ARQQ vs. ^GSPC
ARQQ (Arqit Quantum Inc.) is a stock, while ^GSPC (S&P 500 Index) is an index. Over the past 3 years, ARQQ returned -16.99%/yr vs 18.60%/yr for ^GSPC. At a 0.29 correlation, their price movements are largely independent.
Performance
ARQQ vs. ^GSPC - Performance Comparison
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Returns By Period
In the year-to-date period, ARQQ achieves a -17.64% return, which is significantly lower than ^GSPC's 9.79% return.
ARQQ
- 1D
- -5.56%
- 1M
- 32.50%
- 6M
- -32.26%
- YTD
- -17.64%
- 1Y
- -48.04%
- 3Y*
- -16.99%
- 5Y*
- —
- 10Y*
- —
^GSPC
- 1D
- -0.79%
- 1M
- 1.13%
- 6M
- 7.71%
- YTD
- 9.79%
- 1Y
- 20.06%
- 3Y*
- 18.60%
- 5Y*
- 11.43%
- 10Y*
- 13.27%
ARQQ vs. ^GSPC - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
ARQQ Arqit Quantum Inc. | -17.64% | -43.67% | 227.76% | -86.87% | -84.93% | 158.92% |
^GSPC S&P 500 Index | 9.79% | 16.39% | 23.31% | 24.23% | -19.44% | 5.09% |
Correlation
The correlation between ARQQ and ^GSPC is 0.50, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.50 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.34 |
Correlation (All Time) Calculated using the full available price history since Sep 7, 2021 | 0.29 |
Over the past year, ARQQ and ^GSPC have become more correlated (0.50) than their long-term average of 0.29, meaning their price movements have been converging.
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Return for Risk
ARQQ vs. ^GSPC — Risk / Return Rank
ARQQ
^GSPC
ARQQ vs. ^GSPC - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Arqit Quantum Inc. (ARQQ) and S&P 500 Index (^GSPC). 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 | ^GSPC | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.03 | ||
| Sortino ratioReturn per unit of downside risk | -2.27 | ||
| Omega ratioGain probability vs. loss probability | 1.00 | 1.29 | -0.30 |
| Calmar ratioReturn relative to maximum drawdown | -0.60 | 2.21 | -2.82 |
| Martin ratioReturn relative to average drawdown | -0.86 | 9.61 | -10.46 |
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Drawdowns
ARQQ vs. ^GSPC - Drawdown Comparison
The maximum ARQQ drawdown since its inception was -99.60%, which is greater than ^GSPC's maximum drawdown of -56.78%. Use the drawdown chart below to compare losses from any high point for ARQQ and ^GSPC.
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Drawdown Indicators
| ARQQ | ^GSPC | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.60% | -56.78% | -42.82% |
Max Drawdown (1Y)Largest decline over 1 year | -79.78% | -9.10% | -70.68% |
Max Drawdown (3Y)Largest decline over 3 years | -89.69% | -18.90% | -70.79% |
Max Drawdown (5Y)Largest decline over 5 years | — | -25.43% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.92% | — |
Current DrawdownCurrent decline from peak | -98.11% | -1.24% | -96.87% |
Average DrawdownAverage peak-to-trough decline | -88.92% | -10.71% | -78.21% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 56.19% | 2.09% | +54.10% |
Volatility
ARQQ vs. ^GSPC - Volatility Comparison
Arqit Quantum Inc. (ARQQ) has a higher volatility of 57.99% compared to S&P 500 Index (^GSPC) at 3.96%. This indicates that ARQQ's price experiences larger fluctuations and is considered to be riskier than ^GSPC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ARQQ | ^GSPC | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 57.99% | 3.96% | +54.03% |
Volatility (6M)Calculated over the trailing 6-month period | 80.86% | 9.99% | +70.87% |
Volatility (1Y)Calculated over the trailing 1-year period | 113.80% | 12.57% | +101.23% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 135.95% | 17.01% | +118.94% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 135.95% | 18.05% | +117.90% |
Frequently Asked Questions
ARQQ and ^GSPC have a correlation of 0.50, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ARQQ has higher volatility (57.99%) compared to ^GSPC (3.96%). In terms of maximum drawdown, ARQQ dropped -99.60% vs ^GSPC's -56.78%.
^GSPC currently has the higher Sharpe Ratio (1.61 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.
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