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Quantum Corporation

QMCONASDAQTechnologyComputer Hardware

$17.62Today:- (-)1Y +65.66%

As of Oct 23, 2026 close

Market cap
$387.43M
P/E (TTM)
-
Forward P/E
-
Dividend yield
-
52-week range
$4.19$35.65
Volume (live)
-
Avg. volume (3M)
1.98M

Quantum (QMCO) Historical Stock Prices

Analyze Quantum (QMCO) historical stock prices with comprehensive OHLC data, adjusted close prices, and daily trading volume. Access interactive price charts and detailed historical price data across multiple timeframes including daily, weekly, monthly, and yearly intervals for complete price history analysis.

Quantum (QMCO) Interactive Price Chart

Interactive historical price chart showing Quantum stock price movements and trends across multiple time periods.

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QMCO Historical Price Data Table

Complete historical stock price data with OHLC prices, adjusted close, and daily trading volume. Filter by time interval and date range for detailed price history analysis.

Filter Historical Data

Active filters: 6 Months · Daily126 records
Showing 1-50 of 126
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QMCO historical price data table with daily, weekly, monthly, quarterly, and yearly trading intervals. Track Open, High, Low, Close, Adjusted Close prices, and trading volume to analyze price trends, technical patterns, and market activity for comprehensive price history analysis.
DateOpenHighLowCloseAdj CloseVolume
Oct 23, 202617.6418.9917.3617.6217.621.94M
Oct 22, 202617.0717.8016.7416.9816.981.79M
Oct 21, 202619.2019.2317.2517.6217.622.14M
Oct 20, 202617.6020.0217.4118.9918.991.61M
Oct 19, 202619.1119.5318.2218.3118.311.67M
Oct 16, 202621.0321.0618.4218.4818.481.98M
Oct 15, 202622.5022.5220.3821.6121.613.33M
Oct 14, 202625.5226.2423.7723.8623.861.15M
Oct 13, 202626.0228.0725.7826.5226.522.08M
Oct 12, 202629.4129.9826.5827.5127.512.37M
Oct 9, 202629.8930.8028.3030.4330.431.20M
Oct 8, 202630.1532.5528.5529.1829.181.92M
Oct 7, 202632.5033.3930.4031.0731.071.45M
Oct 6, 202634.0235.4133.2933.4733.471.42M
Oct 5, 202634.3835.6533.6434.0134.011.65M
Oct 2, 202630.1035.1729.8534.5034.503.65M
Oct 1, 202633.1934.3731.5131.8931.891.92M
Sep 30, 202632.8333.1831.4031.7231.721.30M
Sep 29, 202632.3234.6831.1732.8632.861.97M
Sep 28, 202631.6532.9031.0731.4031.401.62M
Sep 25, 202630.0133.0129.0231.6831.684.24M
Sep 24, 202625.3932.0825.1029.4929.495.22M
Sep 23, 202625.4429.1524.5025.9725.973.69M
Sep 22, 202626.0526.4924.6525.6525.651.11M
Sep 21, 202626.0226.5025.0626.1026.101.10M
Sep 18, 202624.8325.3124.3025.0925.091.87M
Sep 17, 202624.6826.3924.5924.9424.941.45M
Sep 16, 202623.5624.3722.9023.8323.83759.23K
Sep 15, 202622.9024.0722.6123.2623.26875.11K
Sep 14, 202622.5924.1421.8022.8222.82961.39K
Sep 11, 202623.0323.7122.3023.5823.58786.22K
Sep 10, 202623.5424.5422.8923.0323.03987.46K
Sep 9, 202624.4025.4924.0824.2424.24861.64K
Sep 8, 202624.7325.7524.3324.4624.461.45M
Sep 4, 202624.4725.4823.9324.7324.731.05M
Sep 3, 202622.8124.3721.7224.3024.30795.49K
Sep 2, 202624.0524.4222.2722.7822.78917.34K
Sep 1, 202623.8524.6823.0624.1724.17861.85K
Aug 31, 202621.9724.4121.4124.3324.331.21M
Aug 28, 202623.4223.7221.9122.2622.26729.09K
Aug 27, 202623.5023.8522.8423.5623.56878.88K
Aug 26, 202622.3123.2621.7223.2123.21858.66K
Aug 25, 202621.9022.4121.0122.3922.39965.56K
Aug 24, 202621.3121.9120.4821.5621.56925.63K
Aug 21, 202620.8022.4019.7322.2522.251.47M
Aug 20, 202621.5221.7919.7320.4920.491.46M
Aug 19, 202623.2723.2721.2921.7921.791.86M
Aug 18, 202623.8426.2823.4623.5223.521.60M
Aug 17, 202624.8325.9523.7524.9224.922.09M
Aug 14, 202624.6827.8024.1026.1126.114.28M
Show:
of 126

Source: Daily price history (open, high, low, close and volume). Data as of Oct 23, 2026. Data sources and methodology

Understanding Historical Stock Price Data & OHLC Metrics

Open Price
The price at which the stock opened for trading at the start of the trading session.
High Price
The highest price at which the stock traded during the trading session.
Low Price
The lowest price at which the stock traded during the trading session.
Close Price
The final price when trading closed for the session.
Adjusted Close Price
The closing price adjusted for corporate actions such as dividends, stock splits, and rights offerings. Used for accurate long-term historical price analysis and return calculations.
Volume
The total number of shares traded during the session, indicating trading activity and liquidity.