AMSC
Amercn Supercond (AMSC)
NASDAQ
$29.53$0.00 (0.00%)
Price as of Sep 11, 2026 7:53 PM EDT
  • $1.4B
    Market Cap
  • -47.57%
    1-Year Change
  • Specialty Industrial Machinery
    Industry
  • 1 Month
    -8.09%
    Low Price$28.49
    High Price$32.13
  • 3 Months
    -25.26%
    Low Price$26.64
    High Price$45.33
  • 1 Year
    -47.57%
    Low Price$25.95
    High Price$66.68
Date
Open
High
Low
Close
Change (%)
Volume
09/11/2026
29.32
29.66
28.97
29.53
+3.04%
394,555
09/10/2026
28.46
29.16
28.08
28.66
-2.22%
555,746
09/09/2026
30.14
30.65
29.28
29.31
-3.71%
902,091
09/08/2026
30.00
31.00
29.90
30.44
+3.01%
854,881
09/04/2026
29.15
29.70
28.94
29.55
+1.86%
469,683
09/03/2026
28.40
29.23
28.27
29.01
+1.83%
446,115
09/02/2026
28.57
28.99
28.03
28.49
-0.25%
596,989
09/01/2026
28.10
28.69
27.51
28.56
-0.52%
809,993
08/31/2026
28.38
28.81
28.10
28.71
+0.77%
755,379
08/28/2026
29.83
29.93
28.30
28.49
-4.52%
666,368
08/27/2026
30.48
30.49
29.30
29.84
+1.19%
542,126
08/26/2026
29.76
30.19
28.91
29.49
-0.54%
588,076
08/25/2026
29.83
29.95
29.36
29.65
+2.52%
441,321
08/24/2026
29.08
29.59
28.10
28.92
-3.63%
1,119,731
08/21/2026
30.51
30.65
29.42
30.01
-0.13%
738,844
08/20/2026
30.98
31.16
29.72
30.05
-3.56%
517,066
08/19/2026
30.80
31.34
29.80
31.16
+0.45%
535,698
08/18/2026
30.80
31.41
30.35
31.02
-3.45%
619,396
08/17/2026
32.01
32.25
31.82
32.13
+0.66%
550,525
08/14/2026
31.99
32.75
31.59
31.92
+1.30%
535,003
08/13/2026
32.01
32.78
31.35
31.51
-2.39%
521,147
08/12/2026
33.30
33.89
32.23
32.28
+0.47%
533,166
08/11/2026
31.64
32.56
31.55
32.13
+3.68%
526,606
08/10/2026
32.81
32.99
30.96
30.99
-5.42%
571,780
08/07/2026
34.00
34.24
31.27
32.77
-0.41%
869,746
08/06/2026
29.64
33.93
28.50
32.90
-0.12%
1,139,075
08/05/2026
33.25
33.63
32.62
32.94
-1.52%
1,056,253
08/05/2026
$0.16 Earnings
08/04/2026
32.10
33.82
31.54
33.45
+7.94%
859,687
08/03/2026
29.20
31.09
28.87
30.99
+5.52%
665,831
07/31/2026
30.74
31.13
29.15
29.37
-0.27%
661,262
07/30/2026
28.59
29.73
28.07
29.45
+10.55%
768,229
07/29/2026
28.35
28.78
26.34
26.64
-7.34%
1,139,052
07/28/2026
29.76
29.76
27.91
28.75
-5.83%
1,083,166
07/27/2026
31.00
31.28
29.19
30.53
+0.03%
1,381,786
07/24/2026
32.96
32.96
30.20
30.52
-7.52%
1,120,888
07/23/2026
32.82
33.92
32.23
33.00
-1.20%
884,879
07/22/2026
34.55
34.99
33.20
33.40
-3.31%
765,882
07/21/2026
33.56
34.79
33.33
34.55
+6.26%
704,674
07/20/2026
33.52
34.12
32.31
32.51
-1.56%
420,860
07/17/2026
31.58
33.98
31.41
33.03
-0.20%
609,006
07/16/2026
34.22
34.24
32.34
33.09
-6.26%
577,113
07/15/2026
35.55
36.40
34.22
35.30
-0.45%
527,886
07/14/2026
35.50
35.80
35.03
35.46
+3.74%
413,956
07/13/2026
35.10
35.55
33.97
34.18
-4.95%
558,339
07/10/2026
37.17
37.72
35.76
35.96
-3.26%
563,105
07/09/2026
