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IONQ vs. QUBT: IonQ vs. Quantum Computing Stock Comparison

How do IonQ (IONQ) and Quantum Computing (QUBT) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

IonQ (IONQ) and Quantum Computing (QUBT) are both classified in the Technology Hardware, Storage & Peripherals sub-industry within the broader Technology Hardware, Storage & Peripherals industry, placing them in the closest GICS peer bucket.

IonQ (IONQ) is a large-cap at 15.16 billion USD, while Quantum Computing (QUBT) is small-cap at 1.43 billion USD — a noticeable scale difference that may affect liquidity, analyst coverage, and risk profile.

Company profile comparison for IonQ (IONQ) and Quantum Computing (QUBT)
Profile ItemIONQQUBT
NameIonQ, Inc.Quantum Computing Inc.
Country/RegionUnited StatesUnited States
GICS SectorInformation TechnologyInformation Technology
GICS Industry GroupTechnology Hardware & EquipmentTechnology Hardware & Equipment
GICS IndustryTechnology Hardware, Storage & PeripheralsTechnology Hardware, Storage & Peripherals
GICS Sub-IndustryTechnology Hardware, Storage & PeripheralsTechnology Hardware, Storage & Peripherals
Market Capitalization15.16 billion USD1.43 billion USD
CurrencyUSDUSD
ExchangeNYSENasdaq
Listing DateJanuary 4, 2021February 1, 2007
Security TypeCommon StockCommon Stock

Price Performance

Cumulative Growth

IONQ
QUBT
GSPC
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IonQ (IONQ) vs. Quantum Computing (QUBT), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for IonQ (IONQ) and Quantum Computing (QUBT). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for IonQ (IONQ) and Quantum Computing (QUBT). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for IonQ (IONQ) and Quantum Computing (QUBT)
MetricIONQQUBT
Total Return (1Y)-40.10%-47.32%
Total Return (3Y, Annualized)46.76%108.36%
Total Return (5Y, Annualized)9.52%-2.06%

Risk Profile

Drawdown History

IONQ
QUBT
GSPC
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IonQ (IONQ) vs. Quantum Computing (QUBT), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for IonQ (IONQ) and Quantum Computing (QUBT). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for IonQ (IONQ) and Quantum Computing (QUBT)
MetricIONQQUBT
Volatility (1Y, Annualized)94.72%89.55%
Beta (5Y)3.333.90
Max Drawdown (5Y)-90.00%-94.40%
Avg. Volume (3M)22.02M7.19M

Risk-Adjusted Performance

Risk-Return Positioning

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IONQ and QUBT are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for IonQ (IONQ) and Quantum Computing (QUBT)
MetricIONQQUBT
Sharpe Ratio (1Y)-0.47-0.58
Sortino Ratio (1Y)-0.74-0.87

Profitability

ROE (TTM)

Quantum Computing (QUBT) reports a negative ROE of -1.51%; negative ROE can reflect losses or negative shareholders’ equity, so it is harder to read as capital efficiency. Meanwhile IonQ (IONQ) reports 6.90%, ranking against industry peers normally.

IONQ

Technology Hardware & Equipment industry group

6.90%

Max
42.47%
Q3
19.13%
Median
11.00%
IONQ
6.90%
Q1
1.63%
Min
-20.62%

QUBT

Technology Hardware & Equipment industry group

-1.51%

Max
42.47%
Q3
19.13%
Median
11.00%
Q1
1.63%
QUBT
-1.51%
Min
-20.62%
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IonQ (IONQ) vs. Quantum Computing (QUBT): A comparison of their ROE against the Technology Hardware & Equipment industry group benchmark.

Net Margin (TTM)

Quantum Computing (QUBT) reports a negative net margin of -152.45%, usually indicating a net loss over the period. Meanwhile IonQ (IONQ) reports 67.09%, ranking against industry peers normally.

IONQ

Technology Hardware & Equipment industry group

67.09%

IONQ
67.09%
Max
27.60%
Q3
11.66%
Median
4.08%
Q1
0.00%
Min
-11.02%

QUBT

Technology Hardware & Equipment industry group

-152.45%

Max
27.60%
Q3
11.66%
Median
4.08%
Q1
0.00%
Min
-11.02%
QUBT
-152.45%
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IonQ (IONQ) vs. Quantum Computing (QUBT): A comparison of their net margin against the Technology Hardware & Equipment industry group benchmark.

