IONQ vs. ASML

Last updated Jun 9, 2026

IONQ (IonQ, Inc.) and ASML (ASML Holding N.V.) are both stocks. Both are in the Technology sector — IONQ in Computer Hardware, ASML in Semiconductor Equipment & Materials. Over the past 5 years, IONQ returned 42.74%/yr vs 21.93%/yr for ASML. At a 0.40 correlation, their price movements are largely independent.

Performance

IONQ vs. ASML - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in IonQ, Inc. (IONQ) and ASML Holding N.V. (ASML). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IONQ achieves a 39.96% return, which is significantly lower than ASML's 64.06% return.

IONQ

• 1D: 10.60%
• 1M: 27.54%
• YTD: 39.96%
• 6M: 15.53%
• 1Y: 60.94%
• 3Y*: 81.23%
• 5Y*: 42.74%
• 10Y*: —

ASML

• 1D: 6.54%
• 1M: 9.86%
• YTD: 64.06%
• 6M: 56.76%
• 1Y: 134.10%
• 3Y*: 36.05%
• 5Y*: 21.93%
• 10Y*: 34.75%

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

IONQ vs. ASML - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
IONQ IonQ, Inc.	39.96%	7.42%	237.13%	259.13%	-79.34%	50.11%
ASML ASML Holding N.V.	64.06%	56.51%	-7.70%	39.91%	-30.49%	64.13%

Correlation

The correlation between IONQ and ASML is 0.27, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.27
Correlation (3Y) Calculated over the trailing 3-year period	0.34
Correlation (5Y) Calculated over the trailing 5-year period	0.40
Correlation (All Time) Calculated using the full available price history since Jan 4, 2021	0.40

The correlation between IONQ and ASML shifts across timeframes, from 0.27 (1 year) to 0.40 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap IONQ : $23.31B ASML : $674.60B
EPS IONQ : $0.86 ASML : $25.86
PE Ratio IONQ : 72.85 ASML : 67.64
PS Ratio IONQ : 107.88 ASML : 20.10
PB Ratio IONQ : 4.69 ASML : 32.39
Total Revenue (TTM) IONQ : $187.12M ASML : $33.69B
Gross Profit (TTM) IONQ : $71.25M ASML : $17.72B
EBITDA (TTM) IONQ : $405.86M ASML : $12.99B

Return for Risk

IONQ vs. ASML — Risk / Return Rank

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

IONQ

IONQ Risk / Return Rank: 63
IONQ Sharpe Ratio Rank: 64
IONQ Sortino Ratio Rank: 68
IONQ Omega Ratio Rank: 63
IONQ Calmar Ratio Rank: 61
IONQ Martin Ratio Rank: 59

ASML

ASML Risk / Return Rank: 95
ASML Sharpe Ratio Rank: 96
ASML Sortino Ratio Rank: 94
ASML Omega Ratio Rank: 92
ASML Calmar Ratio Rank: 96
ASML Martin Ratio Rank: 96

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.

IONQ vs. ASML - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for IonQ, Inc. (IONQ) and ASML Holding N.V. (ASML). 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.

	IONQ	ASML	Difference
Sharpe ratio: Return per unit of total volatility	0.66	3.24	-2.58
Sortino ratio: Return per unit of downside risk	1.57	3.63	-2.05
Omega ratio: Gain probability vs. loss probability	1.17	1.45	-0.27
Calmar ratio: Return relative to maximum drawdown	0.91	7.56	-6.65
Martin ratio: Return relative to average drawdown	1.65	20.33	-18.67
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IONQ vs. ASML - Sharpe Ratio Comparison

The current IONQ Sharpe Ratio is 0.66, which is lower than the ASML Sharpe Ratio of 3.24. The chart below compares the historical Sharpe Ratios of IONQ and ASML, 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

	IONQ	ASML	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.66	3.24	-2.58
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.43	0.52	-0.09
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.90	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.39	0.56	-0.16

Drawdowns

IONQ vs. ASML - Drawdown Comparison

The maximum IONQ drawdown since its inception was -90.00%, roughly equal to the maximum ASML drawdown of -90.00%. Use the drawdown chart below to compare losses from any high point for IONQ and ASML.

Drawdown Indicators

	IONQ	ASML	Difference
Max Drawdown Largest peak-to-trough decline	-90.00%	-90.00%	0.00%
Max Drawdown (1Y) Largest decline over 1 year	-67.61%	-17.85%	-49.76%
Max Drawdown (3Y) Largest decline over 3 years	-67.61%	-45.38%	-22.23%
Max Drawdown (5Y) Largest decline over 5 years	-90.00%	-56.84%	-33.16%
Max Drawdown (10Y) Largest decline over 10 years	—	-56.84%	—
Current Drawdown Current decline from peak	-23.50%	-0.48%	-23.02%
Average Drawdown Average peak-to-trough decline	-50.97%	-28.14%	-22.83%
Ulcer Index Depth and duration of drawdowns from previous peaks	37.01%	6.62%	+30.39%

Volatility

IONQ vs. ASML - Volatility Comparison

IonQ, Inc. (IONQ) has a higher volatility of 32.87% compared to ASML Holding N.V. (ASML) at 15.94%. This indicates that IONQ's price experiences larger fluctuations and is considered to be riskier than ASML based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IONQ	ASML	Difference
Volatility (1M) Calculated over the trailing 1-month period	32.87%	15.94%	+16.93%
Volatility (6M) Calculated over the trailing 6-month period	68.37%	33.30%	+35.07%
Volatility (1Y) Calculated over the trailing 1-year period	92.93%	41.73%	+51.20%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	100.41%	42.23%	+58.18%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	97.59%	38.62%	+58.97%

Dividends

IONQ vs. ASML - Dividend Comparison

IONQ has not paid dividends to shareholders, while ASML's dividend yield for the trailing twelve months is around 0.50%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ASML ASML Holding N.V.	0.50%	0.97%	0.97%	0.86%	1.27%	0.50%	0.50%	1.40%	0.94%	0.64%	0.92%	0.73%
IONQ IonQ, 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

Frequently Asked Questions

Can I hold both IONQ and ASML in my portfolio?

IONQ and ASML have a correlation of 0.27, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IONQ or ASML?

IONQ has higher volatility (32.87%) compared to ASML (15.94%). In terms of maximum drawdown, IONQ dropped -90.00% vs ASML's -90.00%.

Which has better risk-adjusted returns?

ASML currently has the higher Sharpe Ratio (3.24 vs 0.66), 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.