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AMKR vs TSEM
Which Stock Would AI Choose? Amkor Technology (AMKR) vs. Tower Semiconductor (TSEM) Stock Comparison
Key Takeaways
- Amkor Technology (AMKR) and Tower Semiconductor (TSEM) both operate in the semiconductor supply chain but differ in focus, with AMKR emphasizing packaging and test services while TSEM specializes in foundry manufacturing.
- TSEM has delivered stronger year-to-date and one-year returns amid AI-related expansion announcements, though it has experienced notable recent pullbacks.
- AMKR reported record quarterly revenue in the most recent period but saw its stock decline following the earnings release amid broader market reactions.
- TSEM maintains a larger market capitalization and lower debt levels compared to AMKR, which reports higher overall revenues and earnings before interest, taxes, depreciation, and amortization (EBITDA).
- Sector exposure to advanced packaging and specialized chip production positions both companies to benefit from artificial intelligence (AI) and high-performance computing demand, though with distinct risk profiles tied to capacity expansions and utilization rates.
- Relative performance highlights trade-offs between TSEM’s growth momentum and AMKR’s scale in services.
Introduction
Amkor Technology (AMKR) and Tower Semiconductor (TSEM) represent complementary segments of the semiconductor industry, making them relevant for comparison among investors and traders seeking exposure to electronics manufacturing and AI infrastructure. This analysis examines their business models, recent market activity, and positioning within the broader technology sector. Professional and retail participants monitoring relative performance, sector trends, and company-specific catalysts may find this side-by-side review useful for portfolio construction or tactical allocation decisions in the current environment.
Amkor Technology (AMKR) Overview and Recent Performance
Amkor Technology (AMKR) provides semiconductor packaging and test services, supporting a wide range of end markets including communications, automotive, and consumer electronics. In recent market activity, the company reported record second-quarter 2026 net sales of $1.90 billion, representing a 26% year-over-year increase, with strong contributions from higher factory utilization and an improved product mix. The results exceeded analyst expectations; however, shares declined following the release. Over recent weeks, broader semiconductor demand tied to AI and high-performance computing has supported sentiment, though near-term guidance and competitive dynamics have influenced price behavior. Year-to-date returns stand at approximately 27%, reflecting measured appreciation amid sector volatility.
Tower Semiconductor (TSEM) Overview and Recent Performance
Tower Semiconductor (TSEM) operates as a specialty foundry, delivering customized semiconductor manufacturing solutions with particular strength in analog, mixed-signal, and power management technologies. Recent market activity featured a significant announcement of a multi-billion-dollar capacity expansion in Japan aimed at silicon photonics and AI-related applications, supported by government grants. The news contributed to sharp gains at the time of disclosure. Shares have since experienced a pullback, with one-month declines around 11% amid profit-taking and market rotation. Year-to-date performance remains robust at approximately 82-87%, underscoring strong longer-term momentum despite shorter-term fluctuations.
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Head-to-Head Comparison
Amkor Technology (AMKR) and Tower Semiconductor (TSEM) differ fundamentally in their value-chain positioning: AMKR focuses on post-wafer services with higher revenue scale ($7.07 billion versus $1.62 billion), while TSEM emphasizes front-end foundry production with a larger market capitalization ($25 billion versus $12.4 billion) and substantially lower debt. Growth drivers for AMKR center on packaging demand for advanced nodes, whereas TSEM benefits from capacity additions targeting photonics and specialized processes. Recent momentum favors TSEM on a multi-month basis, though AMKR has shown resilience in earnings beats. Risk factors include AMKR’s higher leverage and utilization sensitivity versus TSEM’s execution risks on large-scale expansions. Market sentiment reflects AI tailwinds for both, with TSEM exhibiting greater price volatility tied to news flow.
Tickeron AI Verdict
Based on observable factors such as trend consistency, earnings stability, and relative positioning, Tickeron’s AI models currently indicate a probabilistic preference for TSEM over the intermediate term due to stronger multi-month returns and capacity catalysts, while noting AMKR’s potential advantages in shorter-term technical signals and scale. Outcomes remain subject to evolving market conditions and sector dynamics.
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.
To compare these two companies we present long-term analysis, their fundamental ratings and make comparative short-term technical analysis which are presented below. The conclusion is AMKR is a Buy and TSEM is a Buy.
Long-Term Analysis
It is best to consider a long-term outlook for a ticker by using Fundamental Analysis (FA) ratings. The rating of 1 to 100, where 1 is best and 100 is worst, is divided into thirds. The first third (a green rating of 1-33) indicates that the ticker is undervalued; the second third (a grey number between 34 and 66) means that the ticker is valued fairly; and the last third (red number of 67 to 100) reflects that the ticker is undervalued. We use an FA Score to show how many ratings show the ticker to be undervalued (green) or overvalued (red).
AMKR’s FA Score shows that 1 FA rating(s) are green whileTSEM’s FA Score has 2 green FA rating(s).
- AMKR’s FA Score: 1 green, 4 red.
- TSEM’s FA Score: 2 green, 3 red.
Short-Term Analysis
It is best to consider a short-term outlook for a ticker by using Technical Analysis (TA) indicators. We use Odds of Success as the percentage of outcomes which confirm successful trade signals in the past.
If the Odds of Success (the likelihood of the continuation of a trend) for each indicator are greater than 50%, then the generated signal is confirmed. A green percentage from 90% to 51% indicates that the ticker is in a bullish trend. A red percentage from 90% - 51% indicates that the ticker is in a bearish trend. All grey percentages are below 50% and are considered not to confirm the trend signal.
AMKR’s TA Score shows that 5 TA indicator(s) are bullish while TSEM’s TA Score has 5 bullish TA indicator(s).
