IONQ vs. RGTI

Last updated Jun 24, 2026

IONQ (IonQ, Inc.) and RGTI (Rigetti Computing Inc) are both stocks. Both operate in the Computer Hardware industry within the Technology sector. Over the past 5 years, IONQ returned 41.22%/yr vs 16.87%/yr for RGTI. A 0.58 correlation means they provide meaningful diversification when combined.

Performance

IONQ vs. RGTI - Performance Comparison

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

Returns By Period

In the year-to-date period, IONQ achieves a 28.93% return, which is significantly higher than RGTI's -3.93% return.

IONQ

• 1D: -0.81%
• 1M: -9.10%
• YTD: 28.93%
• 6M: 12.57%
• 1Y: 40.62%
• 3Y*: 83.45%
• 5Y*: 41.22%
• 10Y*: —

RGTI

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

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

IONQ vs. RGTI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
IONQ IonQ, Inc.	28.93%	7.42%	237.13%	259.13%	-79.34%	59.35%
RGTI Rigetti Computing Inc	-3.93%	45.15%	1,449.40%	35.07%	-92.91%	3.94%

Correlation

The correlation between IONQ and RGTI is 0.83, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.83
Correlation (3Y) Calculated over the trailing 3-year period	0.69
Correlation (5Y) Calculated over the trailing 5-year period	0.59
Correlation (All Time) Calculated using the full available price history since Apr 22, 2021	0.58

Over the past year, IONQ and RGTI have become more correlated (0.83) than their long-term average of 0.58, meaning their price movements have been converging.

Fundamentals

Market Cap IONQ : $21.48B RGTI : $7.14B
EPS IONQ : $0.86 RGTI : -$0.71
PS Ratio IONQ : 99.37 RGTI : 673.75
PB Ratio IONQ : 4.32 RGTI : 12.23
Total Revenue (TTM) IONQ : $187.12M RGTI : $10.02M
Gross Profit (TTM) IONQ : $71.25M RGTI : $3.00M
EBITDA (TTM) IONQ : $405.86M RGTI : -$263.06M

Return for Risk

IONQ vs. RGTI — Risk / Return Rank

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

IONQ

IONQ Risk / Return Rank: 58
IONQ Sharpe Ratio Rank: 58
IONQ Sortino Ratio Rank: 63
IONQ Omega Ratio Rank: 58
IONQ Calmar Ratio Rank: 57
IONQ Martin Ratio Rank: 55

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

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.

IONQ vs. RGTI - Risk-Adjusted Trends Comparison

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

	IONQ	RGTI	Difference
Sharpe ratio: Return per unit of total volatility	0.44	0.89	-0.46
Sortino ratio: Return per unit of downside risk	1.32	1.99	-0.66
Omega ratio: Gain probability vs. loss probability	1.15	1.22	-0.07
Calmar ratio: Return relative to maximum drawdown	0.60	1.27	-0.66
Martin ratio: Return relative to average drawdown	1.09	1.92	-0.83

IONQ vs. RGTI - Sharpe Ratio Comparison

The current IONQ Sharpe Ratio is 0.44, which is lower than the RGTI Sharpe Ratio of 0.89. The chart below compares the historical Sharpe Ratios of IONQ and RGTI, 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

IONQ vs. RGTI - Drawdown Comparison

The maximum IONQ drawdown since its inception was -90.00%, smaller than the maximum RGTI drawdown of -96.89%. Use the drawdown chart below to compare losses from any high point for IONQ and RGTI.

Drawdown Indicators

	IONQ	RGTI	Difference
Max Drawdown Largest peak-to-trough decline	-90.00%	-96.89%	+6.89%
Max Drawdown (1Y) Largest decline over 1 year	-67.61%	-77.10%	+9.49%
Max Drawdown (3Y) Largest decline over 3 years	-67.61%	-78.83%	+11.22%
Max Drawdown (5Y) Largest decline over 5 years	-90.00%	-96.89%	+6.89%
Current Drawdown Current decline from peak	-29.53%	-62.23%	+32.70%
Average Drawdown Average peak-to-trough decline	-50.79%	-58.85%	+8.06%
Ulcer Index Depth and duration of drawdowns from previous peaks	37.49%	50.88%	-13.39%

Volatility

IONQ vs. RGTI - Volatility Comparison

The current volatility for IonQ, Inc. (IONQ) is 27.92%, while Rigetti Computing Inc (RGTI) has a volatility of 35.70%. This indicates that IONQ experiences smaller price fluctuations and is considered to be less risky than RGTI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IONQ	RGTI	Difference
Volatility (1M) Calculated over the trailing 1-month period	27.92%	35.70%	-7.78%
Volatility (6M) Calculated over the trailing 6-month period	68.14%	71.37%	-3.23%
Volatility (1Y) Calculated over the trailing 1-year period	93.80%	109.40%	-15.60%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	100.68%	129.21%	-28.53%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	97.44%	127.01%	-29.57%

Dividends

IONQ vs. RGTI - Dividend Comparison

Neither IONQ nor RGTI has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both IONQ and RGTI in my portfolio?

IONQ and RGTI have a correlation of 0.83, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IONQ or RGTI?

RGTI has higher volatility (35.70%) compared to IONQ (27.92%). In terms of maximum drawdown, IONQ dropped -90.00% vs RGTI's -96.89%.

Which has better risk-adjusted returns?

RGTI currently has the higher Sharpe Ratio (0.89 vs 0.44), 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.