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AMKR vs ASX
Which Stock Would AI Choose? Amkor Technology (AMKR) vs. ASE Technology Holding (ASX) Stock Comparison
Key Takeaways
- Two OSAT leaders, two different profiles: AMKR (Amkor Technology) is a U.S.-based outsourced semiconductor assembly and test provider, while ASX (ASE Technology Holding) is the world's largest chip packaging and testing company, headquartered in Taiwan.
- Relative performance gap is wide: ASX shares have more than doubled over the past year, while AMKR has traded in a much narrower, more volatile range as it digests heavy capital spending.
- Both benefit from AI packaging demand: Advanced packaging for artificial intelligence and high-performance computing is a shared growth driver, but ASX has converted it into faster revenue and margin expansion more visibly so far.
- Margin trajectories differ: AMKR expanded gross margin meaningfully in its latest quarter but still trails ASX's segment-level profitability.
- Risk profiles diverge: AMKR carries execution and capex (capital expenditure) risk tied to its Arizona build-out, while ASX faces valuation and execution risks after a steep rally.
- For more detail on these tickers' latest headlines and daily price action, explore the AMKR Major News and AMKR Today's Price Move pages, along with ASX Major News and ASX Today's Price Move.
- To see how automated systems are navigating this market, explore Trending AI Robots.
Introduction
Amkor Technology and ASE Technology Holding are two of the most important names in semiconductor packaging and testing, the essential final step that turns a finished silicon wafer into a usable chip. Both are riding the same macro trend — rising demand for advanced packaging driven by artificial intelligence (AI) and high-performance computing — yet their stock behavior and market positioning have diverged sharply in recent months. This comparison is relevant for investors and traders evaluating two leaders in the OSAT (Outsourced Semiconductor Assembly and Test) industry who want to understand how scale, geography, profitability, and valuation shape relative performance.
AMKR Overview and Recent Performance
AMKR, Amkor Technology, is a U.S.-based provider of outsourced semiconductor packaging and test services, serving integrated device manufacturers, fabless chip companies, and foundries across mobile, computing, automotive, and industrial markets. In recent weeks, the stock rebounded sharply after its latest quarterly report despite revenue coming in roughly flat year over year and slightly below consensus estimates. The market focused instead on meaningful margin expansion — gross margin rose several hundred basis points to about 18.3% — and record revenue in its Computing and Automotive & Industrial segments. Sentiment has also been supported by multi-year capacity agreements with NVIDIA totaling roughly $3 billion and a planned $12 billion Arizona advanced-packaging campus. At the same time, weakness in the smartphone-driven Communications segment and elevated capital spending near $2.5 billion for the year remain notable counterweights, keeping the stock's recent momentum mixed.
ASX Overview and Recent Performance
ASX, ASE Technology Holding, is the world's largest semiconductor packaging and testing provider, based in Taiwan, with additional electronic manufacturing services (EMS) operations. Its stock has been one of the sector's strongest performers, more than doubling over the past year on accelerating demand for leading-edge advanced packaging (LEAP) tied to AI infrastructure. The company's Assembly, Testing and Materials (ATM) business has posted record revenue, with gross margin climbing to about 27% in recent quarters and management guiding toward levels above 30% later in the year. To meet demand, ASX raised its 2026 capital expenditure plan by about $2 billion to roughly $10.5 billion, funding a wave of greenfield and brownfield expansions. This scale of investment supports the growth narrative but also introduces execution risk as the company manages many simultaneous capacity projects.
Trending AI Robots
Tickeron operates a large ecosystem of AI-powered trading bots that monitor thousands of tickers using distinct strategies, timeframes, and risk parameters. Not every bot suits every market environment, so Tickeron curates a focused Trending AI Robots section highlighting the systems best aligned with current conditions. These bots vary widely in trading style — from short-term momentum to longer-horizon trend following — and each carries its own track record, statistics, and set of traded tickers. For investors comparing stocks like AMKR and ASX, reviewing how automated models are positioning across the semiconductor space can add a quantitative layer to fundamental analysis. Explore the Trending AI Robots page to see which strategies are currently standing out.
