QUBT vs. SNDK: Quantum Computing vs. Sandisk Stock Comparison
How do Quantum Computing (QUBT) and Sandisk (SNDK) 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
Quantum Computing (QUBT) and Sandisk (SNDK) 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.
Sandisk (SNDK) is a large-cap at 118.82 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.
Quantum Computing (QUBT) has been public since February 1, 2007, giving it a longer listed trading history, while Sandisk (SNDK) listed on February 13, 2025 and still has a shorter public-market record.
| Profile Item | QUBT | SNDK |
|---|---|---|
| Name | Quantum Computing Inc. | Sandisk Corp. |
| Country/Region | United States | United States |
| GICS Sector | Information Technology | Information Technology |
| GICS Industry Group | Technology Hardware & Equipment | Technology Hardware & Equipment |
| GICS Industry | Technology Hardware, Storage & Peripherals | Technology Hardware, Storage & Peripherals |
| GICS Sub-Industry | Technology Hardware, Storage & Peripherals | Technology Hardware, Storage & Peripherals |
| Market Capitalization | 1.43 billion USD | 118.82 billion USD |
| Currency | USD | USD |
| Exchange | Nasdaq | Nasdaq |
| Listing Date | February 1, 2007 | February 13, 2025 |
| Security Type | Common Stock | Common Stock |
Price Performance
Cumulative Growth
Trailing Returns
Calendar-Year Returns
Performance Metrics
| Metric | QUBT | SNDK |
|---|---|---|
| Total Return (1Y) | -47.32% | 270.34% |
| Total Return (3Y, Annualized) | 108.36% | -- |
| Total Return (5Y, Annualized) | -2.06% | -- |
Risk Profile
Drawdown History
Return Distribution
Risk Metrics
| Metric | QUBT | SNDK |
|---|---|---|
| Volatility (1Y, Annualized) | 89.55% | 113.97% |
| Beta (5Y) | 3.90 | 6.00 |
| Max Drawdown (5Y) | -94.40% | -65.46% |
| Avg. Volume (3M) | 7.19M | 10.75M |
Risk-Adjusted Performance
Risk-Return Positioning
Risk-Adjusted Metrics
| Metric | QUBT | SNDK |
|---|---|---|
| Sharpe Ratio (1Y) | -0.58 | 2.33 |
| Sortino Ratio (1Y) | -0.87 | 3.66 |
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 Sandisk (SNDK) reports 141.17%, ranking against industry peers normally.
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%
SNDK
Technology Hardware & Equipment industry group
141.17%
- SNDK
- 141.17%
- Max
- 42.47%
- Q3
- 19.13%
- Median
- 11.00%
- Q1
- 1.63%
- Min
- -20.62%
Net Margin (TTM)
Quantum Computing (QUBT) reports a negative net margin of -152.45%, usually indicating a net loss over the period. Meanwhile Sandisk (SNDK) reports 67.04%, ranking against industry peers normally.
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%
SNDK
Technology Hardware & Equipment industry group
67.04%
- SNDK
- 67.04%
- Max
- 27.60%
- Q3
- 11.66%
- Median
- 4.08%
- Q1
- 0.00%
- Min
- -11.02%
Operating Margin (TTM)
Quantum Computing (QUBT) reports a negative operating margin of -281.27%, usually indicating that operating costs exceeded revenue at the operating-income line. Meanwhile Sandisk (SNDK) reports 79.59%, ranking against industry peers normally.
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%
SNDK
Technology Hardware & Equipment industry group
79.59%
- SNDK
- 79.59%
- Max
- 36.27%
- Q3
- 18.36%
- Median
- 8.84%
- Q1
- 1.46%
- Min
- -21.39%
Profitability Metrics
| Metric | QUBT | SNDK |
|---|---|---|
| ROE (TTM) | -1.51% | 141.17% |
| ROA (TTM) | -4.16% | 68.29% |
| Net Margin (TTM) | -152.45% | 67.04% |
| Operating Margin (TTM) | -281.27% | 79.59% |
| Gross Margin (TTM) | -18.92% | 79.95% |
Growth
Revenue Growth
Both Quantum Computing (QUBT) at 82.84% and Sandisk (SNDK) at 175.30% 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.
EPS Growth
Neither Quantum Computing (QUBT) nor Sandisk (SNDK) reports a EPS growth value for this period, so a direct comparison isn't possible.
