AMKR vs. ASX

Last updated Apr 1, 2026

Compare and contrast key facts about Amkor Technology, Inc. (AMKR) and ASE Technology Holding Co., Ltd. (ASX).

Performance

AMKR vs. ASX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Amkor Technology, Inc. (AMKR) and ASE Technology Holding Co., Ltd. (ASX). The values are adjusted to include any dividend payments, if applicable.

AMKR vs. ASX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AMKR Amkor Technology, Inc.	14.28%	55.87%	-20.80%	40.32%	-2.31%	65.57%	16.30%	98.17%	-34.73%	-4.74%
ASX ASE Technology Holding Co., Ltd.	34.66%	65.68%	10.14%	60.87%	-12.75%	38.25%	8.13%	53.97%	-37.08%	31.93%

Fundamentals

EPS AMKR : $2.26 ASX : $18.31
PE Ratio AMKR : 19.92 ASX : 1.18
PS Ratio AMKR : 1.11 ASX : 0.07
Total Revenue (TTM) AMKR : $6.71B ASX : $643.37B
Gross Profit (TTM) AMKR : $938.60M ASX : $114.19B
EBITDA (TTM) AMKR : $979.50M ASX : $121.53B

Returns By Period

In the year-to-date period, AMKR achieves a 14.28% return, which is significantly lower than ASX's 34.66% return. Over the past 10 years, AMKR has outperformed ASX with an annualized return of 23.85%, while ASX has yielded a comparatively lower 19.55% annualized return.

AMKR

• 1D: 9.16%
• 1M: -5.65%
• YTD: 14.28%
• 6M: 59.19%
• 1Y: 152.29%
• 3Y*: 22.07%
• 5Y*: 14.44%
• 10Y*: 23.85%

ASX

• 1D: 3.78%
• 1M: -10.75%
• YTD: 34.66%
• 6M: 95.49%
• 1Y: 156.46%
• 3Y*: 45.96%
• 5Y*: 28.43%
• 10Y*: 19.55%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

AMKR vs. ASX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

AMKR

AMKR Risk / Return Rank: 92
AMKR Sharpe Ratio Rank: 93
AMKR Sortino Ratio Rank: 90
AMKR Omega Ratio Rank: 89
AMKR Calmar Ratio Rank: 95
AMKR Martin Ratio Rank: 95

ASX

ASX Risk / Return Rank: 97
ASX Sharpe Ratio Rank: 98
ASX Sortino Ratio Rank: 97
ASX Omega Ratio Rank: 96
ASX Calmar Ratio Rank: 98
ASX Martin Ratio Rank: 98

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

AMKR vs. ASX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Amkor Technology, Inc. (AMKR) and ASE Technology Holding Co., Ltd. (ASX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	AMKR	ASX	Difference
Sharpe ratio Return per unit of total volatility	2.29	3.68	-1.39
Sortino ratio Return per unit of downside risk	2.86	4.01	-1.15
Omega ratio Gain probability vs. loss probability	1.37	1.54	-0.16
Calmar ratio Return relative to maximum drawdown	5.64	8.71	-3.07
Martin ratio Return relative to average drawdown	15.51	24.25	-8.75
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AMKR vs. ASX - Sharpe Ratio Comparison

The current AMKR Sharpe Ratio is 2.29, which is lower than the ASX Sharpe Ratio of 3.68. The chart below compares the historical Sharpe Ratios of AMKR and ASX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	AMKR	ASX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.29	3.68	-1.39
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.28	0.73	-0.45
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.46	0.51	-0.05
Sharpe Ratio (All Time) Calculated using the full available price history	0.07	0.33	-0.26

Correlation

The correlation between AMKR and ASX is 0.43, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

AMKR vs. ASX - Dividend Comparison

AMKR's dividend yield for the trailing twelve months is around 0.74%, less than ASX's 1.66% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AMKR Amkor Technology, Inc.	0.74%	0.84%	2.82%	0.91%	0.94%	0.69%	0.27%	0.00%	0.00%	0.00%	0.00%	0.00%
ASX ASE Technology Holding Co., Ltd.	1.66%	2.23%	3.19%	6.07%	7.64%	3.86%	2.34%	2.88%	14.19%	2.51%	3.63%	4.00%

Drawdowns

AMKR vs. ASX - Drawdown Comparison

The maximum AMKR drawdown since its inception was -98.14%, which is greater than ASX's maximum drawdown of -78.05%. Use the drawdown chart below to compare losses from any high point for AMKR and ASX.

Drawdown Indicators

	AMKR	ASX	Difference
Max Drawdown Largest peak-to-trough decline	-98.14%	-78.05%	-20.09%
Max Drawdown (1Y) Largest decline over 1 year	-26.42%	-17.83%	-8.59%
Max Drawdown (5Y) Largest decline over 5 years	-65.86%	-45.99%	-19.87%
Max Drawdown (10Y) Largest decline over 10 years	-65.86%	-54.17%	-11.69%
Current Drawdown Current decline from peak	-25.02%	-13.66%	-11.36%
Average Drawdown Average peak-to-trough decline	-76.29%	-22.72%	-53.57%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.61%	6.40%	+3.21%

Volatility

AMKR vs. ASX - Volatility Comparison

Amkor Technology, Inc. (AMKR) has a higher volatility of 24.04% compared to ASE Technology Holding Co., Ltd. (ASX) at 13.88%. This indicates that AMKR's price experiences larger fluctuations and is considered to be riskier than ASX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AMKR	ASX	Difference
Volatility (1M) Calculated over the trailing 1-month period	24.04%	13.88%	+10.16%
Volatility (6M) Calculated over the trailing 6-month period	50.31%	30.48%	+19.83%
Volatility (1Y) Calculated over the trailing 1-year period	66.80%	42.77%	+24.03%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	51.12%	39.08%	+12.04%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	52.13%	38.17%	+13.96%

Financials

AMKR vs. ASX - Profitability Comparison

The chart below illustrates the profitability comparison between Amkor Technology, Inc. and ASE Technology Holding Co., Ltd. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

AMKR - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Amkor Technology, Inc. reported a gross profit of 314.63M and revenue of 1.89B. Therefore, the gross margin over that period was 16.7%.

ASX - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, ASE Technology Holding Co., Ltd. reported a gross profit of 39.81B and revenue of 179.60B. Therefore, the gross margin over that period was 22.2%.

AMKR - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Amkor Technology, Inc. reported an operating income of 184.97M and revenue of 1.89B, resulting in an operating margin of 9.8%.

ASX - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, ASE Technology Holding Co., Ltd. reported an operating income of 17.69B and revenue of 179.60B, resulting in an operating margin of 9.9%.

AMKR - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Amkor Technology, Inc. reported a net income of 171.76M and revenue of 1.89B, resulting in a net margin of 9.1%.

ASX - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, ASE Technology Holding Co., Ltd. reported a net income of 14.71B and revenue of 179.60B, resulting in a net margin of 8.2%.