NASDAQ : AMSC
American Superconductor Corporation — Price history
Industrials · Specialty Industrial Machinery · United States
Last price 27.05 USD (Oct 30, 2026, 4:00 PM EDT) · Market cap 1.31B
Overview · Financial statements · Key statistics · Dividends · Company profile · Price history · Reports
Price history
American Superconductor Corporation (AMSC) closed at 26.35 USD on 2026-11-02. Daily open, high, low, close and volume for recent sessions:
| Date | Open | High | Low | Close | Volume | Change |
|---|---|---|---|---|---|---|
| 2026-11-02 | 27.83 | 28.18 | 26.19 | 26.35 | 672,115 | -2.59% |
| 2026-10-30 | 26.28 | 27.51 | 26.155 | 27.05 | 856,532 | -3.57% |
| 2026-10-29 | 27.76 | 29.21 | 27.72 | 28.05 | 621,938 | -0.50% |
| 2026-10-28 | 28.18 | 28.32 | 27.3 | 28.19 | 1,086,514 | +2.03% |
| 2026-10-27 | 25.97 | 28.09 | 25.82 | 27.63 | 791,120 | +8.78% |
| 2026-10-26 | 25.2 | 25.739 | 24.58 | 25.4 | 496,028 | +1.11% |
| 2026-10-23 | 24.54 | 25.43 | 24.11 | 25.12 | 515,750 | +0.44% |
| 2026-10-22 | 25.58 | 25.87 | 24.445 | 25.01 | 681,031 | -6.12% |
| 2026-10-21 | 25.95 | 26.83 | 25.95 | 26.64 | 569,149 | +3.66% |
| 2026-10-20 | 25.305 | 26.44 | 25.01 | 25.7 | 731,534 | +0.08% |
| 2026-10-19 | 26.46 | 26.585 | 25.53 | 25.68 | 808,216 | +0.04% |
| 2026-10-16 | 26.42 | 26.845 | 25.5 | 25.67 | 679,652 | -4.54% |
| 2026-10-15 | 24.71 | 27.05 | 24.08 | 26.89 | 1,125,027 | +4.83% |
| 2026-10-14 | 28 | 28 | 25.38 | 25.65 | 1,273,878 | -10.66% |
| 2026-10-13 | 29.18 | 29.72 | 28.32 | 28.71 | 603,963 | -2.99% |
| 2026-10-12 | 30.43 | 30.51 | 29.47 | 29.595 | 541,768 | -3.03% |
| 2026-10-09 | 31.3 | 31.54 | 30.3 | 30.52 | 743,652 | -1.39% |
| 2026-10-08 | 31.14 | 31.96 | 30.16 | 30.95 | 1,063,896 | -2.49% |
| 2026-10-07 | 30.57 | 31.97 | 29.99 | 31.74 | 1,367,023 | -0.35% |
| 2026-10-06 | 30.49 | 32.1 | 30.25 | 31.85 | 841,395 | +6.24% |
| 2026-10-05 | 30.06 | 30.3 | 29.241 | 29.98 | 486,449 | -0.10% |
| 2026-10-02 | 30.37 | 30.68 | 29.69 | 30.01 | 533,649 | +1.73% |
| 2026-10-01 | 29.25 | 30.08 | 28.2 | 29.5 | 664,706 | +1.34% |
| 2026-09-30 | 29.515 | 29.83 | 28.95 | 29.11 | 641,740 | -0.21% |
| 2026-09-29 | 30 | 30.26 | 29.02 | 29.17 | 608,005 | -0.41% |
| 2026-09-28 | 29.63 | 29.98 | 28.83 | 29.29 | 524,719 | -2.40% |
| 2026-09-25 | 30.89 | 31.055 | 29.96 | 30.01 | 589,536 | -1.35% |
| 2026-09-24 | 30.22 | 30.74 | 29.69 | 30.42 | 674,730 | -2.03% |
| 2026-09-23 | 32.01 | 32.133 | 30.78 | 31.05 | 876,897 | -0.61% |
| 2026-09-22 | 30.29 | 31.548 | 30.04 | 31.24 | 808,156 | +3.31% |
| 2026-09-21 | 31 | 31 | 30.121 | 30.24 | 529,113 | +0.17% |
| 2026-09-18 | 29.23 | 30.34 | 28.854 | 30.19 | 991,297 | +3.57% |
| 2026-09-17 | 29.14 | 29.5 | 28.77 | 29.15 | 649,869 | +4.82% |
| 2026-09-16 | 28.26 | 28.265 | 27.26 | 27.81 | 731,090 | +0.40% |
| 2026-09-15 | 27.69 | 27.988 | 27.28 | 27.7 | 722,208 | +1.54% |