Growth Metrics
| Metric | QUBT | SNDK |
|---|---|---|
| Revenue Growth (YoY) | 82.84% | 175.30% |
| Revenue Growth (3Y CAGR) | 71.17% | 49.29% |
| EPS Growth (YoY) | -- | -- |
| EPS Growth (3Y CAGR) | -- | -- |
Financial Strength
Current Ratio (MRQ)
Sandisk (SNDK) at 2.58 keeps current ratio within its industry’s typical mid-range, while Quantum Computing (QUBT) at 53.14 sits above its industry’s typical mid-range — comfortable liquidity, though possibly with more idle current assets relative to peers.
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
SNDK
Technology Hardware & Equipment industry group
2.58
- Max
- 5.34
- Q3
- 3.02
- SNDK
- 2.58
- Median
- 1.95
- Q1
- 1.32
- Min
- 0.17
Debt / Equity (MRQ)
Both Quantum Computing (QUBT) at 0.01 and Sandisk (SNDK) at 0.01 keep leverage in the lower quartile of their industries, with less balance-sheet debt relative to equity than most peers.
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
SNDK
Technology Hardware & Equipment industry group
0.01
- Max
- 1.76
- Q3
- 0.78
- Median
- 0.24
- Q1
- 0.04
- SNDK
- 0.01
- Min
- 0.01
Financial Strength Metrics
| Metric | QUBT | SNDK |
|---|---|---|
| Current Ratio (MRQ) | 53.14 | 2.58 |
| Debt / Equity (MRQ) | 0.01 | 0.01 |
| Net Debt / EBITDA | -- | -0.24 |
Dividends
Dividend Yield (TTM)
Neither Quantum Computing (QUBT) nor Sandisk (SNDK) pays a dividend this period — they may reinvest, use buybacks, or simply not return cash through dividends.
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%
SNDK
Technology Hardware & Equipment industry group
0.00%
- Max
- 0.73%
- Q3
- 0.31%
- SNDK
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Payout Ratio (TTM)
Neither Quantum Computing (QUBT) nor Sandisk (SNDK) pays a dividend this period — they may reinvest, use buybacks, or simply not return cash through dividends.
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%
SNDK
Technology Hardware & Equipment industry group
0.00%
- Max
- 32.27%
- Q3
- 14.48%
- SNDK
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Metrics
| Metric | QUBT | SNDK |
|---|---|---|
| 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: Sandisk (SNDK) trades at 6.67 times trailing earnings, ranked against its peers, while Quantum Computing (QUBT) has no P/E ratio this period.
QUBT
Technology Hardware & Equipment industry group
--
- Max
- 69.48
- Q3
- 41.02
- Median
- 26.39
- Q1
- 19.36
- Min
- 6.07
- QUBT
- --
SNDK
Technology Hardware & Equipment industry group
6.67
- Max
- 69.48
- Q3
- 41.02
- Median
- 26.39
- Q1
- 19.36
- SNDK
- 6.67
- Min
- 6.07
P/S Ratio (TTM)
Sandisk (SNDK) at 4.10 prices around its industry’s typical P/S ratio, while Quantum Computing (QUBT) at 145.84 clears its benchmark range — QUBT looks notably rich on sales.
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
SNDK
Technology Hardware & Equipment industry group
4.10
- Max
- 11.30
- Q3
- 5.82
- SNDK
- 4.10
- Median
- 2.56
- Q1
- 1.05
- Min
- 0.00
P/B Ratio (MRQ)
Quantum Computing (QUBT) at 0.90 looks cheap against book in the lower P/B ratio quartile, while Sandisk (SNDK) at 6.63 carries a premium in the upper quartile — a clear price-to-book gap.
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
SNDK
Technology Hardware & Equipment industry group
6.63
- Max
- 10.75
- SNDK
- 6.63
- Q3
- 5.52
- Median
- 3.17
- Q1
- 1.79
- Min
- 0.33
Valuation Metrics
| Metric | QUBT | SNDK |
|---|---|---|
| P/E Ratio (TTM) | -- | 6.67 |
| P/S Ratio (TTM) | 145.84 | 4.10 |
| P/B Ratio (MRQ) | 0.90 | 6.63 |
| Free Cash Flow Yield (TTM) | -3.76% | 9.46% |