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May 21, 2026
Amkor Technology (AMKR) Stock: -7% Over 30 Days Despite +40% Quarterly Gains

Amkor Technology (AMKR) Stock: -7% Over 30 Days Despite +40% Quarterly Gains

Key Takeaways

  • Amkor Technology (AMKR) stock declined approximately 7% over the past 30 days amid post-earnings volatility and broader market sentiment shifts.
  • Over the past quarter, the stock rose more than 40%, driven by strong first-quarter results and sustained demand in advanced packaging.
  • Key 30-day drivers included a mixed reaction to Q1 earnings, expansion announcements in Arizona, and insider share sales.
  • Quarterly gains reflected record revenue growth, AI-related demand, and multiple analyst price target increases.
  • Macro factors such as semiconductor sector trends and capital expenditure plans influenced overall price movement.
  • Investors should monitor upcoming guidance, industry demand signals, and financing activities for future direction.

Amkor Technology (AMKR) Company Overview and Market Position

Amkor Technology, Inc. is a leading provider of outsourced semiconductor packaging and test services. The company operates a global network of facilities that assemble, package, and test integrated circuits for customers in the communications, computing, automotive, and consumer electronics sectors. Its business model focuses on advanced packaging technologies, including solutions for artificial intelligence and high-performance computing applications. This positioning in the semiconductor supply chain exposes AMKR to cyclical demand patterns and capital-intensive investments, which help explain recent stock price fluctuations tied to earnings beats and expansion news.

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

Over the last 30 days, AMKR shares fell roughly 7%, moving from approximately 72 to 67. The decline occurred in a volatile trading range with no single sustained trend, reflecting profit-taking after earlier gains. In contrast, the stock advanced more than 40% over the past quarter, rising from around 48 to 67. This quarterly performance featured steady upward momentum supported by positive earnings momentum and sector tailwinds, though punctuated by short-term pullbacks. To get a broader view, I also checked this using Tickeron’s AI Screener to see how the stock compares to others in the industry.

What Drove AMKR Stock Price in the Last 30 Days

The 30-day decline was primarily influenced by a post-earnings reaction following the April 27 release of first-quarter results. Despite beating estimates with record revenue of $1.68 billion, the stock initially dropped as investors focused on near-term supply constraints and elevated capital expenditures. Additional pressure came from reports of insider share sales and mixed analyst sentiment on valuation. Positive developments, such as the announcement of an additional 67-acre land purchase in Arizona to expand U.S. advanced packaging operations and the declaration of a quarterly dividend, provided some support but were insufficient to offset broader selling. Sector-wide technology rotation and profit-taking after strong prior gains also contributed to the downward price movement. One thing that stands out here is how quickly sentiment can shift even after solid results.

What Drove AMKR Stock Performance Over the Last Quarter

Broader quarterly gains stemmed from robust first-quarter financial results that highlighted 27% year-over-year revenue growth across all end markets. Strong demand for advanced packaging tied to artificial intelligence and premium smartphones drove utilization rates higher. Multiple analyst upgrades and price target increases, including raises from firms such as Needham, Morgan Stanley, and Goldman Sachs, reinforced investor confidence. Strategic moves, including a proposed $1 billion convertible senior notes offering to fund growth initiatives, signaled management’s commitment to scaling operations. Favorable macroeconomic conditions in the semiconductor industry and sustained institutional interest in the sector amplified the cumulative upward trajectory over the three-month period. I’m watching this closely because the combination of earnings strength and analyst support created real momentum.

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AMKR Stock Forecast Drivers: What Investors Should Watch Next

Investors should monitor Amkor Technology’s second-quarter earnings release and any updates to full-year guidance for signs of sustained demand momentum. Key industry trends include advancements in advanced packaging for artificial intelligence applications and potential supply chain developments. Broader macroeconomic factors, such as interest rate movements and global semiconductor demand, will also influence sentiment. Strategic updates on the Arizona expansion and ongoing capital expenditure plans represent important catalysts, while risks include valuation concerns and potential insider activity. This is important because any shift in guidance could quickly reshape the near-term outlook for AMKR.

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.

Disclaimers and Limitations

Related Ticker: AMKR

AMKR in upward trend: price may jump up because it broke its lower Bollinger Band on July 28, 2026

AMKR may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options. In of 37 cases where AMKR's price broke its lower Bollinger Band, its price rose further in the following month. The odds of a continued upward trend are .

Price Prediction Chart

Technical Analysis (Indicators)

Bullish Trend Analysis

The RSI Oscillator points to a transition from a downward trend to an upward trend -- in cases where AMKR's RSI Indicator exited the oversold zone, of 28 resulted in an increase in price. Tickeron's analysis proposes that the odds of a continued upward trend are .