Operating Margin (TTM)

Both IonQ (IONQ) at -249.14% and Quantum Computing (QUBT) at -281.27% report negative operating margin values, usually indicating operating losses over the period.

IONQ

Technology Hardware & Equipment industry group

-249.14%

Max
36.27%
Q3
18.36%
Median
8.84%
Q1
1.46%
Min
-21.39%
IONQ
-249.14%

QUBT

Technology Hardware & Equipment industry group

-281.27%

Max
36.27%
Q3
18.36%
Median
8.84%
Q1
1.46%
Min
-21.39%
QUBT
-281.27%
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IonQ (IONQ) vs. Quantum Computing (QUBT): A comparison of their operating margin against the Technology Hardware & Equipment industry group benchmark.

Profitability Metrics

Profitability metrics for IonQ (IONQ) and Quantum Computing (QUBT)
MetricIONQQUBT
ROE (TTM)6.90%-1.51%
ROA (TTM)-12.60%-4.16%
Net Margin (TTM)67.09%-152.45%
Operating Margin (TTM)-249.14%-281.27%
Gross Margin (TTM)24.67%-18.92%

Growth

Revenue Growth

Both IonQ (IONQ) at 201.85% and Quantum Computing (QUBT) at 82.84% are expanding revenue faster than their entire industry benchmark ranges for revenue growth — exceptional top-line momentum on both sides, though growth that far above the peer range is worth checking for one-off boosts such as acquisitions.

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IonQ (IONQ) vs. Quantum Computing (QUBT): A comparison of their Revenue Growth across different time periods.

EPS Growth

Neither IonQ (IONQ) nor Quantum Computing (QUBT) reports a EPS growth value for this period, so a direct comparison isn't possible.

Growth Metrics

Growth metrics for IonQ (IONQ) and Quantum Computing (QUBT)
MetricIONQQUBT
Revenue Growth (YoY)201.85%82.84%
Revenue Growth (3Y CAGR)126.89%71.17%
EPS Growth (YoY)----
EPS Growth (3Y CAGR)----

Financial Strength

Current Ratio (MRQ)

Both IonQ (IONQ) at 4.24 and Quantum Computing (QUBT) at 53.14 post current ratio above their industries’ typical mid-ranges — short-term liquidity appears comfortable, though unusually high readings can point to idle current assets.

IONQ

Technology Hardware & Equipment industry group

4.24

Max
5.34
IONQ
4.24
Q3
3.02
Median
1.95
Q1
1.32
Min
0.17

QUBT

Technology Hardware & Equipment industry group

53.14

QUBT
53.14
Max
5.34
Q3
3.02
Median
1.95
Q1
1.32
Min
0.17
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IonQ (IONQ) vs. Quantum Computing (QUBT): A comparison of their current ratio against the Technology Hardware & Equipment industry group benchmark.

Debt / Equity (MRQ)

Both IonQ (IONQ) at 0.01 and Quantum Computing (QUBT) at 0.01 keep leverage in the lower quartile of their industries, with less balance-sheet debt relative to equity than most peers.

IONQ

Technology Hardware & Equipment industry group

0.01

Max
1.76
Q3
0.78
Median
0.24
Q1
0.04
IONQ
0.01
Min
0.01

QUBT

Technology Hardware & Equipment industry group

0.01

Max
1.76
Q3
0.78
Median
0.24
Q1
0.04
QUBT
0.01
Min
0.01
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IonQ (IONQ) vs. Quantum Computing (QUBT): A comparison of their debt-to-equity ratio against the Technology Hardware & Equipment industry group benchmark.

Financial Strength Metrics

Financial strength metrics for IonQ (IONQ) and Quantum Computing (QUBT)
MetricIONQQUBT
Current Ratio (MRQ)4.2453.14
Debt / Equity (MRQ)0.010.01
Net Debt / EBITDA----

Dividends

Dividend Yield (TTM)

Neither IonQ (IONQ) nor Quantum Computing (QUBT) pays a dividend this period — they may reinvest, use buybacks, or simply not return cash through dividends.

