QUBT vs. QTUM

Last updated Jun 13, 2026

QUBT (Quantum Computing, Inc.) is a stock, while QTUM (Defiance Quantum ETF) is Technology Equities fund tracking the BlueStar Machine Learning and Quantum Computing Index. Over the past 5 years, QUBT returned 9.88%/yr vs 28.09%/yr for QTUM. At a 0.34 correlation, their price movements are largely independent.

Performance

QUBT vs. QTUM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Quantum Computing, Inc. (QUBT) and Defiance Quantum ETF (QTUM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, QUBT achieves a -3.22% return, which is significantly lower than QTUM's 47.39% return.

QUBT

• 1D: 0.20%
• 1M: -9.97%
• YTD: -3.22%
• 6M: -17.59%
• 1Y: -43.29%
• 3Y*: 77.69%
• 5Y*: 9.88%
• 10Y*: —

QTUM

• 1D: 1.22%
• 1M: 9.88%
• YTD: 47.39%
• 6M: 45.72%
• 1Y: 82.93%
• 3Y*: 48.15%
• 5Y*: 28.09%
• 10Y*: —

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

QUBT vs. QTUM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
QUBT Quantum Computing, Inc.	-3.22%	-38.01%	1,712.51%	-39.53%	-55.72%	-75.83%	370.33%	0.00%	-40.00%
QTUM Defiance Quantum ETF	47.39%	36.65%	50.54%	39.86%	-28.80%	35.18%	42.05%	47.99%	-19.44%

Correlation

The correlation between QUBT and QTUM is 0.61, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.61
Correlation (3Y) Calculated over the trailing 3-year period	0.54
Correlation (5Y) Calculated over the trailing 5-year period	0.49
Correlation (All Time) Calculated using the full available price history since Sep 5, 2018	0.34

Over the past year, QUBT and QTUM have become more correlated (0.61) than their long-term average of 0.34, meaning their price movements have been converging.

Return for Risk

QUBT vs. QTUM — Risk / Return Rank

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

QUBT

QUBT Risk / Return Rank: 26
QUBT Sharpe Ratio Rank: 24
QUBT Sortino Ratio Rank: 30
QUBT Omega Ratio Rank: 30
QUBT Calmar Ratio Rank: 22
QUBT Martin Ratio Rank: 26

QTUM

QTUM Risk / Return Rank: 90
QTUM Sharpe Ratio Rank: 93
QTUM Sortino Ratio Rank: 87
QTUM Omega Ratio Rank: 87
QTUM Calmar Ratio Rank: 92
QTUM Martin Ratio Rank: 92

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.

QUBT vs. QTUM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Quantum Computing, Inc. (QUBT) and Defiance Quantum ETF (QTUM). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	QUBT	QTUM	Difference
Sharpe ratio: Return per unit of total volatility	-0.42	2.94	-3.36
Sortino ratio: Return per unit of downside risk	-0.08	3.45	-3.53
Omega ratio: Gain probability vs. loss probability	0.99	1.46	-0.47
Calmar ratio: Return relative to maximum drawdown	-0.58	5.46	-6.05
Martin ratio: Return relative to average drawdown	-0.89	19.77	-20.66

QUBT vs. QTUM - Sharpe Ratio Comparison

The current QUBT Sharpe Ratio is -0.42, which is lower than the QTUM Sharpe Ratio of 2.94. The chart below compares the historical Sharpe Ratios of QUBT and QTUM, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

QUBT vs. QTUM - Drawdown Comparison

The maximum QUBT drawdown since its inception was -97.53%, which is greater than QTUM's maximum drawdown of -38.45%. Use the drawdown chart below to compare losses from any high point for QUBT and QTUM.

Drawdown Indicators

	QUBT	QTUM	Difference
Max Drawdown Largest peak-to-trough decline	-97.53%	-38.45%	-59.08%
Max Drawdown (1Y) Largest decline over 1 year	-74.37%	-15.26%	-59.11%
Max Drawdown (3Y) Largest decline over 3 years	-82.40%	-25.39%	-57.01%
Max Drawdown (5Y) Largest decline over 5 years	-95.63%	-38.45%	-57.18%
Current Drawdown Current decline from peak	-61.33%	-4.42%	-56.91%
Average Drawdown Average peak-to-trough decline	-72.90%	-8.24%	-64.66%
Ulcer Index Depth and duration of drawdowns from previous peaks	48.67%	4.21%	+44.46%

Volatility

QUBT vs. QTUM - Volatility Comparison

Quantum Computing, Inc. (QUBT) has a higher volatility of 33.55% compared to Defiance Quantum ETF (QTUM) at 14.18%. This indicates that QUBT's price experiences larger fluctuations and is considered to be riskier than QTUM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	QUBT	QTUM	Difference
Volatility (1M) Calculated over the trailing 1-month period	33.55%	14.18%	+19.37%
Volatility (6M) Calculated over the trailing 6-month period	67.37%	23.17%	+44.20%
Volatility (1Y) Calculated over the trailing 1-year period	103.81%	28.39%	+75.42%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	133.05%	26.99%	+106.06%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	177.48%	27.40%	+150.08%

Dividends

QUBT vs. QTUM - Dividend Comparison

QUBT has not paid dividends to shareholders, while QTUM's dividend yield for the trailing twelve months is around 0.73%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
QTUM Defiance Quantum ETF	0.73%	1.01%	0.61%	0.81%	1.46%	0.48%	0.42%	0.61%	0.21%
QUBT Quantum Computing, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both QUBT and QTUM in my portfolio?

QUBT and QTUM have a correlation of 0.61, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, QUBT or QTUM?

QUBT has higher volatility (33.55%) compared to QTUM (14.18%). In terms of maximum drawdown, QUBT dropped -97.53% vs QTUM's -38.45%.

Which has better risk-adjusted returns?

QTUM currently has the higher Sharpe Ratio (2.94 vs -0.42), 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.