TOP TIERMARKET NEWSWIRE
Movers explained · 2026-07-21

Archived explainer. For the current picture see today's SKHY page.

Why Is SK HYNIX INC ADR (SKHY) Stock Up Today?

By the Top Tier Newswire AI Desk · July 21, 2026 at 9:36 PM ET · reviewed against 16 wire stories

SK HYNIX INC ADR (SKHY) is up +13.75% in the latest session. Our newswire has captured 16 stories on SKHY across 11 sources in the last 36 hours, with AI sentiment reading bullish (avg 63/100).

SKHY stock is up 13.75% at $171.94 after a sharp rebound in the memory and AI semiconductor sector. The move follows a broader rally in chip stocks driven by renewed demand for AI infrastructure and improved guidance from key industry players. SK Hynix’s recent secondary listing on the Nasdaq and its strong position in high-bandwidth memory (HBM) have further fueled investor optimism.

What Happened

The stock opened with a 6.8% gap up at $161.51 and climbed steadily throughout the session. By the close, it had reached a high of $174.90. The move is part of a broader trend in the semiconductor sector, where memory and storage stocks have surged due to increased demand for AI-driven data center infrastructure. Micron and SanDisk also saw significant gains, reinforcing the sector-wide momentum. Analysts have noted that raised guidance from ASML, a key supplier to memory chipmakers, has added to the positive sentiment. SK Hynix’s HBM business, which accounts for 65% of its U.S. revenue, is seen as a major beneficiary of the AI boom.

What The Data Shows

SK Hynix has a market cap of $907.5B and a P/E ratio of 2.2, with trailing 12-month revenue up 85% and a net margin of 56.9%. The stock has traded between $145.57 and $194.80 over the past 52 weeks. Intraday volume reached 28.7M shares, significantly above average. Options data shows unusual activity, with $36.0M in call premiums versus $5.5M in puts, indicating strong bullish positioning. The biggest single options print was $17.6M. Over the last eight sessions, the stock has moved just 0.2%, suggesting the recent surge is a breakout from a tight consolidation phase.

What To Watch

The stock is set to continue under the spotlight as the broader AI and memory sectors evolve. Investors should monitor the company’s next earnings report and any updates on capacity expansion plans, particularly in HBM production.

AI-assisted analysis composed exclusively from headlines and data on the Top Tier newswire. Not financial advice.