| 2026-09-14 | 27.62 | 28.175 | 27.2 | 27.28 | 889,047 | -7.62% |
| 2026-09-11 | 29.32 | 29.66 | 28.974 | 29.53 | 391,818 | +3.04% |
| 2026-09-10 | 28.46 | 29.16 | 28.08 | 28.66 | 554,554 | -2.22% |
| 2026-09-09 | 30.14 | 30.65 | 29.28 | 29.31 | 900,751 | -3.71% |
| 2026-09-08 | 30 | 31 | 29.9 | 30.44 | 849,402 | +3.01% |
| 2026-09-04 | 29.15 | 29.7 | 28.94 | 29.55 | 468,716 | +1.86% |
| 2026-09-03 | 28.4 | 29.23 | 28.27 | 29.01 | 446,115 | +1.83% |
| 2026-09-02 | 28.57 | 28.99 | 28.025 | 28.49 | 596,989 | -0.25% |
| 2026-09-01 | 28.1 | 28.685 | 27.51 | 28.56 | 809,993 | -0.52% |
| 2026-08-31 | 28.375 | 28.81 | 28.1 | 28.71 | 755,346 | +0.77% |
| 2026-08-28 | 29.83 | 29.93 | 28.3 | 28.49 | 666,368 | -4.52% |
| 2026-08-27 | 30.48 | 30.49 | 29.3 | 29.84 | 542,126 | +1.19% |
| 2026-08-26 | 29.76 | 30.185 | 28.91 | 29.49 | 588,076 | -0.54% |
| 2026-08-25 | 29.83 | 29.95 | 29.36 | 29.65 | 441,321 | +2.52% |
| 2026-08-24 | 29.08 | 29.591 | 28.095 | 28.92 | 1,119,731 | -3.63% |
| 2026-08-21 | 30.51 | 30.645 | 29.42 | 30.01 | 738,844 | -0.13% |
| 2026-08-20 | 30.98 | 31.16 | 29.72 | 30.05 | 517,066 | -3.56% |
| 2026-08-19 | 30.8 | 31.34 | 29.8 | 31.16 | 535,698 | +0.45% |
| 2026-08-18 | 30.802 | 31.41 | 30.35 | 31.02 | 619,396 | -3.45% |
| 2026-08-17 | 32.01 | 32.25 | 31.82 | 32.13 | 550,525 | +0.66% |
| 2026-08-14 | 31.99 | 32.748 | 31.59 | 31.92 | 535,003 | +1.30% |
| 2026-08-13 | 32.01 | 32.78 | 31.345 | 31.51 | 521,147 | -2.39% |
| 2026-08-12 | 33.3 | 33.89 | 32.23 | 32.28 | 533,166 | +0.47% |
| 2026-08-11 | 31.64 | 32.56 | 31.55 | 32.13 | 526,606 | +3.68% |
| 2026-08-10 | 32.805 | 32.99 | 30.96 | 30.99 | 571,780 | -5.42% |
| 2026-08-07 | 34 | 34.24 | 31.27 | 32.765 | 870,106 | -0.41% |
| 2026-08-06 | 29.64 | 33.93 | 28.5 | 32.9 | 1,139,075 | -0.12% |
| 2026-08-05 | 33.25 | 33.625 | 32.615 | 32.94 | 1,056,253 | -1.52% |
| 2026-08-04 | 32.1 | 33.82 | 31.54 | 33.45 | 859,687 | +7.94% |
| 2026-08-03 | 29.2 | 31.09 | 28.868 | 30.99 | 665,831 | +5.52% |
| 2026-07-31 | 30.74 | 31.13 | 29.15 | 29.37 | 661,262 | -0.27% |
| 2026-07-30 | 28.59 | 29.73 | 28.066 | 29.45 | 768,229 | +10.55% |
| 2026-07-29 | 28.35 | 28.78 | 26.34 | 26.64 | 1,139,052 | -7.34% |
| 2026-07-28 | 29.76 | 29.76 | 27.91 | 28.75 | 1,083,166 | -5.83% |
| 2026-07-27 | 31 | 31.28 | 29.19 | 30.53 | 1,381,786 | +0.03% |
| 2026-07-24 | 32.96 | 32.96 | 30.2 | 30.52 | 1,120,888 | -7.52% |
| 2026-07-23 | 32.815 | 33.92 | 32.225 | 33 | 884,879 | -1.20% |
| 2026-07-22 | 34.55 | 34.99 | 33.2 | 33.4 | 765,882 | -3.31% |
| 2026-07-21 | 33.56 | 34.785 | 33.33 | 34.545 | 704,674 | +6.26% |
| 2026-07-20 | 33.52 | 34.12 | 32.31 | 32.51 | 420,860 | -1.56% |
| 2026-07-17 | 31.58 | 33.98 | 31.41 | 33.025 | 609,092 | -0.20% |
| 2026-07-16 | 34.22 | 34.24 | 32.34 | 33.09 | 577,113 | -6.26% |
| 2026-07-15 | 35.55 | 36.4 | 34.22 | 35.3 | 527,886 | -0.45% |
