American Superconductor Corporation (AMSC)
NASDAQ: AMSC · Real-Time Price · USD
59.30
+0.05 (0.08%)
At close: Oct 3, 2025, 4:00 PM EDT
59.77
+0.47 (0.79%)
After-hours: Oct 3, 2025, 7:49 PM EDT
American Superconductor Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| 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 |
| Aug 21, 2025 | 47.92 | 49.41 | 47.62 | 48.59 | 48.59 | 1.00% | 935,406 |
| Aug 20, 2025 | 48.28 | 48.95 | 46.46 | 48.11 | 48.11 | -1.45% | 1,222,682 |
| Aug 19, 2025 | 52.79 | 53.41 | 48.56 | 48.82 | 48.82 | -8.68% | 1,418,601 |
| Aug 18, 2025 | 53.73 | 54.57 | 52.16 | 53.46 | 53.46 | 0.75% | 737,379 |
| Aug 15, 2025 | 52.15 | 53.09 | 50.03 | 53.06 | 53.06 | 1.73% | 907,688 |
| Aug 14, 2025 | 53.34 | 55.45 | 51.75 | 52.16 | 52.16 | -3.57% | 954,555 |
| Aug 13, 2025 | 56.76 | 57.54 | 53.00 | 54.09 | 54.09 | -3.21% | 1,271,418 |
| Aug 12, 2025 | 52.60 | 56.23 | 52.60 | 55.89 | 55.89 | 7.16% | 1,114,677 |
| Aug 11, 2025 | 51.28 | 53.67 | 50.70 | 52.15 | 52.15 | 2.27% | 1,028,284 |
| Aug 8, 2025 | 54.18 | 54.62 | 50.45 | 50.99 | 50.99 | -6.10% | 1,245,365 |
| Aug 7, 2025 | 55.00 | 55.99 | 52.10 | 54.30 | 54.30 | -1.04% | 1,063,580 |
| Aug 6, 2025 | 55.53 | 55.78 | 54.23 | 54.87 | 54.87 | -1.35% | 794,899 |
| Aug 5, 2025 | 56.15 | 58.42 | 54.62 | 55.62 | 55.62 | 0.18% | 1,268,765 |
| Aug 4, 2025 | 54.79 | 56.61 | 53.71 | 55.52 | 55.52 | 3.29% | 1,662,247 |
| Aug 1, 2025 | 53.21 | 55.36 | 50.67 | 53.75 | 53.75 | -5.45% | 2,403,730 |
| Jul 31, 2025 | 47.80 | 57.86 | 47.70 | 56.85 | 56.85 | 29.38% | 5,321,388 |
| Jul 30, 2025 | 43.55 | 44.85 | 43.24 | 43.94 | 43.94 | 1.06% | 1,223,483 |
| Jul 29, 2025 | 44.23 | 44.61 | 43.33 | 43.48 | 43.48 | -0.64% | 796,957 |
| Jul 28, 2025 | 44.17 | 44.17 | 42.55 | 43.76 | 43.76 | 1.30% | 777,801 |
| Jul 25, 2025 | 43.50 | 44.74 | 42.73 | 43.20 | 43.20 | 0.44% | 1,002,958 |