Head-to-Head Comparison
The most visible contrast between these two stocks is momentum and valuation. ASX has delivered far stronger share-price appreciation, but that rally has lifted its valuation multiples well above historical averages, raising the bar for future returns. AMKR trades at a more modest multiple relative to its own history, though its near-term revenue growth has been flatter and its guidance more conservative. On profitability, ASX's ATM segment already operates at higher gross margins, while AMKR is still in the earlier stages of shifting its mix toward higher-value advanced packaging. Geographically, AMKR offers a U.S.-based onshoring angle with its Arizona campus, whereas ASX's scale and Asia-based footprint give it cost and capacity advantages. Sector exposure is similar, but AMKR retains greater sensitivity to smartphone demand, while ASX's computing mix has been rising faster. In terms of market sentiment, ASX has benefited from consistent upward estimate revisions, while AMKR's sentiment has been more mixed amid execution questions on its major expansion.
Tickeron AI Verdict
Based on observable factors, Tickeron's AI would likely lean toward ASX in the current environment. The stock's stronger trend consistency, accelerating revenue and margin expansion, and upward earnings revisions present a more favorable momentum profile than AMKR's choppier recovery. However, ASX's elevated valuation and heavy capital spending introduce mean-reversion risk, so the edge is probabilistic rather than definitive. AMKR retains a credible longer-term catalyst story through its NVIDIA commitments and U.S. capacity build-out, which could support relative outperformance if execution improves and smartphone demand stabilizes. The AI's preference for ASX reflects its more established trend and profitability momentum rather than a judgment on either company's fundamental quality.
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 ASX is a Buy.
AMKR's RSI Indicator climbs out of oversold territory
The RSI Oscillator for AMKR moved out of oversold territory on October 27, 2026. This could be a sign that the stock is shifting from a downward trend to an upward trend. Traders may want to buy the stock or call options. The A.I.dvisor looked at 28 similar instances when the indicator left oversold territory. In 22 of the 28 cases the stock moved higher. This puts the odds of a move higher at 79%.
Technical Analysis (Indicators)
Bullish Trend Analysis
The Stochastic Oscillator suggests the stock price trend may be in a reversal from a downward trend to an upward trend. 48 of 63 cases where AMKR's Stochastic Oscillator exited the oversold zone resulted in an increase in price. Tickeron's analysis proposes that the odds of a continued upward trend are 76%.
Following a +14.67% 3-day Advance, the price is estimated to grow further. Considering data from situations where AMKR advanced for three days, in 240 of 324 cases, the price rose further within the following month. The odds of a continued upward trend are 74%.
AMKR may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options.
Bearish Trend Analysis
The Momentum Indicator moved below the 0 level on October 06, 2026. You may want to consider selling the stock, shorting the stock, or exploring put options on AMKR as a result. In 78 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 83%.
The Moving Average Convergence Divergence Histogram (MACD) for AMKR turned negative on October 09, 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 38 of the 49 cases the stock turned lower in the days that followed. This puts the odds of success at 78%.
AMKR moved below its 50-day moving average on October 08, 2026 date and that indicates a change from an upward trend to a downward trend.
The 10-day moving average for AMKR crossed bearishly below the 50-day moving average on October 14, 2026. This indicates that the trend has shifted lower and could be considered a sell signal. In 11 of 15 past instances when the 10-day crossed below the 50-day, the stock continued to move higher over the following month. The odds of a continued downward trend are 73%.
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 50 of 62 cases within the following month. The odds of a continued downward trend are 73%.
The Aroon Indicator for AMKR entered a downward trend on November 02, 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 48 (best 1 - 100 worst) indicates that the company is fair valued 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 (2.010) is normal, around the industry mean (6.211). P/E Ratio (16.795) is within average values for comparable stocks, (81.436). Projected Growth (PEG Ratio) (0.180) is also within normal values, averaging (0.801). Dividend Yield (0.009) settles around the average of (0.009) among similar stocks. P/S Ratio (1.548) is also within normal values, averaging (27.897).
The Tickeron SMR rating for this company is 62 (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 Price Growth Rating for this company is 65 (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 Profit vs. Risk Rating rating for this company is 83 (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 75, placing this stock worse than average.
The Tickeron PE Growth Rating for this company is 88 (best 1 - 100 worst), pointing to worse than average 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 Seasonality Score of 95 (best 1 - 100 worst) indicates that the company is significantly overvalued in the industry. The Tickeron Seasonality score describes the variance of predictable price changes around the same period every calendar year. These changes can be tied to a specific month, quarter, holiday or vacation period, as well as a meteorological or growing season.
