QMCO vs. STX
QMCO (Quantum Corporation) and STX (Seagate Technology plc) are both stocks. Both operate in the Computer Hardware industry within the Technology sector. Over the past 10 years, QMCO returned -14.42%/yr vs 50.27%/yr for STX. At a 0.30 correlation, their price movements are largely independent.
Performance
QMCO vs. STX - Performance Comparison
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Returns By Period
In the year-to-date period, QMCO achieves a 144.65% return, which is significantly lower than STX's 236.83% return. Over the past 10 years, QMCO has underperformed STX with an annualized return of -14.42%, while STX has yielded a comparatively higher 50.27% annualized return.
QMCO
- 1D
- -1.07%
- 1M
- 90.81%
- YTD
- 144.65%
- 6M
- 80.55%
- 1Y
- 32.16%
- 3Y*
- -13.76%
- 5Y*
- -35.43%
- 10Y*
- -14.42%
STX
- 1D
- -1.56%
- 1M
- 20.10%
- YTD
- 236.83%
- 6M
- 250.13%
- 1Y
- 634.82%
- 3Y*
- 154.48%
- 5Y*
- 61.06%
- 10Y*
- 50.27%
QMCO vs. STX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
QMCO Quantum Corporation | 144.65% | -88.04% | 672.49% | -67.98% | -80.25% | -9.80% | -17.52% | 271.00% | -64.48% | -15.42% |
STX Seagate Technology plc | 236.83% | 225.26% | 4.06% | 69.12% | -51.42% | 87.50% | 10.14% | 62.14% | -2.90% | 16.67% |
Correlation
The correlation between QMCO and STX is 0.33, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.33 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.23 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.27 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.25 |
Correlation (All Time) Calculated using the full available price history since Dec 12, 2002 | 0.30 |
Fundamentals
QMCO:
$216.01M
STX:
$211.13B
QMCO:
-$8.86
STX:
$10.58
QMCO:
0.69
STX:
18.90
QMCO:
$261.28M
STX:
$11.01B
QMCO:
$97.87M
STX:
$4.57B
QMCO:
-$51.03M
STX:
$2.59B
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Return for Risk
QMCO vs. STX — Risk / Return Rank
QMCO
STX
QMCO vs. STX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Quantum Corporation (QMCO) and Seagate Technology plc (STX). 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.
| QMCO | STX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -9.91 | ||
| Sortino ratioReturn per unit of downside risk | -5.21 | ||
| Omega ratioGain probability vs. loss probability | 1.14 | 1.84 | -0.70 |
| Calmar ratioReturn relative to maximum drawdown | 0.48 | 30.51 | -30.03 |
| Martin ratioReturn relative to average drawdown | 0.82 | 89.85 | -89.04 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| QMCO | STX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.31 | 10.22 | -9.91 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.22 | 1.38 | -1.60 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.12 | 1.20 | -1.31 |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.17 | 0.54 | -0.71 |
Drawdowns
QMCO vs. STX - Drawdown Comparison
The maximum QMCO drawdown since its inception was -99.93%, which is greater than STX's maximum drawdown of -88.74%. Use the drawdown chart below to compare losses from any high point for QMCO and STX.
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Drawdown Indicators
| QMCO | STX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.93% | -88.74% | -11.19% |
Max Drawdown (1Y)Largest decline over 1 year | -67.72% | -21.00% | -46.72% |
Max Drawdown (3Y)Largest decline over 3 years | -93.90% | -40.00% | -53.90% |
Max Drawdown (5Y)Largest decline over 5 years | -98.41% | -56.99% | -41.42% |
Max Drawdown (10Y)Largest decline over 10 years | -98.67% | -56.99% | -41.68% |
Current DrawdownCurrent decline from peak | -99.54% | -1.56% | -97.98% |
Average DrawdownAverage peak-to-trough decline | -88.08% | -26.46% | -61.62% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 40.44% | 7.12% | +33.32% |
Volatility
QMCO vs. STX - Volatility Comparison
Quantum Corporation (QMCO) has a higher volatility of 42.30% compared to Seagate Technology plc (STX) at 15.23%. This indicates that QMCO's price experiences larger fluctuations and is considered to be riskier than STX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| QMCO | STX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 42.30% | 15.23% | +27.07% |
Volatility (6M)Calculated over the trailing 6-month period | 71.25% | 49.10% | +22.15% |
Volatility (1Y)Calculated over the trailing 1-year period | 103.92% | 62.75% | +41.17% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 159.16% | 44.45% | +114.71% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 124.82% | 42.08% | +82.74% |
Dividends
QMCO vs. STX - Dividend Comparison
QMCO has not paid dividends to shareholders, while STX's dividend yield for the trailing twelve months is around 0.32%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
QMCO Quantum Corporation | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
STX Seagate Technology plc | 0.32% | 1.05% | 3.27% | 3.28% | 5.32% | 2.40% | 4.21% | 4.27% | 6.53% | 6.02% | 6.60% | 6.14% |
Financials
QMCO vs. STX - Financials Comparison
This section allows you to compare key financial metrics between Quantum Corporation and Seagate Technology plc. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
QMCO vs. STX - Profitability Comparison
QMCO - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Quantum Corporation reported a gross profit of 28.93M and revenue of 74.59M. Therefore, the gross margin over that period was 38.8%.
STX - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Seagate Technology plc reported a gross profit of 1.45B and revenue of 3.11B. Therefore, the gross margin over that period was 46.5%.
QMCO - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Quantum Corporation reported an operating income of -1.19M and revenue of 74.59M, resulting in an operating margin of -1.6%.
STX - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Seagate Technology plc reported an operating income of 982.00M and revenue of 3.11B, resulting in an operating margin of 31.6%.
QMCO - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Quantum Corporation reported a net income of -27.84M and revenue of 74.59M, resulting in a net margin of -37.3%.
STX - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Seagate Technology plc reported a net income of 748.00M and revenue of 3.11B, resulting in a net margin of 24.0%.
Frequently Asked Questions
QMCO and STX have a correlation of 0.33, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
QMCO has higher volatility (42.30%) compared to STX (15.23%). In terms of maximum drawdown, QMCO dropped -99.93% vs STX's -88.74%.
STX currently has the higher Sharpe Ratio (10.22 vs 0.31), 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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