Quantum Corporation (QMCO) Stock Price History
Historical prices from 1982 to 2026
- 1M
- +107.6%
- 3M
- +95.1%
- YTD
- +249.4%
- 1Y
- +222.3%
- 3Y
- +23.7%
- 5Y
- -26.0%
Loading 10-year price history...
QMCO Historical Performance
QMCO Annual Returns
Year-by-year price performance · 2002–2026
- 2002 annual price return
- -73.2%
- 2003 annual price return
- +4.0%
- 2004 annual price return
- -17.9%
- 2005 annual price return
- +17.3%
- 2006 annual price return
- -23.9%
- 2007 annual price return
- +16.5%
- 2008 annual price return
- -86.2%
- 2009 annual price return
- +537.0%
- 2010 annual price return
- +24.0%
- 2011 annual price return
- -38.3%
- 2012 annual price return
- -44.4%
- 2013 annual price return
- -7.7%
- 2014 annual price return
- +46.7%
- 2015 annual price return
- -45.9%
- 2016 annual price return
- -5.4%
- 2017 annual price return
- -19.1%
- 2018 annual price return
- -66.2%
- 2019 annual price return
- +278.6%
- 2020 annual price return
- -15.1%
- 2021 annual price return
- -13.2%
- 2022 annual price return
- -80.7%
- 2023 annual price return
- -70.4%
- 2024 annual price return
- +696.5%
- 2025 annual price return
- -88.1%
- 2026 annual price return
- +52.0%
QMCO Stock Price Trajectory (1982–2026)
As of September 9, 2026, Quantum Corporation (QMCO) trades at $24.46, representing a +222.3% return over the past year. The stock has delivered a -77.8% total return over five years (-26.0% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $6,920.00 on September 24, 1997. From this peak, QMCO has corrected -99.6%, currently trading 150% above its 200-day moving average, indicating continued institutional support.
When compared to Technology sector peers NTAP (+56.1% 1Y), PSTG (-6.2% 1Y), and SMCI (+0.5% 1Y), QMCO has underperformed the peer group average. Compare QMCO vs NTAP →
QMCO Historical Price Data · from 1982
Rows 1–50 of 11,019| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-09-08 | 24.84 | 25.75 | 24.34 | 24.46 | 1.44M | -1.09% |
| 2026-09-04 | 24.47 | 25.48 | 23.93 | 24.73 | 1.04M | +1.77% |
| 2026-09-03 | 22.81 | 24.37 | 21.72 | 24.30 | 792K | +6.67% |
| 2026-09-02 | 24.05 | 24.42 | 22.27 | 22.78 | 912K | -5.75% |
| 2026-09-01 | 23.88 | 24.68 | 23.06 | 24.17 | 858K | -0.66% |
| 2026-08-31 | 22.00 | 24.41 | 21.54 | 24.33 | 1.19M | +9.30% |
| 2026-08-28 | 23.42 | 23.66 | 21.91 | 22.26 | 727K | -5.52% |
| 2026-08-27 | 23.50 | 23.85 | 22.84 | 23.56 | 878K | +1.51% |
| 2026-08-26 | 22.31 | 23.26 | 21.84 | 23.21 | 853K | +3.66% |
| 2026-08-25 | 21.90 | 22.41 | 21.01 | 22.39 | 959K | +3.85% |
| 2026-08-24 | 21.31 | 21.91 | 20.48 | 21.56 | 926K | -3.10% |
| 2026-08-21 | 20.80 | 22.40 | 19.73 | 22.25 | 1.47M | +8.59% |
| 2026-08-20 | 21.52 | 21.79 | 19.73 | 20.49 | 1.46M | -5.97% |
| 2026-08-19 | 23.27 | 23.27 | 21.29 | 21.79 | 1.86M | -7.36% |
| 2026-08-18 | 23.84 | 26.28 | 23.46 | 23.52 | 1.60M | -5.62% |
| 2026-08-17 | 24.83 | 25.95 | 23.75 | 24.92 | 2.09M | -4.56% |
| 2026-08-14 | 24.68 | 27.80 | 24.10 | 26.11 | 4.28M | +5.79% |
