Quantum Corporation (QMCO) P/E Ratio History
Deep ValueTrading at -0.6x · 0th percentile of 5-year range · Significant discount to historical valuation · Data 1996–2018
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P/E Ratio Analysis
As of June 23, 2026, Quantum Corporation (QMCO) trades at a price-to-earnings ratio of -0.6x, with a stock price of $14.04 and trailing twelve-month earnings per share of $-7.36.
The current P/E is 100% below its 5-year average of 1069.7x. Over the past five years, QMCO's P/E has ranged from a low of 8.3x to a high of 16307.7x, placing the current valuation at the 0th percentile of its historical range.
Compared to the Technology sector median P/E of 28.3x, QMCO trades at a 102% discount to its sector peers. The sector includes 353 companies with P/E ratios ranging from 0.0x to 189.7x.
Relative to the broader market, QMCO trades at a notable discount to the S&P 500 median P/E of 24.3x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our QMCO DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
QMCO Cross-Benchmark Valuation
How does the current P/E compare to sector peers and the broader market?
QMCO P/E vs Peers
Data Center Compute and Storage peers sorted by market cap
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $31B | 24.9 | 1.73 | +12% | |
| $28B | 183.4 | - | +0% | |
| $21B | 21.1 | 0.30Best | +0% | |
| $1B | 16.4Lowest | - | -2% | |
| $239B | 161.6 | 12.85 | +328%Best | |
| $249B | 143.2 | - | +296% | |
| $278B | 48.3 | 3.04 | +36% | |
| $237B | 22.6 | 1.80 | +74% | |
| $2.5T | 32.5 | 1.22 | +30% |
Lower P/E can signal a discount or weaker growth expectations; PEG adds growth context.
QMCO Historical P/E Data (1996–2018)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Period End | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2018 Q1 | Jun 30 2017 | $156.20 | $1.40 | 111.6x | -82% |
| FY2017 Q4 | Mar 31 2017 | $139.20 | $2.00 | 69.6x | -88% |
| FY2016 Q1 | - | $268.80 | $5.58 | 48.2x | -92% |
| FY2015 Q4 | - | $256.00 | $8.78 | 29.2x | -95% |
| FY2012 Q3 | Dec 31 2011 | $384.00 | $0.45 | 860.6x | +42% |
| FY2012 Q2 | Sep 30 2011 | $289.60 | $2.05 | 141.5x | -77% |
| FY2012 Q1 | - | $528.00 | $2.05 | 258.0x | -57% |
| FY2011 Q4 | - | $403.20 | $3.65 | 110.6x | -82% |
| FY2011 Q3 | Dec 31 2010 | $595.20 | $1.62 | 367.2x | -39% |
| FY2011 Q2 | - | $339.20 | $0.02 | 16307.7x | +2597% |
| FY2011 Q1 | Jun 30 2010 | $300.80 | $4.82 | 62.4x | -90% |
| FY2010 Q4 | Mar 31 2010 | $420.80 | $3.22 | 130.7x | -78% |
| FY2010 Q3 | - | $468.80 | $6.40 | 73.3x | -88% |
| FY2006 Q1 | Jun 27 2005 | $459.20 | $0.17 | 2736.6x | +353% |
| FY2002 Q4 | Mar 31 2002 | $1273.60 | $43.03 | 29.6x | -95% |
| FY2002 Q3 | Dec 30 2001 | $1614.40 | $90.56 | 17.8x | -97% |
| FY2002 Q2 | Sep 30 2001 | $1305.60 | $131.56 | 9.9x | -98% |
| FY2002 Q1 | Jul 01 2001 | $1614.40 | $195.13 | 8.3x | -99% |
| FY2001 Q4 | Mar 31 2001 | $1856.00 | $190.33 | 9.8x | -98% |
| FY2001 Q3 | Dec 31 2000 | $2120.00 | $185.68 | 11.4x | -98% |
| FY2001 Q2 | Oct 01 2000 | $2410.00 | $192.08 | 12.5x | -98% |
| FY2001 Q1 | Jul 02 2000 | $1550.00 | $163.71 | 9.5x | -98% |
