researchAug 28, 2:55 PMTurnaroundSave

Samsung SDI: The ₩16tn Ulsan Plan Puts LFP And Sodium In A Premium Company

Samsung SDI Co., Ltd. (KRX:006400) disclosed on July 3 a mid-to-long-term plan of about ₩16tn to build mass production of all-solid-state, LFP and sodium batteries at Ulsan.

kstock researchAug 28, 2:54 PMLFPSave

Samsung SDI: Buying Out GM Turns A Paused EV Plant Into A Grid Battery Bet

Samsung SDI Co., Ltd. (KRX:006400) resolved on August 11 to end its joint venture with General Motors and buy GM's 49.99% of SDI-GM Synergy Cells Holdings, taking the New Carlisle, Indiana plant to full ownership.

kstock researchAug 28, 2:53 PMJoint ventureSave

3 pieces. Written with AI assistance from Korean-language sources; each links the article it rests on.

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What a US investor should know

Trading hours09:00–15:30 KST — 20:00–02:30 US Eastern the night before.
Daily limitKorean stocks can move at most ±30% in a session before trading halts.
Getting exposureKRX shares are not directly tradable in most US brokerage accounts. The usual routes are Korea ETFs or an international account.
ReportingKorean issuers file to DART, not the SEC. Half-year and quarterly reports land about 45 days after period end.