- AMKR’s TA Score: 5 bullish, 4 bearish.
- TSEM’s TA Score: 5 bullish, 3 bearish.
Price Growth
AMKR (@Electronic Production Equipment) experienced а +6.73% price change this week, while TSEM (@Semiconductors) price change was +5.14% for the same time period.
The average weekly price growth across all stocks in the @Electronic Production Equipment industry was +2.16%. For the same industry, the average monthly price growth was +0.88%, and the average quarterly price growth was +46.40%.
The average weekly price growth across all stocks in the @Semiconductors industry was +0.15%. For the same industry, the average monthly price growth was -1.01%, and the average quarterly price growth was +48.79%.
Reported Earning Dates
AMKR is expected to report earnings on Nov 02, 2026.
TSEM is expected to report earnings on Nov 16, 2026.
Industries' Descriptions
@Electronic Production Equipment (+2.16% weekly)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.
@Semiconductors (+0.15% weekly)The semiconductor industry manufacturers all chip-related products, including research and development. These chips are used in innumerable electronic devices, including computers, cell phones, smartphones, and GPSs. Intel Corporation, NVIDIA Corp., and Broadcomm are some of the prominent players in this industry. Semiconductor companies usually tend to do well during periods of healthy economic growth, thereby inducing further research and development in the industry – which in turn augurs well for productivity and growth in the economy. In the near future, demand for semiconductor products (and possibly innovation within the segment) should only expand further, with the proliferation of 5G, autonomous vehicles, IoT, and various AI-driven electronics set to herald a new, advanced chapter in the technology-driven world as we know it. With burgeoning prospects comes great competition. In 2015, SIA estimated that U.S. semiconductor industry ranks as the second most competitive U.S. industry out of 2882 U.S. industries designated manufacturers by the U.S. Census Bureau.
| AMKR | TSEM | AMKR / TSEM | |
| Capitalization | 14.7B | 28.6B | 51% |
| EBITDA | 1.39B | 588M | 237% |
| Gain YTD | 49.870 | 126.094 | 40% |
| P/E Ratio | 26.45 | 104.93 | 25% |
| Revenue | 7.46B | 1.62B | 460% |
| Total Cash | 2.51B | 1.5B | 168% |
| Total Debt | 2.59B | 156M | 1,658% |
AMKR | TSEM | ||
|---|---|---|---|
OUTLOOK RATING 1..100 | 8 | 33 | |
VALUATION overvalued / fair valued / undervalued 1..100 | 34 Fair valued | 85 Overvalued | |
PROFIT vs RISK RATING 1..100 | 59 | 27 | |
SMR RATING 1..100 | 64 | 75 | |
PRICE GROWTH RATING 1..100 | 48 | 35 | |
P/E GROWTH RATING 1..100 | 24 | 4 | |
SEASONALITY SCORE 1..100 | 50 | 50 |
Tickeron ratings are formulated such that a rating of 1 designates the most successful stocks in a given industry, while a rating of 100 points to the least successful stocks for that industry.
AMKR's Valuation (34) in the Semiconductors industry is somewhat better than the same rating for TSEM (85). This means that AMKR’s stock grew somewhat faster than TSEM’s over the last 12 months.
TSEM's Profit vs Risk Rating (27) in the Semiconductors industry is in the same range as AMKR (59). This means that TSEM’s stock grew similarly to AMKR’s over the last 12 months.
AMKR's SMR Rating (64) in the Semiconductors industry is in the same range as TSEM (75). This means that AMKR’s stock grew similarly to TSEM’s over the last 12 months.
TSEM's Price Growth Rating (35) in the Semiconductors industry is in the same range as AMKR (48). This means that TSEM’s stock grew similarly to AMKR’s over the last 12 months.
TSEM's P/E Growth Rating (4) in the Semiconductors industry is in the same range as AMKR (24). This means that TSEM’s stock grew similarly to AMKR’s over the last 12 months.
| AMKR | TSEM | |
|---|---|---|
| RSI ODDS (%) | 1 day ago 61% | N/A |
| Stochastic ODDS (%) | 1 day ago 78% | 1 day ago 56% |
| Momentum ODDS (%) | 1 day ago 72% | 1 day ago 74% |
| MACD ODDS (%) | 1 day ago 84% | 1 day ago 78% |
| TrendWeek ODDS (%) | 1 day ago 74% | 1 day ago 73% |
| TrendMonth ODDS (%) | 1 day ago 76% | 1 day ago 77% |
| Advances ODDS (%) | 1 day ago 73% | 9 days ago 70% |
| Declines ODDS (%) | 18 days ago 71% | 18 days ago 62% |
| BollingerBands ODDS (%) | 1 day ago 70% | 1 day ago 56% |
| Aroon ODDS (%) | 1 day ago 72% | 1 day ago 60% |
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AMKR and
Correlation & Price change
A.I.dvisor indicates that over the last year, AMKR has been closely correlated with RMBS. These tickers have moved in lockstep 79% of the time. This A.I.-generated data suggests there is a high statistical probability that if AMKR jumps, then RMBS could also see price increases.
| Ticker / NAME | Correlation To AMKR | 1D Price Change % | ||
|---|---|---|---|---|
| AMKR | 100% | +2.15% | ||
| RMBS - AMKR | 79% Closely correlated | +1.53% | ||
| COHU - AMKR | 77% Closely correlated | +1.65% | ||
| AMAT - AMKR | 74% Closely correlated | -5.12% | ||
| MPWR - AMKR | 74% Closely correlated | +2.90% | ||
| LSCC - AMKR | 73% Closely correlated | +1.58% | ||
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