ASX in upward trend: price may jump up because it broke its lower Bollinger Band on October 15, 2026
ASX may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options. In 30 of 32 cases where ASX's price broke its lower Bollinger Band, its price rose further in the following month. The odds of a continued upward trend are 90%.
Technical Analysis (Indicators)
Bullish Trend Analysis
Following a +5.92% 3-day Advance, the price is estimated to grow further. Considering data from situations where ASX advanced for three days, in 271 of 353 cases, the price rose further within the following month. The odds of a continued upward trend are 77%.
Bearish Trend Analysis
The 10-day RSI Indicator for ASX moved out of overbought territory on October 06, 2026. This could be a bearish sign for the stock. Traders may want to consider selling the stock or buying put options. Tickeron's A.I.dvisor looked at 44 similar instances where the indicator moved out of overbought territory. In 28 of the 44 cases, the stock moved lower in the following days. This puts the odds of a move lower at 64%.
The Stochastic Oscillator may be shifting from an upward trend to a downward trend. In 41 of 64 cases where ASX's Stochastic Oscillator exited the overbought zone, the price fell further within the following month. The odds of a continued downward trend are 64%.
The Momentum Indicator moved below the 0 level on October 30, 2026. You may want to consider selling the stock, shorting the stock, or exploring put options on ASX as a result. In 59 of 88 cases where the Momentum Indicator fell below 0, the stock fell further within the subsequent month. The odds of a continued downward trend are 67%.
The Moving Average Convergence Divergence Histogram (MACD) for ASX turned negative on October 14, 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 32 of the 49 cases the stock turned lower in the days that followed. This puts the odds of success at 65%.
ASX moved below its 50-day moving average on October 30, 2026 date and that indicates a change from an upward trend to a downward trend.
The 10-day moving average for ASX crossed bearishly below the 50-day moving average on October 27, 2026. This indicates that the trend has shifted lower and could be considered a sell signal. In 8 of 17 past instances when the 10-day crossed below the 50-day, the stock continued to move higher over the following month. The odds of a continued downward trend are 47%.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where ASX declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 59%.
The Aroon Indicator for ASX entered a downward trend on November 02, 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 Profit vs. Risk Rating rating for this company is 14 (best 1 - 100 worst), indicating low risk on high returns. The average Profit vs. Risk Rating rating for the industry is 78, placing this stock better than average.
The Tickeron Valuation Rating of 19 (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 (0.262) is normal, around the industry mean (5.894). P/E Ratio (1.421) is within average values for comparable stocks, (16.337). Projected Growth (PEG Ratio) (0.210) is also within normal values, averaging (3.803). ASX has a moderately high Dividend Yield (0.037) as compared to the industry average of (0.012). P/S Ratio (3.791) is also within normal values, averaging (46.468).
The Tickeron Price Growth Rating for this company is 37 (best 1 - 100 worst), indicating steady price growth. ASX’s price grows at a higher rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron SMR rating for this company is 50 (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 Seasonality Score of 50 (best 1 - 100 worst) indicates that the company is fair valued in the industry. The Tickeron Seasonality score describes the variance of predictable price changes around the same period every calendar year. These changes can be tied to a specific month, quarter, holiday or vacation period, as well as a meteorological or growing season.
The Tickeron PE Growth Rating for this company is 97 (best 1 - 100 worst), pointing to worse than average 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.
AMKR | ASX | ||
|---|---|---|---|
OUTLOOK RATING 1..100 | 63 | 27 | |
VALUATION overvalued / fair valued / undervalued 1..100 | 48 Fair valued | 19 Undervalued | |
PROFIT vs RISK RATING 1..100 | 83 | 14 | |
SMR RATING 1..100 | 62 | 50 | |
PRICE GROWTH RATING 1..100 | 65 | 37 | |
P/E GROWTH RATING 1..100 | 88 | 97 | |
SEASONALITY SCORE 1..100 | 90 | 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.
ASX's Valuation (19) in the Semiconductors industry is in the same range as AMKR (48). This means that ASX’s stock grew similarly to AMKR’s over the last 12 months.
ASX's Profit vs Risk Rating (14) in the Semiconductors industry is significantly better than the same rating for AMKR (83). This means that ASX’s stock grew significantly faster than AMKR’s over the last 12 months.
ASX's SMR Rating (50) in the Semiconductors industry is in the same range as AMKR (62). This means that ASX’s stock grew similarly to AMKR’s over the last 12 months.