The Stochastic Oscillator shows that the ticker has stayed in the oversold zone for 4 days. The price of this ticker is presumed to bounce back soon, since the longer the ticker stays in the oversold zone, the more promptly an upward trend is expected.

Following a 3-day Advance, the price is estimated to grow further. Considering data from situations where AMKR advanced for three days, in of 324 cases, the price rose further within the following month. The odds of a continued upward trend are .

Bearish Trend Analysis

The Momentum Indicator moved below the 0 level on August 18, 2026. You may want to consider selling the stock, shorting the stock, or exploring put options on AMKR as a result. In of 94 cases where the Momentum Indicator fell below 0, the stock fell further within the subsequent month. The odds of a continued downward trend are .

The Moving Average Convergence Divergence Histogram (MACD) for AMKR turned negative on August 25, 2026. This could be a sign that the stock is set to turn lower in the coming weeks. Traders may want to sell the stock or buy put options. Tickeron's A.I.dvisor looked at 49 similar instances when the indicator turned negative. In of the 49 cases the stock turned lower in the days that followed. This puts the odds of success at .

Following a 3-day decline, the stock is projected to fall further. Considering past instances where AMKR declined for three days, the price rose further in of 62 cases within the following month. The odds of a continued downward trend are .

The Aroon Indicator for AMKR entered a downward trend on August 07, 2026. This could indicate a strong downward move is ahead for the stock. Traders may want to consider selling the stock or buying put options.

Fundamental Analysis (Ratings)

The Tickeron Valuation Rating of (best 1 - 100 worst) indicates that the company is slightly undervalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (2.586) is normal, around the industry mean (7.811). P/E Ratio (21.704) is within average values for comparable stocks, (150.725). AMKR's Projected Growth (PEG Ratio) (0.000) is very low in comparison to the industry average of (1.450). Dividend Yield (0.007) settles around the average of (0.006) among similar stocks. P/S Ratio (1.619) is also within normal values, averaging (31.247).

The Tickeron PE Growth Rating for this company is (best 1 - 100 worst), pointing to consistent earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.

The Tickeron Price Growth Rating for this company is (best 1 - 100 worst), indicating fairly steady price growth. AMKR’s price grows at a lower rate over the last 12 months as compared to S&P 500 index constituents.

The Tickeron SMR rating for this company is (best 1 - 100 worst), indicating strong sales and a profitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.

The Tickeron Profit vs. Risk Rating rating for this company is (best 1 - 100 worst), indicating that the returns do not compensate for the risks. AMKR’s unstable profits reported over time resulted in significant Drawdowns within these last five years. A stable profit reduces stock drawdown and volatility. The average Profit vs. Risk Rating rating for the industry is 66, placing this stock worse than average.

Notable companies

The most notable companies in this group are Lam Research Corp (NASDAQ:LRCX), Applied Materials (NASDAQ:AMAT), KLA Corporation (NASDAQ:KLAC), Teradyne (NASDAQ:TER), Ambarella (NASDAQ:AMBA).

Industry description

The electronic production equipment industry makes equipment used to produce semiconductors. Such equipment includes wafer fabrication, plasma etching and photo-resist processing equipment. The industry also makes chemical vapor deposition processing systems and photomasks, which are high-purity quartz plates that contain patterns to define integrated circuits layouts. Applied Materials, Inc., Lam Research Corporation, and KLA-Tencor Corporation are examples of electronic production equipment manufacturing companies.

Market Cap

The average market capitalization across the Electronic Production Equipment Industry is 62.81B. The market cap for tickers in the group ranges from 555.66K to 672.69B. ASML holds the highest valuation in this group at 672.69B. The lowest valued company is AVSR at 555.66K.

High and low price notable news

The average weekly price growth across all stocks in the Electronic Production Equipment Industry was -5%. For the same Industry, the average monthly price growth was 6%, and the average quarterly price growth was 21%. ASYS experienced the highest price growth at 2%, while SMTK experienced the biggest fall at -98%.

Volume

The average weekly volume growth across all stocks in the Electronic Production Equipment Industry was -32%. For the same stocks of the Industry, the average monthly volume growth was -38% and the average quarterly volume growth was -51%

Fundamental Analysis Ratings

The average fundamental analysis ratings, where 1 is best and 100 is worst, are as follows

Valuation Rating: 63
P/E Growth Rating: 35
Price Growth Rating: 49
SMR Rating: 73
Profit Risk Rating: 65
Seasonality Score: -23 (-100 ... +100)
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General Information

a provider of outsourced semiconductor packaging and test services

Industry ElectronicProductionEquipment

Profile
Details
Industry
Semiconductors
Address
2045 East Innovation Circle
Phone
+1 480 821-5000
Employees
30800
Web
https://www.amkor.com
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