QMCO
QUANTUM (QMCO)
NASDAQ
$17.55-$0.07 (-0.40%)
Price as of Oct 23, 2026 7:49 PM EDT
  • $694.4M
    Market Cap
  • 68.45%
    1-Year Change
  • Computer Hardware
    Industry
  • 1 Month
    -32.15%
    Low Price$16.98
    High Price$34.50
  • 3 Months
    +52.55%
    Low Price$10.45
    High Price$34.50
  • 1 Year
    +68.45%
    Low Price$4.31
    High Price$34.50
Date
Open
High
Low
Close
Change (%)
Volume
10/23/2026
17.64
18.99
17.36
17.62
+3.77%
1,935,013
10/22/2026
17.07
17.80
16.74
16.98
-3.63%
1,787,626
10/21/2026
19.20
19.23
17.25
17.62
-7.21%
2,146,013
10/20/2026
17.60
20.03
17.41
18.99
+3.71%
1,625,912
10/19/2026
19.11
19.53
18.22
18.31
-0.92%
1,674,067
10/16/2026
21.03
21.06
18.42
18.48
-14.46%
1,987,418
10/15/2026
22.50
22.52
20.38
21.61
-9.45%
3,325,386
10/14/2026
25.52
26.24
23.77
23.86
-10.03%
1,146,015
10/13/2026
26.02
28.07
25.78
26.52
-3.60%
2,077,232
10/12/2026
29.41
29.98
26.58
27.51
-9.58%
2,369,689
10/09/2026
29.89
30.80
28.30
30.43
+4.27%
1,202,181
10/08/2026
30.15
32.55
28.55
29.18
-6.08%
1,919,372
10/07/2026
32.50
33.39
30.40
31.07
-7.17%
1,446,724
10/06/2026
34.02
35.41
33.29
33.47
-1.57%
1,447,517
10/05/2026
34.39
35.65
33.64
34.01
-1.43%
1,650,245
10/02/2026
30.10
35.17
29.85
34.50
+8.20%
3,728,997
10/01/2026
33.19
34.37
31.51
31.89
+0.52%
1,918,157
09/30/2026
32.83
33.18
31.40
31.72
-3.47%
1,300,179
09/29/2026
32.32
34.68
31.17
32.86
+4.65%
1,967,780
09/28/2026
31.65
32.90
31.07
31.40
-0.88%
1,616,579
09/25/2026
30.01
33.01
29.02
31.68
+7.43%
4,241,080
09/24/2026
25.39
32.08
25.10
29.49
+13.55%
5,218,985
09/23/2026
25.44
29.15
24.50
25.97
+1.25%
3,691,545
09/22/2026
26.05
26.49
24.65
25.65
-1.72%
1,100,680
09/21/2026
26.02
26.50
25.06
26.10
+4.03%
1,097,529
09/18/2026
24.83
25.31
24.30
25.09
+0.60%
1,869,457
09/17/2026
24.68
26.39
24.59
24.94
+4.66%
1,451,288
09/16/2026
23.56
24.37
22.90
23.83
+2.45%
759,232
09/15/2026
22.90
24.07
22.61
23.26
+1.91%
875,105
09/14/2026
22.60
24.13
21.80
22.83
-3.20%
961,388
09/11/2026
23.03
23.72
22.30
23.58
+2.39%
898,121
09/10/2026
23.54
24.54
22.90
23.03
-4.99%
987,463
09/09/2026
24.40
25.49
24.08
24.24
-0.90%
861,644
09/08/2026
24.73
25.75
24.33
24.46
-1.09%
1,445,347
09/04/2026
24.47
25.48
23.93
24.73
+1.77%
1,048,916
09/03/2026
22.81
24.37
21.72
24.30
+6.67%
795,489
09/02/2026
24.05
24.42
22.27
22.78
-5.75%
917,327
09/01/2026
23.85
24.68
23.06
24.17
-0.66%
861,847
08/31/2026
21.97
24.41
21.41
24.33
+9.30%
1,201,247
08/28/2026
23.42
23.72
21.91
22.26
-5.52%
729,094
08/27/2026
23.50
23.85
22.84
23.56
+1.51%
878,878
08/26/2026
22.31
23.26
21.72
23.21
+3.66%
858,658
08/25/2026
21.90
22.41
21.01
22.39
+3.85%
965,559
08/24/2026
21.31
21.91
20.48
21.56
-3.10%
925,635
08/21/2026
20.80
22.40
19.73
22.25
+8.59%
1,466,735
08/20/2026