| 2026-07-14 | 35.5 | 35.8 | 35.03 | 35.46 | 419,457 | +3.74% |
| 2026-07-13 | 35.1 | 35.55 | 33.97 | 34.18 | 558,339 | -4.95% |
| 2026-07-10 | 37.17 | 37.72 | 35.76 | 35.96 | 563,105 | -3.26% |
| 2026-07-09 | 37.66 | 37.805 | 36.49 | 37.17 | 717,569 | +3.25% |
| 2026-07-08 | 34.62 | 36.17 | 34.18 | 36 | 831,129 | +1.27% |
| 2026-07-07 | 37.02 | 37.204 | 34.5 | 35.55 | 736,304 | -6.77% |
| 2026-07-06 | 37.61 | 39.11 | 37.34 | 38.13 | 846,258 | +2.75% |
| 2026-07-02 | 40.1 | 40.45 | 36.28 | 37.11 | 884,367 | -7.04% |
| 2026-07-01 | 40.64 | 41.49 | 39.6 | 39.92 | 710,309 | -3.83% |
| 2026-06-30 | 39.89 | 41.67 | 39.51 | 41.51 | 710,074 | +4.22% |
| 2026-06-29 | 40.24 | 41.4 | 37.81 | 39.83 | 841,553 | +0.25% |
| 2026-06-26 | 38.96 | 41.185 | 38.02 | 39.73 | 2,160,370 | -1.37% |
| 2026-06-25 | 41.93 | 42.84 | 40.07 | 40.28 | 962,199 | -1.40% |
| 2026-06-24 | 42.13 | 42.24 | 39.6 | 40.85 | 847,992 | -1.87% |
| 2026-06-23 | 42.04 | 44.108 | 41.6 | 41.63 | 767,177 | -8.15% |
| 2026-06-22 | 43.72 | 45.43 | 42.99 | 45.325 | 1,035,096 | +4.44% |
| 2026-06-18 | 41.49 | 43.485 | 40.442 | 43.4 | 1,124,987 | +8.15% |
| 2026-06-17 | 40.57 | 42.18 | 40.07 | 40.13 | 799,909 | -0.82% |
| 2026-06-16 | 41.07 | 42.361 | 40.35 | 40.46 | 1,115,873 | -1.49% |
| 2026-06-15 | 42.06 | 42.98 | 40.52 | 41.07 | 924,785 | +2.62% |
| 2026-06-12 | 39.51 | 40.62 | 38.71 | 40.02 | 812,097 | +1.29% |
| 2026-06-11 | 37.44 | 39.54 | 36.71 | 39.51 | 1,842,920 | +7.42% |
| 2026-06-10 | 40.285 | 40.96 | 36.72 | 36.78 | 2,420,049 | -9.25% |
| 2026-06-09 | 43.66 | 44.76 | 38.92 | 40.53 | 1,558,694 | -6.48% |
| 2026-06-08 | 42.86 | 44.386 | 40.76 | 43.34 | 1,583,255 | +2.36% |
| 2026-06-05 | 45.34 | 45.945 | 41.2 | 42.34 | 1,820,755 | -8.75% |
| 2026-06-04 | 45.64 | 47.24 | 45.19 | 46.4 | 1,263,829 | -0.58% |
| 2026-06-03 | 51 | 51.3 | 46.24 | 46.67 | 1,478,527 | -8.79% |
| 2026-06-02 | 51.46 | 52.55 | 48.87 | 51.17 | 1,281,733 | +0.04% |
| 2026-06-01 | 49.47 | 51.99 | 48.77 | 51.15 | 1,133,995 | +0.41% |
| 2026-05-29 | 51.19 | 53.37 | 48.52 | 50.94 | 1,336,647 | -0.76% |
| 2026-05-28 | 50 | 51.37 | 45.46 | 51.33 | 3,439,465 | -2.56% |
| 2026-05-27 | 53.6 | 55.09 | 51.55 | 52.68 | 1,942,181 | -0.83% |
| 2026-05-26 | 54 | 54.4 | 51.28 | 53.12 | 1,179,384 | +2.47% |
| 2026-05-22 | 50.28 | 52.48 | 48.859 | 51.84 | 746,642 | +4.90% |
| 2026-05-21 | 48.64 | 50.66 | 48.39 | 49.42 | 659,823 | +0.41% |
| 2026-05-20 | 48.46 | 50.1 | 47.22 | 49.22 | 933,307 | +4.52% |
| 2026-05-19 | 48.1 | 48.624 | 45.72 | 47.09 | 1,168,371 | -6.10% |
| 2026-05-18 | 54.86 | 55.11 | 48.52 | 50.15 | 1,264,214 | -8.92% |
| 2026-05-15 | 51.53 | 55.24 | 50.32 | 55.06 | 1,059,765 | +0.66% |
| 2026-05-14 | 55.73 | 55.78 | 52.58 | 54.7 | 1,210,718 | -1.85% |
| 2026-05-13 | 55.81 | 56.25 | 53.004 | 55.73 | 977,276 | +2.24% |