American Superconductor Corporation (AMSC)
NASDAQ: AMSC · Real-Time Price · USD
29.04
+1.34 (4.84%)
At close: Mar 9, 2026, 4:00 PM EDT
29.00
-0.04 (-0.14%)
After-hours: Mar 9, 2026, 5:51 PM EDT
American Superconductor Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 9, 2026 | 27.09 | 29.11 | 26.46 | 29.04 | 29.04 | 4.84% | 1,283,961 |
| Mar 6, 2026 | 29.91 | 30.47 | 27.69 | 27.70 | 27.70 | -10.18% | 1,520,731 |
| Mar 5, 2026 | 31.35 | 31.70 | 30.01 | 30.84 | 30.84 | -3.20% | 687,797 |
| Mar 4, 2026 | 31.92 | 32.55 | 31.39 | 31.86 | 31.86 | 2.48% | 439,163 |
| Mar 3, 2026 | 31.40 | 31.58 | 30.08 | 31.09 | 31.09 | -5.82% | 715,473 |
| Mar 2, 2026 | 30.20 | 33.38 | 30.08 | 33.01 | 33.01 | 1.32% | 803,887 |
| Feb 27, 2026 | 33.15 | 33.62 | 32.38 | 32.58 | 32.58 | -5.95% | 805,397 |
| Feb 26, 2026 | 34.30 | 34.81 | 33.20 | 34.64 | 34.64 | -0.12% | 615,011 |
| Feb 25, 2026 | 33.90 | 35.81 | 33.80 | 34.68 | 34.68 | 2.88% | 699,301 |
| Feb 24, 2026 | 32.31 | 34.24 | 32.05 | 33.71 | 33.71 | 3.69% | 820,897 |
| Feb 23, 2026 | 33.61 | 34.35 | 32.01 | 32.51 | 32.51 | -4.49% | 801,736 |
| Feb 20, 2026 | 33.17 | 35.53 | 32.50 | 34.04 | 34.04 | 0.77% | 1,173,308 |
| Feb 19, 2026 | 34.53 | 35.06 | 33.00 | 33.78 | 33.78 | -2.88% | 986,179 |
| Feb 18, 2026 | 37.40 | 38.11 | 34.00 | 34.78 | 34.78 | -5.13% | 1,764,505 |
| Feb 17, 2026 | 33.64 | 36.82 | 32.62 | 36.66 | 36.66 | 7.01% | 1,667,216 |
| Feb 13, 2026 | 31.95 | 34.53 | 31.05 | 34.26 | 34.26 | 7.23% | 1,435,297 |
| Feb 12, 2026 | 34.99 | 35.50 | 31.81 | 31.95 | 31.95 | -6.74% | 1,520,007 |
| Feb 11, 2026 | 33.49 | 34.82 | 31.21 | 34.26 | 34.26 | 7.47% | 2,737,608 |
| Feb 10, 2026 | 28.64 | 32.36 | 28.07 | 31.88 | 31.88 | 10.73% | 3,315,608 |
| Feb 9, 2026 | 28.13 | 30.13 | 27.74 | 28.79 | 28.79 | 2.20% | 1,079,774 |
| Feb 6, 2026 | 26.36 | 28.36 | 25.28 | 28.17 | 28.17 | 8.55% | 2,060,964 |
| Feb 5, 2026 | 31.76 | 31.85 | 24.87 | 25.95 | 25.95 | -6.01% | 3,549,139 |
| Feb 4, 2026 | 30.10 | 30.17 | 26.92 | 27.61 | 27.61 | -7.97% | 1,912,055 |
| Feb 3, 2026 | 30.90 | 31.24 | 28.75 | 30.00 | 30.00 | -0.07% | 1,010,698 |
| Feb 2, 2026 | 29.93 | 30.90 | 29.15 | 30.02 | 30.02 | 0.33% | 1,454,621 |
| Jan 30, 2026 | 30.96 | 31.67 | 29.67 | 29.92 | 29.92 | -4.86% | 762,403 |
| Jan 29, 2026 | 31.80 | 31.92 | 30.22 | 31.45 | 31.45 | -1.16% | 758,340 |
