American Superconductor Corporation (AMSC)
NASDAQ: AMSC · Real-Time Price · USD
53.06
+0.90 (1.73%)
At close: Aug 15, 2025, 4:00 PM
52.61
-0.45 (-0.85%)
After-hours: Aug 15, 2025, 7:57 PM EDT
American Superconductor Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 15, 2025 | 52.15 | 53.09 | 50.03 | 53.06 | 53.06 | 1.73% | 904,988 |
| 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 |
| Jun 24, 2025 | 32.85 | 33.77 | 32.24 | 33.53 | 33.53 | 3.42% | 1,110,238 |
| Jun 23, 2025 | 30.00 | 32.46 | 29.14 | 32.42 | 32.42 | 6.64% | 1,465,423 |
| Jun 20, 2025 | 31.10 | 31.10 | 30.03 | 30.40 | 30.40 | -1.39% | 1,136,342 |
| Jun 18, 2025 | 29.85 | 31.12 | 29.15 | 30.83 | 30.83 | 3.18% | 1,114,183 |
| Jun 17, 2025 | 29.28 | 30.50 | 29.07 | 29.88 | 29.88 | 0.88% | 1,055,270 |
| Jun 16, 2025 | 30.00 | 30.49 | 29.32 | 29.62 | 29.62 | 0.92% | 995,977 |
| Jun 13, 2025 | 28.18 | 30.65 | 28.12 | 29.35 | 29.35 | 0.41% | 1,834,192 |
| Jun 12, 2025 | 29.52 | 30.23 | 28.55 | 29.23 | 29.23 | -1.48% | 1,796,817 |
| Jun 11, 2025 | 28.60 | 30.38 | 28.01 | 29.67 | 29.67 | -13.88% | 6,552,729 |
| Jun 10, 2025 | 33.40 | 34.77 | 33.07 | 34.45 | 34.45 | 4.11% | 1,371,292 |
| Jun 9, 2025 | 31.87 | 33.35 | 31.77 | 33.09 | 33.09 | 5.11% | 996,454 |
| Jun 6, 2025 | 32.05 | 32.46 | 31.14 | 31.48 | 31.48 | -1.19% | 1,246,348 |
| Jun 5, 2025 | 30.87 | 32.48 | 30.51 | 31.86 | 31.86 | 3.74% | 1,405,595 |