IONQ

Technology Hardware & Equipment industry group

0.00%

Max
0.73%
Q3
0.31%
IONQ
0.00%
Median
0.00%
Q1
0.00%
Min
0.00%

QUBT

Technology Hardware & Equipment industry group

0.00%

Max
0.73%
Q3
0.31%
QUBT
0.00%
Median
0.00%
Q1
0.00%
Min
0.00%
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IonQ (IONQ) vs. Quantum Computing (QUBT): A comparison of their dividend yield against the Technology Hardware & Equipment industry group benchmark.

Dividend Payout Ratio (TTM)

Neither IonQ (IONQ) nor Quantum Computing (QUBT) pays a dividend this period — they may reinvest, use buybacks, or simply not return cash through dividends.

IONQ

Technology Hardware & Equipment industry group

0.00%

Max
32.27%
Q3
14.48%
IONQ
0.00%
Median
0.00%
Q1
0.00%
Min
0.00%

QUBT

Technology Hardware & Equipment industry group

0.00%

Max
32.27%
Q3
14.48%
QUBT
0.00%
Median
0.00%
Q1
0.00%
Min
0.00%
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IonQ (IONQ) vs. Quantum Computing (QUBT): A comparison of their payout ratio against the Technology Hardware & Equipment industry group benchmark.

Dividend Metrics

Dividend metrics for IonQ (IONQ) and Quantum Computing (QUBT)
MetricIONQQUBT
Dividend Yield (TTM)0.00%0.00%
Dividend Payout Ratio (TTM)0.00%0.00%

Valuation

P/E Ratio (TTM)

An earnings multiple is available for just one side: IonQ (IONQ) trades at 18.86 times trailing earnings, ranked against its peers, while Quantum Computing (QUBT) has no P/E ratio this period.

IONQ

Technology Hardware & Equipment industry group

18.86

Max
69.48
Q3
41.02
Median
26.39
Q1
19.36
IONQ
18.86
Min
6.07

QUBT

Technology Hardware & Equipment industry group

--

Max
69.48
Q3
41.02
Median
26.39
Q1
19.36
Min
6.07
QUBT
--
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IonQ (IONQ) vs. Quantum Computing (QUBT): QUBT does not report P/E ratio, so it has no value marker; IONQ is benchmarked against the Technology Hardware & Equipment industry group.

P/S Ratio (TTM)

Investors are paying well above the peer range per dollar of sales for both IonQ (IONQ) at 39.84 and Quantum Computing (QUBT) at 145.84 — each P/S ratio clears its industry’s benchmark range.

IONQ

Technology Hardware & Equipment industry group

39.84

IONQ
39.84
Max
11.30
Q3
5.82
Median
2.56
Q1
1.05
Min
0.00

QUBT

Technology Hardware & Equipment industry group

145.84

QUBT
145.84
Max
11.30
Q3
5.82
Median
2.56
Q1
1.05
Min
0.00
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IonQ (IONQ) vs. Quantum Computing (QUBT): A comparison of their P/S ratio against the Technology Hardware & Equipment industry group benchmark.

P/B Ratio (MRQ)

Quantum Computing (QUBT) at 0.90 sits in the lower P/B ratio quartile against book while IonQ (IONQ) at 2.67 is valued near its industry’s middle — QUBT is cheaper on assets, though weigh it against ROE and asset quality.

IONQ

Technology Hardware & Equipment industry group

2.67

Max
10.75
Q3
5.52
Median
3.17
IONQ
2.67
Q1
1.79
Min
0.33

QUBT

Technology Hardware & Equipment industry group

0.90

Max
10.75
Q3
5.52
Median
3.17
Q1
1.79
QUBT
0.90
Min
0.33
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IonQ (IONQ) vs. Quantum Computing (QUBT): A comparison of their P/B ratio against the Technology Hardware & Equipment industry group benchmark.

Valuation Metrics

Valuation metrics for IonQ (IONQ) and Quantum Computing (QUBT)
MetricIONQQUBT
P/E Ratio (TTM)18.86--
P/S Ratio (TTM)39.84145.84
P/B Ratio (MRQ)2.670.90
Free Cash Flow Yield (TTM)-2.81%-3.76%