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 -18.77%/yr vs 40.35%/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 -20.38% return, which is significantly lower than QTUM's 29.68% return.
ARQQ
- 1D
- 5.38%
- 1M
- -22.92%
- 6M
- -34.51%
- YTD
- -20.38%
- 1Y
- -58.62%
- 3Y*
- -18.77%
- 5Y*
- —
- 10Y*
- —
QTUM
- 1D
- -0.84%
- 1M
- -12.63%
- 6M
- 20.08%
- YTD
- 29.68%
- 1Y
- 50.57%
- 3Y*
- 40.35%
- 5Y*
- 25.63%
- 10Y*
- —
ARQQ vs. QTUM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
ARQQ Arqit Quantum Inc. | -20.38% | -43.67% | 227.76% | -86.87% | -84.93% | 158.92% |
QTUM Defiance Quantum ETF | 29.68% | 36.65% | 50.54% | 39.86% | -28.80% | 6.89% |
Correlation
The correlation between ARQQ and QTUM is 0.63, 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 | 0.63 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.48 |
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 (0.63) 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 | -2.18 | ||
| Sortino ratioReturn per unit of downside risk | -2.56 | ||
| Omega ratioGain probability vs. loss probability | 0.96 | 1.28 | -0.32 |
| Calmar ratioReturn relative to maximum drawdown | -0.74 | 3.20 | -3.93 |
| Martin ratioReturn relative to average drawdown | -1.03 | 10.43 | -11.46 |
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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% | -15.90% | -63.88% |
Max Drawdown (3Y)Largest decline over 3 years | -89.69% | -25.39% | -64.30% |
Max Drawdown (5Y)Largest decline over 5 years | — | -38.45% | — |
Current DrawdownCurrent decline from peak | -98.17% | -15.90% | -82.27% |
Average DrawdownAverage peak-to-trough decline | -88.95% | -8.23% | -80.72% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 56.74% | 4.87% | +51.87% |
Volatility
ARQQ vs. QTUM - Volatility Comparison
Arqit Quantum Inc. (ARQQ) has a higher volatility of 51.18% compared to Defiance Quantum ETF (QTUM) at 10.70%. 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 | 51.18% | 10.70% | +40.48% |
Volatility (6M)Calculated over the trailing 6-month period | 81.71% | 25.32% | +56.39% |
Volatility (1Y)Calculated over the trailing 1-year period | 113.10% | 30.57% | +82.53% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 135.84% | 27.46% | +108.38% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 135.84% | 27.59% | +108.25% |
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 0.83%.
| 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 | 0.83% | 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 0.63, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ARQQ has higher volatility (51.18%) compared to QTUM (10.70%). In terms of maximum drawdown, ARQQ dropped -99.60% vs QTUM's -38.45%.
QTUM currently has the higher Sharpe Ratio (1.66 vs -0.52), 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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