21.52
21.79
19.73
20.49
-5.97%
1,461,517
08/19/2026
23.27
23.27
21.29
21.79
-7.36%
1,850,755
08/18/2026
23.84
26.28
23.46
23.52
-5.62%
1,596,759
08/17/2026
24.83
25.95
23.75
24.92
-4.56%
2,094,629
08/14/2026
24.68
27.80
24.10
26.11
+5.79%
4,277,968
08/13/2026
21.75
24.93
21.52
24.68
+12.51%
4,386,785
08/12/2026
20.10
22.22
20.01
21.94
+13.07%
5,059,958
08/11/2026
14.52
19.60
13.99
19.40
+64.69%
16,536,772
08/10/2026
12.20
12.45
11.44
11.78
-2.16%
1,443,462
08/10/2026
$0.18 Earnings
08/07/2026
11.88
12.18
11.65
12.04
+3.08%
656,886
08/06/2026
11.39
12.19
11.06
11.68
+0.86%
548,506
08/05/2026
11.33
11.98
11.13
11.58
+1.14%
486,422
08/04/2026
10.88
11.63
10.76
11.45
+8.43%
1,192,462
08/03/2026
10.60
11.02
10.19
10.56
-0.75%
728,085
07/31/2026
11.41
12.23
10.57
10.64
-5.34%
1,407,222
07/30/2026
11.41
11.43
10.34
11.24
+7.56%
1,472,709
07/29/2026
11.30
12.81
10.40
10.45
-7.36%
1,583,460
07/28/2026
10.91
11.43
9.86
11.28
+2.83%
1,141,524
07/27/2026
11.36
11.52
10.59
10.97
-1.17%
1,063,918
07/24/2026
11.43
11.54
10.94
11.10
-3.90%
347,625
07/23/2026
11.37
12.35
11.34
11.55
-0.94%
611,039
07/22/2026
11.29
12.24
11.27
11.66
+1.75%
654,175
07/21/2026
11.35
11.67
11.32
11.46
+4.28%
688,856
07/20/2026
10.67
11.48
10.54
10.99
+3.39%
689,375
07/17/2026
9.16
10.80
9.06
10.63
+10.73%
1,023,507
07/16/2026
10.07
10.39
9.48
9.60
-6.80%
943,766
07/15/2026
10.27
11.60
10.11
10.30
+2.39%
1,480,944
07/14/2026
9.66
10.31
9.66
10.06
+4.03%
501,717
07/13/2026
9.88
10.16
9.56
9.67
-3.49%
437,120
07/10/2026
10.35
10.45
9.63
10.02
-3.65%
720,890
07/09/2026
10.78
10.97
10.31
10.40
-1.89%
772,585
07/08/2026
9.89
10.69
9.83
10.60
+4.64%
1,419,975
07/07/2026
10.46
10.59
9.79
10.13
-3.80%
605,623
07/06/2026
10.22
10.61
9.91
10.53
+3.64%
624,551
07/02/2026
11.07
11.21
9.82
10.16
-7.04%
685,617
07/01/2026
10.80
11.35
10.55
10.93
-0.64%
781,342
06/30/2026
11.83
11.83
10.69
11.00
-7.17%
1,031,568
06/29/2026
11.71
12.73
11.33
11.85
+1.72%
1,128,250
06/26/2026
11.24
11.70
9.80
11.65
-9.90%
2,305,664
06/25/2026
14.00
14.41
12.53
12.93
-3.65%
1,332,840
06/25/2026
-$0.21 Earnings
06/24/2026
13.77
14.08
12.96
13.42
-2.82%
629,566
06/23/2026
13.37
14.15
13.20
13.81
-1.64%
733,131
06/22/2026
15.75
16.50
13.99
14.04
-10.00%
1,192,145
06/18/2026
15.49
16.38
15.09
15.60
+4.35%
1,312,214
06/17/2026
14.76
15.78
13.76
14.95
+3.75%
1,095,095
06/16/2026
13.74
16.15
13.56
14.41
+3.15%
1,647,686
06/15/2026
15.28
16.00
13.70
13.97
+1.67%
2,448,199
06/12/2026
13.10
14.84
12.70
13.74
+5.21%
1,281,847
06/11/2026
12.61
13.09
11.75
13.06
+3.73%
1,062,052
06/10/2026
12.82
14.12
12.55
12.59
-3.52%
883,963
06/09/2026
12.67
14.98
11.99
13.05
+4.07%
2,079,422
06/08/2026
13.12
13.26
11.90
12.54
-1.26%
1,466,960
06/05/2026
15.23
15.74
12.15
12.70
-19.52%
2,645,649