ARQQ vs. QTUM
ARQQ (Arqit Quantum 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 3 years, ARQQ returned -28.53%/yr vs 48.15%/yr for QTUM. At a 0.39 correlation, their price movements are largely independent.
Performance
ARQQ vs. QTUM - Performance Comparison
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Returns By Period
In the year-to-date period, ARQQ achieves a -37.84% return, which is significantly lower than QTUM's 47.39% return.
ARQQ
- 1D
- -0.66%
- 1M
- -1.66%
- YTD
- -37.84%
- 6M
- -52.03%
- 1Y
- -49.10%
- 3Y*
- -28.53%
- 5Y*
- —
- 10Y*
- —
QTUM
- 1D
- 1.22%
- 1M
- 9.88%
- YTD
- 47.39%
- 6M
- 45.72%
- 1Y
- 82.93%
- 3Y*
- 48.15%
- 5Y*
- 28.09%
- 10Y*
- —
ARQQ vs. QTUM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
ARQQ Arqit Quantum Inc. | -37.84% | -43.67% | 227.76% | -86.87% | -84.93% | 158.92% |
QTUM Defiance Quantum ETF | 47.39% | 36.65% | 50.54% | 39.86% | -28.80% | 6.89% |
Correlation
The correlation between ARQQ 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 | 0.49 |
Correlation (All Time) Calculated using the full available price history since Sep 7, 2021 | 0.39 |
Over the past year, ARQQ and QTUM 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
ARQQ vs. QTUM — Risk / Return Rank
ARQQ
QTUM
ARQQ vs. QTUM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Arqit Quantum Inc. (ARQQ) 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.
| ARQQ | QTUM | 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 | 0.98 | 1.46 | -0.48 |
| Calmar ratioReturn relative to maximum drawdown | -0.62 | 5.46 | -6.08 |
| Martin ratioReturn relative to average drawdown | -0.91 | 19.77 | -20.68 |
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Drawdowns
ARQQ vs. QTUM - Drawdown Comparison
The maximum ARQQ drawdown since its inception was -99.60%, which is greater than QTUM's maximum drawdown of -38.45%. Use the drawdown chart below to compare losses from any high point for ARQQ and QTUM.
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Drawdown Indicators
| ARQQ | QTUM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.60% | -38.45% | -61.15% |
Max Drawdown (1Y)Largest decline over 1 year | -79.78% | -15.26% | -64.52% |
Max Drawdown (3Y)Largest decline over 3 years | -89.76% | -25.39% | -64.37% |
Max Drawdown (5Y)Largest decline over 5 years | — | -38.45% | — |
Current DrawdownCurrent decline from peak | -98.57% | -4.42% | -94.15% |
Average DrawdownAverage peak-to-trough decline | -88.78% | -8.24% | -80.54% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 53.78% | 4.21% | +49.57% |
Volatility
ARQQ vs. QTUM - Volatility Comparison
Arqit Quantum Inc. (ARQQ) has a higher volatility of 35.65% compared to Defiance Quantum ETF (QTUM) at 14.18%. This indicates that ARQQ'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.
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Volatility by Period
| ARQQ | QTUM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 35.65% | 14.18% | +21.47% |
Volatility (6M)Calculated over the trailing 6-month period | 64.49% | 23.17% | +41.32% |
Volatility (1Y)Calculated over the trailing 1-year period | 104.65% | 28.39% | +76.26% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 134.12% | 26.99% | +107.13% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 134.12% | 27.40% | +106.72% |
Dividends
ARQQ vs. QTUM - Dividend Comparison
ARQQ 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 |
|---|---|---|---|---|---|---|---|---|---|
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
ARQQ 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.
ARQQ has higher volatility (35.65%) compared to QTUM (14.18%). In terms of maximum drawdown, ARQQ dropped -99.60% vs QTUM's -38.45%.
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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