37.66
37.81
36.49
37.17
+3.25%
717,569
07/08/2026
34.62
36.17
34.18
36.00
+1.27%
831,129
07/07/2026
37.02
37.20
34.50
35.55
-6.77%
736,304
07/06/2026
37.61
39.11
37.34
38.13
+2.75%
846,258
07/02/2026
40.10
40.45
36.28
37.11
-7.04%
884,367
07/01/2026
40.64
41.49
39.60
39.92
-3.83%
710,309
06/30/2026
39.89
41.67
39.51
41.51
+4.22%
710,074
06/29/2026
40.24
41.40
37.81
39.83
+0.25%
841,553
06/26/2026
38.96
41.19
38.02
39.73
-1.37%
2,160,370
06/25/2026
41.93
42.84
40.07
40.28
-1.40%
962,199
06/24/2026
42.13
42.24
39.60
40.85
-1.87%
847,992
06/23/2026
42.04
44.11
41.60
41.63
-8.15%
767,177
06/22/2026
43.72
45.43
42.99
45.33
+4.44%
1,035,096
06/18/2026
41.49
43.49
40.44
43.40
+8.15%
1,124,987
06/17/2026
40.57
42.18
40.07
40.13
-0.82%
799,909
06/16/2026
41.07
42.36
40.35
40.46
-1.49%
1,115,873
06/15/2026
42.06
42.98
40.52
41.07
+2.62%
924,785
06/12/2026
39.51
40.62
38.71
40.02
+1.29%
812,097
06/11/2026
37.44
39.54
36.71
39.51
+7.42%
1,842,920
06/10/2026
40.29
40.96
36.72
36.78
-9.25%
2,420,049
06/09/2026
43.66
44.76
38.92
40.53
-6.48%
1,558,694
06/08/2026
42.86
44.39
40.76
43.34
+2.36%
1,583,255
06/05/2026
45.34
45.95
41.20
42.34
-8.75%
1,820,755
06/04/2026
45.64
47.24
45.19
46.40
-0.58%
1,263,829
06/03/2026
51.00
51.30
46.24
46.67
-8.79%
1,478,322
06/02/2026
51.46
52.55
48.87
51.17
+0.04%
1,281,733
06/01/2026
49.47
51.99
48.77
51.15
+0.41%
1,133,995
05/29/2026
51.19
53.37
48.52
50.94
-0.76%
1,336,627
05/28/2026
50.00
51.37
45.46
51.33
-2.56%
3,439,465
05/27/2026
53.60
55.09
51.55
52.68
-0.83%
1,942,074
05/27/2026
$0.30 Earnings
05/26/2026
54.00
54.40
51.28
53.12
+2.47%
1,179,384
05/22/2026
50.28
52.48
48.86
51.84
+4.90%
746,642
05/21/2026
48.64
50.66
48.39
49.42
+0.41%
658,338
05/20/2026
48.46
50.10
47.22
49.22
+4.52%
933,307
05/19/2026
48.10
48.62
45.72
47.09
-6.10%
1,168,371
05/18/2026
54.86
55.11
48.52
50.15
-8.92%
1,264,214
05/15/2026
51.53
55.24
50.32
55.06
+0.66%
1,059,765
05/14/2026
55.73
55.78
52.58
54.70
-1.85%
1,210,454
05/13/2026
55.81
56.25
53.00
55.73
+2.24%
977,276
05/12/2026
57.04
57.05
51.32
54.51
-7.17%
1,314,800
05/11/2026
55.10
60.18
54.81
58.72
+6.40%
1,749,703
05/08/2026
54.37
55.68
53.47
55.19
+3.70%
859,757
05/07/2026
56.09
56.90
52.66
53.22
-6.75%
1,201,571
05/06/2026
55.59
57.18
53.71
57.07
+3.74%
1,080,324
05/05/2026
50.99
55.70
50.99
55.01
+9.36%
1,400,576
05/04/2026
52.51
53.00
48.53
50.30
-4.21%
1,068,761
05/01/2026
53.22
54.20
51.42
52.51
-1.92%
1,310,429
04/30/2026
49.23
53.65
48.00
53.54
+12.24%
1,863,819
04/29/2026
47.79
48.60
45.69
47.70
+0.42%
1,265,614
04/28/2026
47.91
49.49
45.57
47.50
-4.31%
1,769,658
04/27/2026
52.39
52.39
46.01
49.64
+0.32%
2,500,218
04/24/2026
48.14
50.78
45.50
49.48
+7.22%
2,319,312
04/23/2026
51.25
51.47
44.47
46.15
-4.15%
2,644,641