SK Hynix Stock Surges on Record Q3 Profit and Massive Shareholder Return Plan

Shares of SK Hynix Inc. surged 8.7% on Wednesday after the South Korean memory chip giant reported record-breaking third-quarter earnings that significantly surpassed analyst expectations and announced a substantial new shareholder return program.

Record-Breaking Earnings Beat

SK Hynix disclosed in its Q3 2026 earnings report that its operating profit soared 632% year-over-year to 83.3 trillion won. According to the report released on Wednesday, this figure was approximately 9% higher than the market consensus of 76.3 trillion won.

The company's performance marked its sixth consecutive quarter of record results. Key financial highlights include:

• Quarterly Revenue: 104.6 trillion won, the first time the company has exceeded the 100 trillion won threshold in a single quarter.
• Operating Margin: An unprecedented 80%, underscoring exceptional profitability.

Shareholder Returns and HBM4 Progress

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Fueling investor optimism, SK Hynix unveiled plans for approximately 60 trillion won in additional shareholder returns. This comes on top of roughly 40 trillion won in buybacks already executed, bringing the total for the full year to approximately 100 trillion won.

The company also provided a positive update on its next-generation High-Bandwidth Memory (HBM) products, a critical component for AI accelerators. SK Hynix confirmed that its HBM4 memory entered full-scale mass production during the third quarter and is projected to become its dominant product in the fourth quarter. Long-term agreements already cover more than half of its planned HBM4 production capacity for 2027 and 2028, signaling strong future demand.

Broader Market Impact

The chipmaker's blockbuster report lifted the broader South Korean market. The benchmark KOSPI index climbed more than 3% during Wednesday's session. Shares of competitor Samsung Electronics also rallied, reflecting positive sentiment across the semiconductor sector following SK Hynix's results.