ASX's Price Growth Rating (37) in the Semiconductors industry is in the same range as AMKR (65). This means that ASX’s stock grew similarly to AMKR’s over the last 12 months.
AMKR's P/E Growth Rating (88) in the Semiconductors industry is in the same range as ASX (97). This means that AMKR’s stock grew similarly to ASX’s over the last 12 months.
| AMKR | ASX | |
|---|---|---|
| RSI ODDS (%) | 2 days ago 79% | 2 days ago 64% |
| Stochastic ODDS (%) | 2 days ago 76% | 2 days ago 64% |
| Momentum ODDS (%) | 2 days ago 83% | 2 days ago 67% |
| MACD ODDS (%) | 2 days ago 78% | 2 days ago 65% |
| TrendWeek ODDS (%) | 2 days ago 74% | 2 days ago 60% |
| TrendMonth ODDS (%) | 2 days ago 77% | 2 days ago 54% |
| Advances ODDS (%) | 7 days ago 74% | 6 days ago 77% |
| Declines ODDS (%) | 2 days ago 73% | 2 days ago 59% |
| BollingerBands ODDS (%) | 2 days ago 73% | 2 days ago 90% |
| Aroon ODDS (%) | 2 days ago 77% | 2 days ago 51% |
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 overvalued. 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 0 FA rating(s) are green while ASX’s FA Score has 2 green FA rating(s).
- AMKR’s FA Score: 0 green, 5 red.
- ASX’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 4 TA indicator(s) are bullish while ASX’s TA Score has 2 bullish TA indicator(s).
- AMKR’s TA Score: 4 bullish, 6 bearish.
- ASX’s TA Score: 2 bullish, 8 bearish.
Price Growth
AMKR (@Electronic Production Equipment) experienced а +0.41% price change this week, while ASX (@Semiconductors) price change was -1.85% for the same time period.
The average weekly price growth across all stocks in the @Electronic Production Equipment industry was -6.60%. For the same industry, the average monthly price growth was -27.79%, and the average quarterly price growth was -31.18%.
The average weekly price growth across all stocks in the @Semiconductors industry was -7.29%. For the same industry, the average monthly price growth was -22.75%, and the average quarterly price growth was -21.15%.
Reported Earning Dates
AMKR is expected to report earnings on Feb 15, 2027.
ASX is expected to report earnings on Feb 11, 2027.
Industries' Descriptions
@Electronic Production Equipment (-6.60% 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 (-7.29% 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.
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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% | +1.79% | ||
| RMBS - AMKR | 79% Closely correlated | +4.96% | ||
| COHU - AMKR | 78% Closely correlated | +3.43% | ||
| LRCX - AMKR | 75% Closely correlated | +1.39% | ||
| ENTG - AMKR | 74% Closely correlated | +0.79% | ||
| MPWR - AMKR | 74% Closely correlated | +6.78% | ||
More | ||||
ASX and
Correlation & Price change
A.I.dvisor indicates that over the last year, ASX has been closely correlated with LRCX. These tickers have moved in lockstep 75% of the time. This A.I.-generated data suggests there is a high statistical probability that if ASX jumps, then LRCX could also see price increases.
| Ticker / NAME | Correlation To ASX | 1D Price Change % | ||
|---|---|---|---|---|
| ASX | 100% | -0.31% | ||
| LRCX - ASX | 75% Closely correlated | +1.39% | ||
| AMKR - ASX | 74% Closely correlated | +1.79% | ||
| KLAC - ASX | 74% Closely correlated | +2.02% | ||
| AMAT - ASX | 73% Closely correlated | +1.97% | ||
| TSM - ASX | 73% Closely correlated | +1.55% | ||
More | ||||
| 1 Day | |||
|---|---|---|---|
| ETFs / NAME | Price $ | Chg $ | Chg % |
| SOXY | 78.98 | 1.01 | +1.30% |
| YieldMax Target 12 Semiconductor Option Income ETF (SOXY) | |||
| HAKY | 30.26 | 0.21 | +0.70% |
| Amplify HACK Cybersecurity Covered Call ETF (HAKY) | |||
| YOKE | 32.05 | N/A | N/A |
| YOKE Core ETF | |||
| FBND | 44.08 | -0.08 | -0.18% |
| Fidelity Total Bond ETF (FBND) | |||
| FLGB | 36.43 | -0.55 | -1.49% |
| Franklin FTSE United Kingdom ETF (FLGB) | |||