AMKR stock forecast, quote, news & analysis

Key Takeaways

• Amkor Technology shares have fallen roughly 27.6% over the last 30 days, sliding from a $54.59 close on September 22, 2026, to a most recent trading price near $39.53.
• The decline extends a longer drawdown: the stock is down about 39% over the trailing three-month period from the mid-$60s level seen in late July.
• Near-term pressure has been driven by cautious forward guidance, the migration of system-in-package (SiP) production to Vietnam, and memory supply constraints.
• The longer-term narrative remains anchored to advanced packaging demand, AI data-center growth, and strategic partnerships with TSMC (TSM) and NVIDIA (NVDA).
• Amkor's next quarterly earnings report, expected in late October 2026, and its forward guidance are the primary near-term catalysts for the stock.
• For a deeper look at this ticker, explore Amkor's Price Targets, Earnings, and Forecast pages.
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Amkor Technology (AMKR) Company Overview and Market Position

Amkor Technology is one of the world's largest providers of outsourced semiconductor assembly and test (OSAT) services. The company packages and tests integrated circuits for a broad base of customers, ranging from fabless chip designers and integrated device manufacturers to foundries and original equipment manufacturers. Its capabilities span advanced packaging technologies—including flip chip, 2.5D integration, high-density fan-out (HDFO), wafer-level processing, and memory packaging—as well as mainstream wirebond assembly and test services.

Amkor occupies a strategically important position in the semiconductor supply chain, particularly as advanced packaging becomes a critical enabler of AI and high-performance computing. Investors follow the stock closely because of its exposure to AI data-center demand, its partnerships with industry leaders such as TSMC and NVIDIA, and its large-scale U.S. expansion plans centered on a multi-billion-dollar advanced packaging facility in Arizona.

Amkor Technology (AMKR) Stock Price Performance: Last 30 Days vs. Quarter

Over the last 30 days, Amkor shares have declined approximately 27.6%, falling from a closing price of $54.59 on September 22, 2026, to a most recent trading level near $39.53. The move has been characterized by a sharp leg lower in early-to-mid October, punctuated by several consecutive down sessions and a break below key short- and medium-term moving averages.

The decline is part of a broader, longer-running downtrend. Over the trailing three-month period, the stock has lost roughly 39%, sliding from the mid-$60s level in late July. After a brief recovery into late September and early October—when shares briefly traded back above $56—selling pressure reasserted itself, and the stock has since fallen to new multi-month lows.

What Drove AMKR Stock Price in the Last 30 Days

Several factors have weighed on Amkor shares during the most recent 30-day period. Broader market conditions played a role, as semiconductor stocks faced headwinds from rising inflation concerns and renewed worries about near-term revenue outlooks across the sector. This sector-wide rotation amplified downward pressure on a stock that was already in a corrective phase.

Positioning ahead of Amkor's upcoming quarterly results also contributed to volatility. Options activity showed a sharp increase in put buying, with a put/call ratio of roughly 2.38 reported in early October ahead of the company's third-quarter earnings release, signaling elevated hedging and cautious sentiment among traders.

Analyst activity added to the cautious tone. B. Riley lowered its price target on Amkor to $46 from $65 while maintaining a Neutral rating, citing an expected in-line third-quarter result but flagging potential risk in the communications segment. Insider selling also drew attention, with a board member selling a block of shares in early October under a pre-arranged 10b5-1 trading plan. Taken together, these signals reinforced a more defensive outlook in the near term.

What Drove AMKR Stock Performance Over the Last Quarter

The quarterly decline traces back to Amkor's second-quarter earnings report, released in late July 2026. The company delivered record revenue of $1.90 billion, up roughly 26% year over year, and adjusted earnings per share of $0.70, well above consensus estimates. Despite the top- and bottom-line beats, shares sold off sharply because third-quarter revenue guidance came in below analyst expectations.

Management attributed the softer near-term outlook to the migration of SiP production from Korea to Vietnam, a transition expected to create timing headwinds into early 2027, as well as memory supply constraints and weaker communications demand. These execution-related challenges overshadowed an otherwise strong story built on advanced packaging momentum, improving factory utilization, and expanding gross margins.

Over the quarter, the market has grappled with a tension between Amkor's compelling long-term AI opportunity—underscored by a 10-year advanced packaging agreement with TSMC and a multi-year collaboration with NVIDIA—and persistent near-term transition costs and end-market softness. That tension has kept the stock under pressure even as the company's fundamentals have continued to improve on a year-over-year basis.

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AMKR Stock Forecast Drivers: What Investors Should Watch Next

The most important near-term catalyst for Amkor is its third-quarter earnings report and fourth-quarter guidance, expected in late October 2026. Investors will focus on the pace of the computing segment's ramp, the trajectory of gross margins, and any updated commentary on the SiP transition to Vietnam and memory supply constraints.

Beyond earnings, key factors to monitor include progress on the Arizona facility construction timeline, the ramp of high-density fan-out and 2.5D programs for AI data-center customers, and the evolution of Amkor's partnerships with TSMC and NVIDIA. Macroeconomic conditions, semiconductor demand trends, and any shifts in analyst ratings or price targets will also influence sentiment. As with any equity, these factors carry both upside and downside risks, and outcomes are not guaranteed.

Disclaimer

The information on this webpage is provided for general informational and educational purposes only and is not intended as investment advice, a recommendation to purchase or sell any security, or an offer or solicitation related to investments. It does not consider your personal financial situation, goals, or risk profile, and all investing carries inherent risks, including the possibility of losing your entire investment. For more details, please review our full disclaimer.

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