| FY2000 Q4 | Mar 31 2000 | $1910.00 | $136.51 | 14.0x | -98% |
| FY2000 Q3 | Dec 26 1999 | $2290.00 | $320.59 | 7.1x | -99% |
| FY2000 Q2 | Sep 26 1999 | $2300.00 | $166.77 | 13.8x | -98% |
| FY2000 Q1 | Jun 27 1999 | $3770.00 | $164.74 | 22.9x | -96% |
| FY1999 Q4 | Mar 31 1999 | $2880.00 | $119.72 | 24.1x | -96% |
| FY1999 Q1 | Jun 28 1998 | $3080.00 | $90.42 | 34.1x | -94% |
| FY1998 Q4 | - | $3410.00 | $205.29 | 16.6x | -97% |
| FY1998 Q3 | Dec 28 1997 | $3080.00 | $205.29 | 15.0x | -98% |
| FY1998 Q2 | Sep 28 1997 | $6460.00 | $321.82 | 20.1x | -97% |
| FY1998 Q1 | Jun 29 1997 | $3240.00 | $201.84 | 16.1x | -97% |
| FY1997 Q4 | Mar 31 1997 | $3090.00 | $89.59 | 34.5x | -94% |
| FY1996 Q3 | Dec 31 1995 | $1290.00 | $56.06 | 23.0x | -96% |
| FY1996 Q2 | Oct 01 1995 | $1750.00 | $60.39 | 29.0x | -95% |
| FY1996 Q1 | Jul 02 1995 | $1830.00 | $22.32 | 82.0x | -86% |
Average P/E for displayed period: 604.7x
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
30+ years return with dividends reinvested.
DCA Calculator
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Peer Comparison
Compare growth, multiples, and margins vs sector.
QMCO — Frequently Asked Questions
Quick answers to the most common questions about buying QMCO stock.
What is QMCO's P/E ratio?
Quantum Corporation (QMCO) trailing twelve-month P/E ratio is -0.6x, based on TTM diluted EPS of $-7.36. The 5-year average P/E is 1069.7x and the historical range spans 8.3x to 16307.7x.
Is QMCO stock overvalued or undervalued?
QMCO trades at -0.6x P/E, below its 5-year average of 1069.7x. At the 0th percentile of its historical range (8.3x–16307.7x), the stock is priced at a discount to its own history.
Is QMCO stock expensive?
No, QMCO is not expensive on a historical basis. The current P/E of -0.6x is below the 5-year average of 1069.7x and sits at the 0th percentile of its valuation range.
What is QMCO's historical P/E range?
Over the past 5 years, QMCO's P/E ratio has ranged from 8.3x to 16307.7x, with a median of 73.3x and an average of 1069.7x. The current P/E of -0.6x places the stock at the 0th percentile of this range. Full historical data spans 1996–2018.
How does QMCO's P/E compare to the S&P 500?
QMCO trades at -0.6x P/E versus the S&P 500 median of 24.3x. The 102% discount to the market suggests lower growth expectations or perceived higher risk.
How does QMCO's valuation compare to Technology peers?
Quantum Corporation P/E of -0.6x compares to the Technology sector median of 28.3x. The discount suggests lower growth expectations, weaker margins, or higher perceived risk relative to peers. See the peer comparison table on this page for ticker-by-ticker P/E and PEG.
What is QMCO's PEG ratio?
QMCO PEG ratio is N/A, based on a P/E of -0.6x and EPS growth of -159.9%. PEG normalises P/E by growth and helps compare stocks with different earnings trajectories.
What is QMCO's earnings yield?
QMCO earnings yield is N/A, the inverse of its -0.6x P/E ratio. Earnings yield represents the percentage of each dollar invested that the company earns. It can be compared directly to bond yields to assess relative attractiveness of stocks versus fixed income.