SKHY by the numbers

Last: $171.94Session: +13.75%7 sessions: +0.19%Coverage: 16 stories / 11 sourcesAI sentiment: 63/100 (bullish)Mkt cap: $907.5BP/E: 2.252w: $145.57 to $194.80
SKHY · Jul 21 session (5-min) · +14.51% vs prior close · updated 9:36 PM ET
$150$163$176prev close $151.16$173.107:00 AM10:13 AM1:27 PM4:41 PM7:55 PM7:00 AM · $160.807:05 AM · $160.407:10 AM · $160.737:15 AM · $160.147:20 AM · $160.177:25 AM · $159.987:30 AM · $160.457:35 AM · $161.107:40 AM · $160.807:45 AM · $161.007:50 AM · $160.667:55 AM · $160.068:00 AM · $160.408:05 AM · $160.718:10 AM · $160.618:15 AM · $160.228:20 AM · $159.828:25 AM · $159.478:30 AM · $159.258:35 AM · $160.048:40 AM · $159.418:45 AM · $160.308:50 AM · $160.558:55 AM · $160.529:00 AM · $160.139:05 AM · $160.379:10 AM · $160.019:15 AM · $160.499:20 AM · $160.409:25 AM · $161.849:30 AM · $162.339:35 AM · $164.879:40 AM · $163.649:45 AM · $164.689:50 AM · $164.099:55 AM · $163.9810:00 AM · $162.7010:05 AM · $161.9810:10 AM · $163.3410:15 AM · $164.5310:20 AM · $163.9710:25 AM · $165.0010:30 AM · $164.8810:35 AM · $165.0010:40 AM · $165.0810:45 AM · $164.5210:50 AM · $165.1810:55 AM · $166.6811:00 AM · $166.8511:05 AM · $167.3811:10 AM · $168.2111:15 AM · $167.7611:20 AM · $167.7011:25 AM · $168.2511:30 AM · $167.1211:35 AM · $166.4911:40 AM · $165.9711:45 AM · $166.0611:50 AM · $165.3311:55 AM · $164.8812:00 PM · $165.7212:05 PM · $166.2512:10 PM · $165.9512:15 PM · $166.5912:20 PM · $167.0012:25 PM · $166.8112:30 PM · $166.4412:35 PM · $167.1612:40 PM · $166.6412:45 PM · $167.0412:50 PM · $168.3312:55 PM · $167.921:00 PM · $168.351:05 PM · $168.181:10 PM · $168.141:15 PM · $168.351:20 PM · $168.131:25 PM · $168.391:30 PM · $168.931:35 PM · $168.781:40 PM · $169.841:45 PM · $170.761:50 PM · $170.681:55 PM · $171.472:00 PM · $172.412:05 PM · $171.682:10 PM · $171.102:15 PM · $170.142:20 PM · $170.292:25 PM · $170.212:30 PM · $170.852:35 PM · $170.932:40 PM · $171.142:45 PM · $170.912:50 PM · $170.872:55 PM · $170.683:00 PM · $171.033:05 PM · $170.813:10 PM · $169.823:15 PM · $170.123:20 PM · $170.463:25 PM · $169.933:30 PM · $170.593:35 PM · $170.493:40 PM · $170.693:45 PM · $171.223:50 PM · $171.753:55 PM · $171.934:00 PM · $171.714:05 PM · $171.504:10 PM · $171.654:15 PM · $171.384:20 PM · $171.444:25 PM · $171.914:30 PM · $172.394:35 PM · $172.604:40 PM · $172.754:45 PM · $172.384:50 PM · $172.804:55 PM · $173.435:00 PM · $173.625:05 PM · $173.755:10 PM · $173.845:15 PM · $174.375:20 PM · $174.335:25 PM · $174.695:30 PM · $174.455:35 PM · $174.065:40 PM · $174.155:45 PM · $173.875:50 PM · $173.505:55 PM · $173.006:00 PM · $172.956:05 PM · $172.226:10 PM · $173.176:15 PM · $173.126:20 PM · $172.216:25 PM · $172.536:30 PM · $172.906:35 PM · $173.196:40 PM · $173.096:45 PM · $173.146:50 PM · $173.606:55 PM · $173.187:00 PM · $172.317:05 PM · $172.607:10 PM · $173.007:15 PM · $173.307:20 PM · $173.107:25 PM · $172.887:30 PM · $172.797:35 PM · $172.727:40 PM · $172.387:45 PM · $172.387:50 PM · $172.417:55 PM · $173.10
AI sentiment, last 36h · averaged over 16 stories · 63/100 bullish
AI sentiment 63/100 (bullish)0 · bearish50bullish · 100

