ASYS vs. ASX

Last updated Jun 4, 2026

ASYS (Amtech Systems, Inc.) and ASX (ASE Technology Holding Co., Ltd.) are both stocks. Both are in the Technology sector — ASYS in Semiconductor Equipment & Materials, ASX in Semiconductors. Over the past 10 years, ASYS returned 11.99%/yr vs 27.14%/yr for ASX. At a 0.20 correlation, their price movements are largely independent.

Performance

ASYS vs. ASX - Performance Comparison

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

Returns By Period

In the year-to-date period, ASYS achieves a 67.89% return, which is significantly lower than ASX's 147.89% return. Over the past 10 years, ASYS has underperformed ASX with an annualized return of 11.99%, while ASX has yielded a comparatively higher 27.14% annualized return.

ASYS

• 1D: -4.01%
• 1M: 27.85%
• YTD: 67.89%
• 6M: 140.53%
• 1Y: 438.87%
• 3Y*: 31.48%
• 5Y*: 16.47%
• 10Y*: 11.99%

ASX

• 1D: 1.66%
• 1M: 23.64%
• YTD: 147.89%
• 6M: 159.16%
• 1Y: 336.26%
• 3Y*: 78.22%
• 5Y*: 44.06%
• 10Y*: 27.14%

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

ASYS vs. ASX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ASYS Amtech Systems, Inc.	67.89%	130.28%	29.76%	-44.74%	-23.08%	54.86%	-10.89%	58.06%	-55.01%	136.94%
ASX ASE Technology Holding Co., Ltd.	147.89%	65.68%	10.14%	60.87%	-12.75%	38.25%	8.13%	53.97%	-37.08%	31.93%

Correlation

The correlation between ASYS and ASX is 0.35, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.35
Correlation (3Y) Calculated over the trailing 3-year period	0.29
Correlation (5Y) Calculated over the trailing 5-year period	0.34
Correlation (10Y) Calculated over the trailing 10-year period	0.28
Correlation (All Time) Calculated using the full available price history since Oct 3, 2000	0.20

The correlation between ASYS and ASX shifts across timeframes, from 0.20 (all time) to 0.35 (1 year), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap ASYS : $312.51M ASX : $89.50B
EPS ASYS : $0.14 ASX : $21.22
PE Ratio ASYS : 154.12 ASX : 1.88
PS Ratio ASYS : 3.89 ASX : 0.13
PB Ratio ASYS : 5.58 ASX : 0.26
Total Revenue (TTM) ASYS : $78.84M ASX : $666.14B
Gross Profit (TTM) ASYS : $36.21M ASX : $122.03B
EBITDA (TTM) ASYS : $5.86M ASX : $130.31B

Return for Risk

ASYS vs. ASX — Risk / Return Rank

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

ASYS

ASYS Risk / Return Rank: 96
ASYS Sharpe Ratio Rank: 99
ASYS Sortino Ratio Rank: 94
ASYS Omega Ratio Rank: 94
ASYS Calmar Ratio Rank: 98
ASYS Martin Ratio Rank: 97

ASX

ASX Risk / Return Rank: 99
ASX Sharpe Ratio Rank: 99
ASX Sortino Ratio Rank: 99
ASX Omega Ratio Rank: 98
ASX Calmar Ratio Rank: 99
ASX Martin Ratio Rank: 99

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.

ASYS vs. ASX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Amtech Systems, Inc. (ASYS) 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.

