RGTI vs. ARQQ

Last updated Jun 24, 2026

RGTI (Rigetti Computing Inc) and ARQQ (Arqit Quantum Inc.) are both stocks. Both are in the Technology sector — RGTI in Computer Hardware, ARQQ in Software - Infrastructure. Over the past 3 years, RGTI returned 185.65%/yr vs -0.52%/yr for ARQQ. At a 0.44 correlation, their price movements are largely independent.

Performance

RGTI vs. ARQQ - Performance Comparison

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

Returns By Period

In the year-to-date period, RGTI achieves a -3.93% return, which is significantly lower than ARQQ's 32.72% return.

RGTI

• 1D: -0.47%
• 1M: -19.45%
• YTD: -3.93%
• 6M: -15.25%
• 1Y: 97.22%
• 3Y*: 185.65%
• 5Y*: 16.87%
• 10Y*: —

ARQQ

• 1D: 35.57%
• 1M: 66.04%
• YTD: 32.72%
• 6M: 14.69%
• 1Y: -24.73%
• 3Y*: -0.52%
• 5Y*: —
• 10Y*: —

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

RGTI vs. ARQQ - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
RGTI Rigetti Computing Inc	-3.93%	45.15%	1,449.40%	35.07%	-92.91%	5.76%
ARQQ Arqit Quantum Inc.	32.72%	-43.67%	227.76%	-86.87%	-84.93%	158.92%

Correlation

The correlation between RGTI and ARQQ is 0.69, 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	0.69
Correlation (3Y) Calculated over the trailing 3-year period	0.53
Correlation (All Time) Calculated using the full available price history since Sep 7, 2021	0.44

Over the past year, RGTI and ARQQ have become more correlated (0.69) than their long-term average of 0.44, meaning their price movements have been converging.

Fundamentals

Market Cap RGTI : $7.14B ARQQ : $481.51M
EPS RGTI : -$0.71 ARQQ : -$4.72
PS Ratio RGTI : 673.75 ARQQ : 324.08
PB Ratio RGTI : 12.23 ARQQ : 16.89
Total Revenue (TTM) RGTI : $10.02M ARQQ : $1.43M
Gross Profit (TTM) RGTI : $3.00M ARQQ : -$307.00K
EBITDA (TTM) RGTI : -$263.06M ARQQ : -$68.30M

Return for Risk

RGTI vs. ARQQ — Risk / Return Rank

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

RGTI

RGTI Risk / Return Rank: 69
RGTI Sharpe Ratio Rank: 70
RGTI Sortino Ratio Rank: 76
RGTI Omega Ratio Rank: 70
RGTI Calmar Ratio Rank: 67
RGTI Martin Ratio Rank: 61

ARQQ

ARQQ Risk / Return Rank: 37
ARQQ Sharpe Ratio Rank: 33
ARQQ Sortino Ratio Rank: 43
ARQQ Omega Ratio Rank: 41
ARQQ Calmar Ratio Rank: 33
ARQQ Martin Ratio Rank: 35

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.

RGTI vs. ARQQ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Rigetti Computing Inc (RGTI) 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.

	RGTI	ARQQ	Difference
Sharpe ratio: Return per unit of total volatility	0.89	-0.22	+1.12
Sortino ratio: Return per unit of downside risk	1.99	0.46	+1.52
Omega ratio: Gain probability vs. loss probability	1.22	1.05	+0.17
Calmar ratio: Return relative to maximum drawdown	1.27	-0.31	+1.58
Martin ratio: Return relative to average drawdown	1.92	-0.45	+2.37

RGTI vs. ARQQ - Sharpe Ratio Comparison

The current RGTI Sharpe Ratio is 0.89, which is higher than the ARQQ Sharpe Ratio of -0.22. The chart below compares the historical Sharpe Ratios of RGTI and ARQQ, 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

RGTI vs. ARQQ - Drawdown Comparison

The maximum RGTI drawdown since its inception was -96.89%, roughly equal to the maximum ARQQ drawdown of -99.60%. Use the drawdown chart below to compare losses from any high point for RGTI and ARQQ.

Drawdown Indicators

	RGTI	ARQQ	Difference
Max Drawdown Largest peak-to-trough decline	-96.89%	-99.60%	+2.71%
Max Drawdown (1Y) Largest decline over 1 year	-77.10%	-79.78%	+2.68%
Max Drawdown (3Y) Largest decline over 3 years	-78.83%	-89.69%	+10.86%
Max Drawdown (5Y) Largest decline over 5 years	-96.89%	—	—
Current Drawdown Current decline from peak	-62.23%	-96.95%	+34.72%
Average Drawdown Average peak-to-trough decline	-58.85%	-88.82%	+29.97%
Ulcer Index Depth and duration of drawdowns from previous peaks	50.88%	54.58%	-3.70%

Volatility

RGTI vs. ARQQ - Volatility Comparison

The current volatility for Rigetti Computing Inc (RGTI) is 35.70%, while Arqit Quantum Inc. (ARQQ) has a volatility of 52.32%. This indicates that RGTI 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.

Volatility by Period

	RGTI	ARQQ	Difference
Volatility (1M) Calculated over the trailing 1-month period	35.70%	52.32%	-16.62%
Volatility (6M) Calculated over the trailing 6-month period	71.37%	77.49%	-6.12%
Volatility (1Y) Calculated over the trailing 1-year period	109.40%	111.73%	-2.33%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	129.21%	135.94%	-6.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	127.01%	135.94%	-8.93%

Dividends

RGTI vs. ARQQ - Dividend Comparison

Neither RGTI nor ARQQ has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both RGTI and ARQQ in my portfolio?

RGTI and ARQQ have a correlation of 0.69, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RGTI or ARQQ?

ARQQ has higher volatility (52.32%) compared to RGTI (35.70%). In terms of maximum drawdown, RGTI dropped -96.89% vs ARQQ's -99.60%.

Which has better risk-adjusted returns?

RGTI currently has the higher Sharpe Ratio (0.89 vs -0.22), 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.