| 2026-08-13 | 21.75 | 24.93 | 21.52 | 24.68 | 4.39M | +12.49% |
| 2026-08-12 | 20.10 | 22.22 | 20.01 | 21.94 | 5.06M | +13.09% |
| 2026-08-11 | 14.52 | 19.60 | 13.99 | 19.40 | 16.54M | +64.69% |
| 2026-08-10 | 12.20 | 12.45 | 11.44 | 11.78 | 1.44M | -2.16% |
| 2026-08-07 | 11.88 | 12.18 | 11.65 | 12.04 | 657K | +3.08% |
| 2026-08-06 | 11.39 | 12.19 | 11.06 | 11.68 | 549K | +0.86% |
| 2026-08-05 | 11.33 | 11.98 | 11.13 | 11.58 | 486K | +1.14% |
| 2026-08-04 | 10.88 | 11.63 | 10.76 | 11.45 | 1.19M | +8.43% |
| 2026-08-03 | 10.60 | 11.02 | 10.19 | 10.56 | 728K | -0.75% |
| 2026-07-31 | 11.41 | 12.23 | 10.57 | 10.64 | 1.41M | -5.34% |
| 2026-07-30 | 11.41 | 11.43 | 10.34 | 11.24 | 1.47M | +7.56% |
| 2026-07-29 | 11.30 | 12.81 | 10.40 | 10.45 | 1.58M | -7.36% |
| 2026-07-28 | 10.91 | 11.43 | 9.86 | 11.28 | 1.14M | +2.83% |
| 2026-07-27 | 11.36 | 11.52 | 10.59 | 10.97 | 1.06M | -1.17% |
| 2026-07-24 | 11.43 | 11.54 | 10.94 | 11.10 | 348K | -3.90% |
| 2026-07-23 | 11.37 | 12.35 | 11.34 | 11.55 | 611K | -0.94% |
| 2026-07-22 | 11.29 | 12.24 | 11.27 | 11.66 | 654K | +1.75% |
| 2026-07-21 | 11.35 | 11.67 | 11.32 | 11.46 | 689K | +4.28% |
| 2026-07-20 | 10.67 | 11.48 | 10.54 | 10.99 | 689K | +3.39% |
| 2026-07-17 | 9.16 | 10.80 | 9.06 | 10.63 | 1.02M | +10.73% |
| 2026-07-16 | 10.07 | 10.39 | 9.48 | 9.60 | 944K | -6.80% |
| 2026-07-15 | 10.27 | 11.60 | 10.11 | 10.30 | 1.48M | +2.39% |
| 2026-07-14 | 9.66 | 10.31 | 9.66 | 10.06 | 556K | +4.03% |
| 2026-07-13 | 9.88 | 10.16 | 9.56 | 9.67 | 437K | -3.49% |
| 2026-07-10 | 10.35 | 10.45 | 9.63 | 10.02 | 721K | -3.65% |
| 2026-07-09 | 10.78 | 10.97 | 10.31 | 10.40 | 773K | -1.89% |
| 2026-07-08 | 9.89 | 10.69 | 9.83 | 10.60 | 1.42M | +4.64% |
| 2026-07-07 | 10.46 | 10.59 | 9.79 | 10.13 | 606K | -3.80% |
| 2026-07-06 | 10.22 | 10.61 | 9.91 | 10.53 | 625K | +3.64% |
| 2026-07-02 | 11.07 | 11.21 | 9.82 | 10.16 | 686K | -7.04% |
| 2026-07-01 | 10.80 | 11.35 | 10.55 | 10.93 | 781K | -0.64% |
| 2026-06-30 | 11.83 | 11.83 | 10.69 | 11.00 | 1.03M | -7.17% |
| 2026-06-29 | 11.71 | 12.73 | 11.33 | 11.85 | 1.13M | +1.72% |
QMCO Chart Terminal
Live VCP patterns, Cup & Handle overlays, support/resistance, and AI trade plans.
Live Breakouts Feed
High-probability breakout stocks crossing their pivot across 5 pattern engines.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
Peer Comparison
Compare growth, multiples, and margins vs sector.
QMCO — Frequently Asked Questions
Quick answers to the most common questions about buying QMCO stock.
How has QMCO stock performed recently?
QMCO returned +222.3% over the past year, beating its 5-year annualized CAGR of -26.0%. The stock trades above its 200-day moving average, confirming the uptrend.
What is QMCO's all-time high price?
Quantum Corporation reached $6920.00 on 1997-09-24. The 52-week high is $27.80. Current 1-year return of +222.3% places the stock closer to historical peaks.
Where can I download QMCO historical price data?
This page provides QMCO daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 1982-2026, downloadable in CSV format.