QTUM vs. ARQQ
QTUM (Defiance Quantum ETF) is Technology Equities fund tracking the BlueStar Machine Learning and Quantum Computing Index, while ARQQ (Arqit Quantum Inc.) is a stock. Over the past 3 years, QTUM returned 48.15%/yr vs -28.53%/yr for ARQQ. At a 0.39 correlation, their price movements are largely independent.
Performance
QTUM vs. ARQQ - Performance Comparison
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Returns By Period
In the year-to-date period, QTUM achieves a 47.39% return, which is significantly higher than ARQQ's -37.84% return.
QTUM
- 1D
- 1.22%
- 1M
- 9.88%
- YTD
- 47.39%
- 6M
- 45.72%
- 1Y
- 82.93%
- 3Y*
- 48.15%
- 5Y*
- 28.09%
- 10Y*
- —
ARQQ
- 1D
- -0.66%
- 1M
- -1.66%
- YTD
- -37.84%
- 6M
- -52.03%
- 1Y
- -49.10%
- 3Y*
- -28.53%
- 5Y*
- —
- 10Y*
- —
QTUM vs. ARQQ - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
QTUM Defiance Quantum ETF | 47.39% | 36.65% | 50.54% | 39.86% | -28.80% | 6.89% |
ARQQ Arqit Quantum Inc. | -37.84% | -43.67% | 227.76% | -86.87% | -84.93% | 158.92% |
Correlation
The correlation between QTUM and ARQQ 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 | 0.49 |
Correlation (All Time) Calculated using the full available price history since Sep 7, 2021 | 0.39 |
Over the past year, QTUM and ARQQ have become more correlated (0.61) than their long-term average of 0.39, meaning their price movements have been converging.
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Return for Risk
QTUM vs. ARQQ — Risk / Return Rank
QTUM
ARQQ
QTUM vs. ARQQ - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Defiance Quantum ETF (QTUM) and Arqit Quantum Inc. (ARQQ). 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.
| QTUM | ARQQ | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +3.41 | ||
| Sortino ratioReturn per unit of downside risk | +3.65 | ||
| Omega ratioGain probability vs. loss probability | 1.46 | 0.98 | +0.48 |
| Calmar ratioReturn relative to maximum drawdown | 5.46 | -0.62 | +6.08 |
| Martin ratioReturn relative to average drawdown | 19.77 | -0.91 | +20.68 |
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Drawdowns
QTUM vs. ARQQ - Drawdown Comparison
The maximum QTUM drawdown since its inception was -38.45%, smaller than the maximum ARQQ drawdown of -99.60%. Use the drawdown chart below to compare losses from any high point for QTUM and ARQQ.
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Drawdown Indicators
| QTUM | ARQQ | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -38.45% | -99.60% | +61.15% |
Max Drawdown (1Y)Largest decline over 1 year | -15.26% | -79.78% | +64.52% |
Max Drawdown (3Y)Largest decline over 3 years | -25.39% | -89.76% | +64.37% |
Max Drawdown (5Y)Largest decline over 5 years | -38.45% | — | — |
Current DrawdownCurrent decline from peak | -4.42% | -98.57% | +94.15% |
Average DrawdownAverage peak-to-trough decline | -8.24% | -88.78% | +80.54% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.21% | 53.78% | -49.57% |
Volatility
QTUM vs. ARQQ - Volatility Comparison
The current volatility for Defiance Quantum ETF (QTUM) is 14.18%, while Arqit Quantum Inc. (ARQQ) has a volatility of 35.65%. This indicates that QTUM experiences smaller price fluctuations and is considered to be less risky than ARQQ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| QTUM | ARQQ | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 14.18% | 35.65% | -21.47% |
Volatility (6M)Calculated over the trailing 6-month period | 23.17% | 64.49% | -41.32% |
Volatility (1Y)Calculated over the trailing 1-year period | 28.39% | 104.65% | -76.26% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 26.99% | 134.12% | -107.13% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 27.40% | 134.12% | -106.72% |
Dividends
QTUM vs. ARQQ - Dividend Comparison
QTUM's dividend yield for the trailing twelve months is around 0.73%, while ARQQ has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
ARQQ Arqit Quantum Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
QTUM Defiance Quantum ETF | 0.73% | 1.01% | 0.61% | 0.81% | 1.46% | 0.48% | 0.42% | 0.61% | 0.21% |
Frequently Asked Questions
QTUM and ARQQ 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.
ARQQ has higher volatility (35.65%) compared to QTUM (14.18%). In terms of maximum drawdown, QTUM dropped -38.45% vs ARQQ's -99.60%.
QTUM currently has the higher Sharpe Ratio (2.94 vs -0.47), 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.
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