The headlines behind the move

Story flow · 8 stories on the wire, last 36h · hover or tap a dot for the headline
36h ago24h ago12h agopublishBarchart · sentiment 50 · SKHY Options Data Summary for SK hynix IncBarchart · 50SKHY Options Data Summary for SK hynix IncInvesting.com Markets · sentiment 50 · Why is SK hynix stock surging today?Investing.com Markets · 50Why is SK hynix stock surging today?Seeking Alpha · sentiment 73 · Chip stocks climb across the board, led by strong gains in memory and storageSeeking Alpha · 73Chip stocks climb across the board, led by strong gains in memory and storageYahoo Top · sentiment 73 · SK Hynix’s HBM Empire Powers 65% US Revenue — Is This the Must-Own AI Stock?Yahoo Top · 73SK Hynix’s HBM Empire Powers 65% US Revenue — Is This the Must-Own AI Stock?Barchart · sentiment 63 · Wedbush Believes Increased Guidance From ASML Bodes Well for SK Hynix. How to Play SKHY Stock Here.Barchart · 63Wedbush Believes Increased Guidance From ASML Bodes Well for SK Hynix. How to Play SKHY S…The Motley Fool · sentiment 73 · Prediction: This Artificial Intelligence (AI) Chip Stock Is the Biggest Winner From the $26.5 Billion SK Hynix IPO (Hint: It's Not Nvidia)The Motley Fool · 73Prediction: This Artificial Intelligence (AI) Chip Stock Is the Biggest Winner From the $…TipRanks · sentiment 73 · MU, SNDK, SKHY: Memory Stocks Rip Higher as Key Names Lead a Buy-the-Dip ComebackTipRanks · 73MU, SNDK, SKHY: Memory Stocks Rip Higher as Key Names Lead a Buy-the-Dip ComebackInvestors.com · sentiment 73 · Newly Public Memory Chipmaker SK Hynix Soars Nearly 14%, Leads 18 To Today's Best Stock ListsInvestors.com · 73Newly Public Memory Chipmaker SK Hynix Soars Nearly 14%, Leads 18 To Today's Best Stock L…
8d agoInvestors.comBULLISH 73Earnings

Newly Public Memory Chipmaker SK Hynix Soars Nearly 14%, Leads 18 To Today's Best Stock Lists

8d agoTipRanksBULLISH 73General

MU, SNDK, SKHY: Memory Stocks Rip Higher as Key Names Lead a Buy-the-Dip Comeback

Micron Technology ($MU), SanDisk ($SNDK), and SK Hynix ($SKHY) jumped more than 12% on Tuesday as the AI memory sector staged a sharp buy‑the‑dip rebound. This surg...

8d agoThe Motley FoolBULLISH 73General

Prediction: This Artificial Intelligence (AI) Chip Stock Is the Biggest Winner From the $26.5 Billion SK Hynix IPO (Hint: It's Not Nvidia)

SK Hynix recently completed a $26.5 billion secondary listing on the Nasdaq.

8d agoBarchartBULLISH 63Analyst

Wedbush Believes Increased Guidance From ASML Bodes Well for SK Hynix. How to Play SKHY Stock Here.

Analysts believe the raised revenue outlook is good news for memory chipmakers.

8d agoYahoo TopBULLISH 73Product/PR

SK Hynix’s HBM Empire Powers 65% US Revenue — Is This the Must-Own AI Stock?

The artificial intelligence revolution has transformed the semiconductor landscape in ways few predicted even two years ago. What started as hype around chatbots has become a voracious appetite for data center infrastructure, where memory chips — especially high-bandwidth memory, or HBM — serve as the critical bridge between processors and massive datasets. Global memory demand ... SK Hynix’s HBM Empire Powers 65% US Revenue — Is This the Must-Own AI Stock?

8d agoSeeking AlphaBULLISH 73Product/PR

Chip stocks climb across the board, led by strong gains in memory and storage

Semiconductor stocks surge as memory and AI demand lift Micron, SK hynix, AMD and Intel. Get key market movers, catalysts and what to watch next.

8d agoInvesting.com MarketsNEUTRAL 50General

Why is SK hynix stock surging today?

Why is SK hynix stock surging today?

8d agoBarchartNEUTRAL 50General

SKHY Options Data Summary for SK hynix Inc

SK hynix Inc (SKHY) Options Summary, Volatility, Trend, Expected Move, and Put/Call Ratios to spot long and short option trends.

Want the next move before the crowd? The live terminal streams every headline in real time with watchlist alerts, AI sentiment, and the full data stack behind this page.Get Pro Access →

More on SKHY: full news and sentiment history. Sentiment scores are AI-derived research signals, not financial advice.

Earlier SKHY move explainers: 2026-07-29 · 2026-07-28 · 2026-07-27 · 2026-07-24 · 2026-07-23 · 2026-07-22 · 2026-07-21 · 2026-07-20 · 2026-07-17 · 2026-07-16 · 2026-07-14 · 2026-07-13