American Superconductor Corporation (AMSC)
NASDAQ: AMSC · Real-Time Price · USD
59.23
+0.31 (0.53%)
At close: Oct 31, 2025, 4:00 PM EDT
59.45
+0.22 (0.37%)
After-hours: Oct 31, 2025, 7:52 PM EDT
American Superconductor Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 31, 2025 | 60.79 | 61.20 | 58.10 | 59.23 | 59.23 | 0.53% | 702,134 |
| Oct 30, 2025 | 61.78 | 62.63 | 58.11 | 58.92 | 58.92 | -6.49% | 957,218 |
| Oct 29, 2025 | 57.97 | 64.72 | 57.97 | 63.01 | 63.01 | 8.90% | 1,369,582 |
| Oct 28, 2025 | 57.48 | 59.36 | 56.69 | 57.86 | 57.86 | 0.02% | 684,977 |
| Oct 27, 2025 | 61.00 | 61.59 | 56.96 | 57.85 | 57.85 | -2.90% | 943,159 |
| Oct 24, 2025 | 58.40 | 61.94 | 57.47 | 59.58 | 59.58 | 5.40% | 1,093,903 |
| Oct 23, 2025 | 54.85 | 57.20 | 54.01 | 56.53 | 56.53 | 3.19% | 870,449 |
| Oct 22, 2025 | 58.83 | 59.49 | 52.75 | 54.78 | 54.78 | -7.56% | 1,737,835 |
| Oct 21, 2025 | 61.07 | 61.07 | 58.01 | 59.26 | 59.26 | -2.90% | 652,054 |
| Oct 20, 2025 | 61.92 | 63.70 | 59.31 | 61.03 | 61.03 | 1.68% | 863,696 |
| Oct 17, 2025 | 60.86 | 62.50 | 57.80 | 60.02 | 60.02 | -4.81% | 1,009,954 |
| Oct 16, 2025 | 68.56 | 68.56 | 62.19 | 63.05 | 63.05 | -5.44% | 822,809 |
| Oct 15, 2025 | 68.76 | 70.49 | 63.84 | 66.68 | 66.68 | 1.74% | 1,519,118 |
| Oct 14, 2025 | 59.21 | 66.55 | 57.01 | 65.54 | 65.54 | 6.45% | 1,910,255 |
| Oct 13, 2025 | 58.72 | 62.22 | 58.28 | 61.57 | 61.57 | 9.48% | 1,115,749 |
| Oct 10, 2025 | 59.74 | 63.01 | 56.07 | 56.24 | 56.24 | -5.95% | 1,255,885 |
| Oct 9, 2025 | 61.00 | 61.61 | 59.19 | 59.80 | 59.80 | -1.49% | 831,246 |
| Oct 8, 2025 | 57.32 | 61.04 | 57.29 | 60.70 | 60.70 | 7.34% | 1,112,182 |
| Oct 7, 2025 | 61.48 | 62.79 | 55.51 | 56.55 | 56.55 | -7.26% | 1,817,990 |
| Oct 6, 2025 | 62.40 | 63.64 | 58.71 | 60.98 | 60.98 | 2.83% | 1,069,083 |
| Oct 3, 2025 | 60.00 | 62.16 | 58.38 | 59.30 | 59.30 | 0.08% | 1,557,874 |
| Oct 2, 2025 | 60.06 | 60.99 | 58.26 | 59.25 | 59.25 | 0.14% | 809,249 |
| Oct 1, 2025 | 58.74 | 60.08 | 57.62 | 59.17 | 59.17 | -0.37% | 661,612 |
| Sep 30, 2025 | 60.93 | 61.50 | 57.80 | 59.39 | 59.39 | -2.38% | 1,059,682 |
| Sep 29, 2025 | 59.50 | 62.00 | 59.50 | 60.84 | 60.84 | 3.88% | 1,259,251 |
| Sep 26, 2025 | 58.86 | 59.75 | 57.49 | 58.57 | 58.57 | 1.06% | 710,479 |
| Sep 25, 2025 | 56.69 | 58.98 | 54.13 | 57.96 | 57.96 | -2.78% | 1,046,245 |
| Sep 24, 2025 | 62.10 | 62.41 | 58.13 | 59.61 | 59.61 | -2.82% | 1,230,150 |
| Sep 23, 2025 | 64.15 | 64.53 | 60.06 | 61.34 | 61.34 | -5.09% | 1,226,572 |
| Sep 22, 2025 | 61.78 | 65.12 | 60.31 | 64.63 | 64.63 | 5.00% | 1,487,834 |
| Sep 19, 2025 | 65.51 | 65.70 | 60.65 | 61.55 | 61.55 | -4.56% | 2,874,151 |
| Sep 18, 2025 | 63.06 | 65.58 | 60.05 | 64.49 | 64.49 | 6.61% | 2,386,813 |
| Sep 17, 2025 | 56.34 | 61.11 | 55.39 | 60.49 | 60.49 | 7.04% | 2,111,366 |
| Sep 16, 2025 | 56.50 | 56.60 | 54.89 | 56.51 | 56.51 | -0.14% | 645,242 |
| Sep 15, 2025 | 57.00 | 57.25 | 55.30 | 56.59 | 56.59 | 0.48% | 796,099 |
| Sep 12, 2025 | 54.95 | 57.30 | 54.10 | 56.32 | 56.32 | 2.92% | 1,329,419 |
| Sep 11, 2025 | 52.06 | 54.96 | 51.90 | 54.72 | 54.72 | 6.36% | 1,134,452 |
| Sep 10, 2025 | 51.61 | 53.49 | 51.20 | 51.45 | 51.45 | 3.21% | 1,083,693 |
| Sep 9, 2025 | 50.00 | 50.63 | 47.52 | 49.85 | 49.85 | -0.46% | 685,177 |
| Sep 8, 2025 | 49.25 | 51.47 | 48.85 | 50.08 | 50.08 | 2.45% | 1,055,089 |
| Sep 5, 2025 | 49.63 | 50.10 | 47.20 | 48.88 | 48.88 | 0.72% | 633,533 |
| Sep 4, 2025 | 48.12 | 49.51 | 47.36 | 48.53 | 48.53 | -0.21% | 1,077,637 |
| Sep 3, 2025 | 49.67 | 50.27 | 48.49 | 48.63 | 48.63 | -0.27% | 707,229 |
| Sep 2, 2025 | 48.11 | 49.42 | 46.46 | 48.76 | 48.76 | -2.28% | 807,124 |
| Aug 29, 2025 | 53.66 | 53.66 | 49.75 | 49.90 | 49.90 | -7.32% | 1,108,914 |
| Aug 28, 2025 | 52.52 | 54.62 | 52.46 | 53.84 | 53.84 | 3.33% | 743,860 |
| Aug 27, 2025 | 52.51 | 53.14 | 51.10 | 52.11 | 52.11 | -0.30% | 842,436 |
| Aug 26, 2025 | 49.92 | 52.50 | 49.44 | 52.26 | 52.26 | 5.41% | 964,554 |
| Aug 25, 2025 | 50.60 | 50.81 | 49.55 | 49.58 | 49.58 | -2.17% | 503,786 |
| Aug 22, 2025 | 48.60 | 51.20 | 47.81 | 50.68 | 50.68 | 4.30% | 760,328 |