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Quantum Corporation (QMCO)
NASDAQ: QMCO · Real-Time Price · USD
8.72
-0.02 (-0.23%)
At close: Dec 5, 2025, 4:00 PM EST
8.83
+0.11 (1.21%)
After-hours: Dec 5, 2025, 7:58 PM EST

Quantum Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Dec 5, 20258.738.988.508.728.72-0.23%490,673
Dec 4, 20258.168.768.068.748.745.81%612,859
Dec 3, 20257.718.267.638.268.266.99%325,274
Dec 2, 20257.567.827.527.727.722.39%235,794
Dec 1, 20257.527.757.437.547.54-3.95%258,668
Nov 28, 20257.587.917.497.857.854.95%299,217
Nov 26, 20256.907.636.907.487.487.63%468,414
Nov 25, 20256.977.016.566.956.95-0.29%565,730
Nov 24, 20257.007.116.876.976.97-0.14%650,177
Nov 21, 20257.097.166.556.986.98-4.51%969,609
Nov 20, 20257.928.307.267.317.31-4.32%826,586
Nov 19, 20257.647.837.427.647.64-0.91%505,899
Nov 18, 20257.297.817.267.717.714.33%623,464
Nov 17, 20257.348.037.277.397.39-6.10%895,069
Nov 14, 20257.458.487.437.877.8711.95%2,204,305
Nov 13, 20257.367.506.907.037.03-8.70%808,219
Nov 12, 20257.797.937.517.707.70-2.28%437,851
Nov 11, 20258.008.087.757.887.88-3.79%320,716
Nov 10, 20258.458.457.928.198.190.12%502,203
Nov 7, 20257.688.207.368.188.181.61%838,633
Nov 6, 20258.398.397.758.058.05-1.83%711,414
Nov 5, 20258.508.688.188.208.20-3.42%677,720
Nov 4, 20258.929.188.458.498.49-9.58%744,572
Nov 3, 20259.409.498.989.399.39-0.53%676,147
Oct 31, 20259.499.539.179.449.440.43%866,337
Oct 30, 20259.389.579.279.409.40-2.39%605,606
Oct 29, 202510.0610.169.419.639.63-4.18%1,265,985
Oct 28, 202510.0010.339.8310.0510.05-0.89%1,074,740
Oct 27, 202510.9811.0310.0110.1410.14-3.06%1,499,203
Oct 24, 202510.5411.2810.4210.4610.462.05%1,247,687
Oct 23, 202510.3910.519.9510.2510.259.98%1,535,493
Oct 22, 20259.659.688.909.329.32-5.95%1,284,327
Oct 21, 202510.3010.349.779.919.91-4.25%860,854
Oct 20, 202510.6810.8810.3310.3510.350.58%866,302
Oct 17, 202510.9911.1010.2510.2910.29-7.96%1,190,809
Oct 16, 202512.5012.6211.0511.1811.18-10.13%1,457,257
Oct 15, 202513.1213.4211.9412.4412.44-1.97%2,150,491
Oct 14, 202511.6713.1311.1812.6912.697.54%2,884,258
Oct 13, 202511.5612.2011.5011.8011.807.66%2,020,195
Oct 10, 202512.6613.0010.9210.9610.96-12.60%2,761,477
Oct 9, 202512.8513.3912.1212.5412.54-3.09%1,786,438
Oct 8, 202513.2413.6412.3712.9412.94-3.07%3,058,397
Oct 7, 202512.5015.3312.1013.3513.3512.09%9,097,251
Oct 6, 202511.5012.0610.9011.9111.911.28%2,423,427
Oct 3, 202511.5912.7211.5511.7611.767.69%5,414,865
Oct 2, 202510.9611.2410.3710.9210.920.28%2,191,762
Oct 1, 20259.8110.989.7810.8910.899.78%2,041,698
Sep 30, 20259.6510.429.509.929.921.22%1,389,258
Sep 29, 20259.649.829.059.809.803.38%1,078,346
Sep 26, 20259.6410.199.269.489.48-1.46%1,926,759
Sep 25, 20259.319.989.229.629.62-5.31%2,037,903
Sep 24, 202511.0611.1610.0610.1610.16-4.96%2,563,735
Sep 23, 202511.7412.4810.3610.6910.69-6.72%4,938,317
Sep 22, 202512.6112.8310.8811.4611.46-3.54%9,818,466
Sep 19, 20258.7012.698.5311.8811.8840.59%22,217,533
Sep 18, 20258.799.168.408.458.451.20%2,152,922
Sep 17, 20258.198.748.148.358.350.97%1,422,055
Sep 16, 20258.078.537.858.278.274.95%1,137,879
Sep 15, 20257.788.067.527.887.887.07%1,156,918
Sep 12, 20257.217.877.167.367.363.44%1,557,700
Sep 11, 20257.397.577.077.127.12-16.98%2,176,168
Sep 10, 20258.258.627.858.578.577.26%2,113,019
Sep 9, 20257.608.047.577.997.995.27%531,189
Sep 8, 20257.457.647.357.597.592.29%342,765
Sep 5, 20257.277.437.067.427.423.34%277,338
Sep 4, 20257.187.227.037.187.18-0.42%203,272
Sep 3, 20257.307.407.147.217.21-1.23%212,597
Sep 2, 20257.197.347.017.307.30-1.75%243,388
Aug 29, 20257.567.587.377.437.43-2.62%305,732
Aug 28, 20257.467.797.387.637.634.09%384,895
Aug 27, 20257.217.737.157.337.33-7.68%652,819
Aug 26, 20257.958.147.807.947.942.06%678,546
Aug 25, 20257.607.837.407.787.780.39%350,851
Aug 22, 20257.027.776.987.757.7510.24%564,489
Aug 21, 20256.707.036.687.037.033.84%329,710
Aug 20, 20256.806.896.516.776.77-0.88%419,081
Aug 19, 20257.347.346.766.836.83-8.20%802,325
Aug 18, 20257.467.527.277.447.44-1.46%236,427
Aug 15, 20257.837.837.477.557.55-4.07%466,686
Aug 14, 20257.817.907.587.877.87-1.62%329,643
Aug 13, 20257.358.007.278.008.007.67%675,639
Aug 12, 20257.687.706.907.437.43-3.00%897,426
Aug 11, 20257.917.997.617.667.66-1.79%459,379
Aug 8, 20257.928.087.777.807.80-1.52%465,871
Aug 7, 20258.048.087.817.927.920.13%261,606
Aug 6, 20258.048.147.847.917.91-4.81%379,228
Aug 5, 20258.218.397.988.318.312.85%661,338
Aug 4, 20257.728.087.628.088.087.30%520,093
Aug 1, 20257.747.817.457.537.53-5.99%605,033
Jul 31, 20257.958.247.878.018.011.78%445,593
Jul 30, 20257.958.147.837.877.87-0.13%376,826
Jul 29, 20258.308.387.867.887.88-4.83%674,268
Jul 28, 20258.909.058.128.288.28-6.76%1,011,526
Jul 25, 20258.869.048.708.888.88-423,171
Jul 24, 20259.129.128.868.888.88-2.95%476,836
Jul 23, 20259.159.349.009.159.15-0.11%597,664
Jul 22, 20259.219.218.689.169.161.55%664,683
Jul 21, 20259.269.309.019.029.02-1.42%702,309
Jul 18, 20259.469.608.919.159.15-2.45%1,044,456
Jul 17, 20259.589.659.209.389.38-2.80%1,314,547