American Superconductor Corporation (AMSC)
NASDAQ: AMSC · Real-Time Price · USD
48.53
-0.10 (-0.21%)
At close: Sep 4, 2025, 4:00 PM
48.81
+0.28 (0.58%)
After-hours: Sep 4, 2025, 7:54 PM EDT
American Superconductor Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| 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 |
| Jul 24, 2025 | 43.13 | 43.50 | 42.60 | 43.01 | 43.01 | 0.12% | 612,407 |
| Jul 23, 2025 | 41.43 | 43.15 | 41.11 | 42.96 | 42.96 | 4.20% | 885,274 |
| Jul 22, 2025 | 42.01 | 42.28 | 38.80 | 41.23 | 41.23 | -2.53% | 1,127,049 |
| Jul 21, 2025 | 43.09 | 43.27 | 42.05 | 42.30 | 42.30 | -0.98% | 856,516 |
| Jul 18, 2025 | 41.38 | 43.41 | 41.15 | 42.72 | 42.72 | 3.24% | 1,279,561 |
| Jul 17, 2025 | 41.11 | 42.08 | 40.78 | 41.38 | 41.38 | 0.75% | 809,411 |
| Jul 16, 2025 | 41.03 | 41.64 | 39.57 | 41.07 | 41.07 | 0.27% | 872,963 |
| Jul 15, 2025 | 41.40 | 41.40 | 40.29 | 40.96 | 40.96 | 0.61% | 987,010 |
| Jul 14, 2025 | 39.00 | 41.38 | 38.60 | 40.71 | 40.71 | 3.93% | 1,049,317 |
| Jul 11, 2025 | 39.35 | 40.40 | 38.60 | 39.17 | 39.17 | -1.37% | 716,305 |
| Jul 10, 2025 | 40.02 | 40.33 | 38.45 | 39.72 | 39.72 | -0.49% | 886,951 |
| Jul 9, 2025 | 39.99 | 40.34 | 39.00 | 39.91 | 39.91 | 2.52% | 857,614 |
| Jul 8, 2025 | 40.52 | 40.53 | 38.27 | 38.93 | 38.93 | -3.30% | 999,805 |
| Jul 7, 2025 | 39.76 | 40.30 | 38.42 | 40.26 | 40.26 | 0.90% | 942,440 |
| Jul 3, 2025 | 39.51 | 41.10 | 39.35 | 39.90 | 39.90 | 1.81% | 885,580 |
| Jul 2, 2025 | 36.04 | 39.70 | 35.59 | 39.19 | 39.19 | 8.92% | 1,804,861 |
| Jul 1, 2025 | 36.04 | 36.75 | 34.87 | 35.98 | 35.98 | -1.94% | 1,006,890 |
| Jun 30, 2025 | 36.46 | 37.53 | 36.12 | 36.69 | 36.69 | 0.69% | 1,340,460 |
| Jun 27, 2025 | 36.95 | 37.89 | 35.76 | 36.44 | 36.44 | -0.65% | 1,778,541 |
| Jun 26, 2025 | 34.20 | 36.78 | 33.69 | 36.68 | 36.68 | 7.74% | 1,442,154 |
| Jun 25, 2025 | 33.82 | 34.15 | 33.06 | 34.05 | 34.05 | 1.54% | 916,878 |