American Superconductor Corporation (AMSC)
NASDAQ: AMSC · Real-Time Price · USD
30.50
-0.25 (-0.81%)
At close: Nov 26, 2025, 4:00 PM EST
30.69
+0.19 (0.62%)
After-hours: Nov 26, 2025, 7:58 PM EST

American Superconductor Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Nov 26, 202531.3231.5030.2730.5030.50-0.81%1,127,830
Nov 25, 202531.0731.2429.5330.7530.75-1.66%998,615
Nov 24, 202530.8231.8330.5431.2731.272.93%875,673
Nov 21, 202529.7330.9828.7030.3830.382.01%1,198,268
Nov 20, 202532.8833.4229.7029.7829.78-4.49%1,124,203
Nov 19, 202532.1732.6130.8131.1831.180.03%662,948
Nov 18, 202531.4032.5730.6931.1731.17-2.99%1,055,951
Nov 17, 202533.7434.0131.6932.1332.13-5.25%972,307
Nov 14, 202532.0734.8531.8433.9133.910.83%875,342
Nov 13, 202534.7935.1832.8233.6333.63-4.41%1,379,007
Nov 12, 202535.9636.4034.4335.1835.18-0.40%859,348
Nov 11, 202536.3436.3434.1635.3235.32-4.31%1,494,791
Nov 10, 202540.2840.9036.7036.9136.91-5.02%2,093,153
Nov 7, 202535.8038.8733.8138.8638.866.32%3,040,089
Nov 6, 202542.8144.8336.2036.5536.55-38.49%5,403,888
Nov 5, 202557.2060.6556.0859.4259.425.56%1,095,201
Nov 4, 202557.3058.8055.2656.2956.29-7.16%676,680
Nov 3, 202559.7561.3058.5160.6360.632.36%631,722
Oct 31, 202560.7961.2058.1059.2359.230.53%702,134
Oct 30, 202561.7862.6358.1158.9258.92-6.49%957,218
Oct 29, 202557.9764.7257.9763.0163.018.90%1,369,582
Oct 28, 202557.4859.3656.6957.8657.860.02%684,977
Oct 27, 202561.0061.5956.9657.8557.85-2.90%943,159
Oct 24, 202558.4061.9457.4759.5859.585.40%1,093,903
Oct 23, 202554.8557.2054.0156.5356.533.19%870,449
Oct 22, 202558.8359.4952.7554.7854.78-7.56%1,737,835
Oct 21, 202561.0761.0758.0159.2659.26-2.90%652,054
Oct 20, 202561.9263.7059.3161.0361.031.68%863,696
Oct 17, 202560.8662.5057.8060.0260.02-4.81%1,009,954
Oct 16, 202568.5668.5662.1963.0563.05-5.44%822,809
Oct 15, 202568.7670.4963.8466.6866.681.74%1,519,118
Oct 14, 202559.2166.5557.0165.5465.546.45%1,910,255
Oct 13, 202558.7262.2258.2861.5761.579.48%1,115,749
Oct 10, 202559.7463.0156.0756.2456.24-5.95%1,255,885
Oct 9, 202561.0061.6159.1959.8059.80-1.49%831,246
Oct 8, 202557.3261.0457.2960.7060.707.34%1,112,182
Oct 7, 202561.4862.7955.5156.5556.55-7.26%1,817,990
Oct 6, 202562.4063.6458.7160.9860.982.83%1,069,083
Oct 3, 202560.0062.1658.3859.3059.300.08%1,557,874
Oct 2, 202560.0660.9958.2659.2559.250.14%809,249
Oct 1, 202558.7460.0857.6259.1759.17-0.37%661,612
Sep 30, 202560.9361.5057.8059.3959.39-2.38%1,059,682
Sep 29, 202559.5062.0059.5060.8460.843.88%1,259,251
Sep 26, 202558.8659.7557.4958.5758.571.06%710,479
Sep 25, 202556.6958.9854.1357.9657.96-2.78%1,046,245
Sep 24, 202562.1062.4158.1359.6159.61-2.82%1,230,150
Sep 23, 202564.1564.5360.0661.3461.34-5.09%1,226,572
Sep 22, 202561.7865.1260.3164.6364.635.00%1,487,834
Sep 19, 202565.5165.7060.6561.5561.55-4.56%2,874,151
Sep 18, 202563.0665.5860.0564.4964.496.61%2,386,813