000660 - SK hynix Inc.

000660 Summary

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Stock Price & Overview

₩1,678,000 +7,000 (+0.42%) 3:30 PM 08/25/26 KST

KOSPI | ₩KRW | Close: ₩1,678,000 ≈ US$1,199 · Market cap ₩1,225.8tn (≈ $875.5bn)

Every name gets a line. A US reader knows who AMD and Broadcom are. Almost nobody outside Korea knows what Hanmi Semiconductor makes — so the table says so, in the row.

000660 Peer Comparison

Company	Price	1M	Market cap	P/E
Samsung Electronics 005930 The other Korean memory maker; also phones and foundry.	₩142,900	+1.8%	₩842.1tn	16.2x
SK hynix 000660 This company.	₩1,678,000	+0.4%	₩1,225.8tn	28.5x
Hanmi Semiconductor 042700 Makes the bonders that stack HBM dies. Sells to SK hynix.	₩186,300	+3.1%	₩18.1tn	41.7x
Leeno Industrial 058470 Test probes and sockets used in memory testing.	₩312,500	−0.6%	₩4.8tn	22.4x
Wonik IPS 240810 Deposition and etch equipment for memory fabs.	₩41,250	+2.2%	₩2.0tn	19.8x

Illustrative set while coverage is being built out.

Similar to 000660

Symbol	Last Price
005930Samsung Electronics	₩142,900 +1.8%
042700Hanmi Semiconductor	₩186,300 +3.1%
058470Leeno Industrial	₩312,500 −0.6%
240810Wonik IPS	₩41,250 +2.2%

Compare

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. SK hynix has no US ADR; 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.