	ASYS	ASX	Difference
Sharpe ratio Return per unit of total volatility	5.14	7.76	-2.62
Sortino ratio Return per unit of downside risk	3.87	6.42	-2.55
Omega ratio Gain probability vs. loss probability	1.54	1.87	-0.33
Calmar ratio Return relative to maximum drawdown	11.02	20.16	-9.14
Martin ratio Return relative to average drawdown	24.73	55.80	-31.07
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ASYS vs. ASX - Sharpe Ratio Comparison

The current ASYS Sharpe Ratio is 5.14, which is lower than the ASX Sharpe Ratio of 7.76. The chart below compares the historical Sharpe Ratios of ASYS and ASX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	ASYS	ASX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	5.14	7.76	-2.62
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.25	1.12	-0.87
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.19	0.71	-0.52
Sharpe Ratio (All Time) Calculated using the full available price history	0.00	0.39	-0.39

Drawdowns

ASYS vs. ASX - Drawdown Comparison

The maximum ASYS drawdown since its inception was -97.05%, which is greater than ASX's maximum drawdown of -78.05%. Use the drawdown chart below to compare losses from any high point for ASYS and ASX.

Drawdown Indicators

	ASYS	ASX	Difference
Max Drawdown Largest peak-to-trough decline	-97.05%	-78.05%	-19.00%
Max Drawdown (1Y) Largest decline over 1 year	-40.15%	-16.81%	-23.34%
Max Drawdown (3Y) Largest decline over 3 years	-69.29%	-40.64%	-28.65%
Max Drawdown (5Y) Largest decline over 5 years	-78.40%	-45.99%	-32.41%
Max Drawdown (10Y) Largest decline over 10 years	-78.40%	-54.17%	-24.23%
Current Drawdown Current decline from peak	-27.52%	-1.70%	-25.82%
Average Drawdown Average peak-to-trough decline	-72.84%	-22.58%	-50.26%
Ulcer Index Depth and duration of drawdowns from previous peaks	17.86%	6.06%	+11.80%

Volatility

ASYS vs. ASX - Volatility Comparison

Amtech Systems, Inc. (ASYS) has a higher volatility of 26.96% compared to ASE Technology Holding Co., Ltd. (ASX) at 19.08%. This indicates that ASYS'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

	ASYS	ASX	Difference
Volatility (1M) Calculated over the trailing 1-month period	26.96%	19.08%	+7.88%
Volatility (6M) Calculated over the trailing 6-month period	66.87%	33.26%	+33.61%
Volatility (1Y) Calculated over the trailing 1-year period	86.16%	43.68%	+42.48%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	65.97%	39.70%	+26.27%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	61.86%	38.30%	+23.56%

Dividends

ASYS vs. ASX - Dividend Comparison

ASYS has not paid dividends to shareholders, while ASX's dividend yield for the trailing twelve months is around 0.90%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ASX ASE Technology Holding Co., Ltd.	0.90%	2.23%	3.19%	6.07%	7.64%	3.86%	2.34%	2.88%	14.19%	2.51%	3.63%	4.00%
ASYS Amtech Systems, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Financials

ASYS vs. ASX - Profitability Comparison

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

ASYS - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Amtech Systems, Inc. reported a gross profit of 9.77M and revenue of 20.47M. Therefore, the gross margin over that period was 47.7%.

ASX - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, ASE Technology Holding Co., Ltd. reported a gross profit of 35.21B and revenue of 175.46B. Therefore, the gross margin over that period was 20.1%.

ASYS - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Amtech Systems, Inc. reported an operating income of 1.79M and revenue of 20.47M, resulting in an operating margin of 8.8%.

ASX - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, ASE Technology Holding Co., Ltd. reported an operating income of 17.71B and revenue of 175.46B, resulting in an operating margin of 10.1%.

ASYS - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Amtech Systems, Inc. reported a net income of 1.17M and revenue of 20.47M, resulting in a net margin of 5.7%.

ASX - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, ASE Technology Holding Co., Ltd. reported a net income of 14.29B and revenue of 175.46B, resulting in a net margin of 8.2%.

Frequently Asked Questions

Can I hold both ASYS and ASX in my portfolio?

ASYS and ASX have a correlation of 0.35, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ASYS or ASX?

ASYS has higher volatility (26.96%) compared to ASX (19.08%). In terms of maximum drawdown, ASYS dropped -97.05% vs ASX's -78.05%.

Which has better risk-adjusted returns?

ASX currently has the higher Sharpe Ratio (7.76 vs 5.14), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.