| Jan 28, 2026 | 32.57 | 32.88 | 31.30 | 31.82 | 31.82 | -1.09% | 606,465 |
| Jan 27, 2026 | 32.00 | 32.42 | 31.36 | 32.17 | 32.17 | 1.97% | 487,188 |
| Jan 26, 2026 | 33.13 | 33.94 | 31.36 | 31.55 | 31.55 | -5.20% | 843,451 |
| Jan 23, 2026 | 33.26 | 34.50 | 32.13 | 33.28 | 33.28 | 0.54% | 1,006,475 |
| Jan 22, 2026 | 32.42 | 33.47 | 31.80 | 33.10 | 33.10 | 4.06% | 957,144 |
| Jan 21, 2026 | 31.83 | 32.20 | 30.04 | 31.81 | 31.81 | 2.09% | 871,588 |
| Jan 20, 2026 | 30.52 | 31.42 | 30.28 | 31.16 | 31.16 | -3.20% | 691,802 |
| Jan 16, 2026 | 31.28 | 32.70 | 30.94 | 32.19 | 32.19 | 3.57% | 761,404 |
| Jan 15, 2026 | 31.64 | 32.00 | 30.96 | 31.08 | 31.08 | -0.54% | 653,452 |
| Jan 14, 2026 | 31.18 | 31.27 | 30.10 | 31.25 | 31.25 | -0.98% | 712,378 |
| Jan 13, 2026 | 30.85 | 31.78 | 30.65 | 31.56 | 31.56 | 3.58% | 725,076 |
| Jan 12, 2026 | 30.30 | 31.12 | 29.50 | 30.47 | 30.47 | -0.65% | 593,972 |
| Jan 9, 2026 | 30.95 | 31.30 | 29.92 | 30.67 | 30.67 | 0.29% | 591,755 |
| Jan 8, 2026 | 30.80 | 31.05 | 29.95 | 30.58 | 30.58 | -0.55% | 693,747 |
| Jan 7, 2026 | 30.80 | 31.38 | 30.16 | 30.75 | 30.75 | - | 705,620 |
| Jan 6, 2026 | 33.28 | 33.48 | 29.97 | 30.75 | 30.75 | -7.41% | 1,293,520 |
| Jan 5, 2026 | 32.35 | 33.69 | 32.08 | 33.21 | 33.21 | 5.16% | 1,208,583 |
| Jan 2, 2026 | 29.75 | 31.61 | 29.71 | 31.58 | 31.58 | 9.73% | 1,042,098 |
| Dec 31, 2025 | 28.97 | 29.18 | 28.68 | 28.78 | 28.78 | -0.59% | 832,754 |
| Dec 30, 2025 | 29.41 | 29.44 | 28.94 | 28.95 | 28.95 | -0.99% | 1,096,828 |
| Dec 29, 2025 | 30.20 | 30.64 | 29.21 | 29.24 | 29.24 | -4.38% | 828,824 |
| Dec 26, 2025 | 31.37 | 31.45 | 30.40 | 30.58 | 30.58 | -2.43% | 526,093 |
| Dec 24, 2025 | 31.51 | 31.58 | 30.91 | 31.34 | 31.34 | -1.35% | 305,543 |
| Dec 23, 2025 | 31.59 | 32.18 | 31.49 | 31.77 | 31.77 | -0.28% | 546,169 |
| Dec 22, 2025 | 31.28 | 32.29 | 30.73 | 31.86 | 31.86 | 3.95% | 892,826 |
| Dec 19, 2025 | 30.49 | 31.61 | 30.29 | 30.65 | 30.65 | 0.20% | 920,813 |
| Dec 18, 2025 | 30.40 | 31.40 | 30.01 | 30.59 | 30.59 | 5.34% | 790,083 |
| Dec 17, 2025 | 31.43 | 32.06 | 28.97 | 29.04 | 29.04 | -6.95% | 1,216,891 |
| Dec 16, 2025 | 31.20 | 32.59 | 30.99 | 31.21 | 31.21 | -0.95% | 643,083 |
| Dec 15, 2025 | 31.58 | 31.84 | 30.67 | 31.51 | 31.51 | 1.42% | 1,002,069 |
| Dec 12, 2025 | 32.22 | 32.46 | 30.27 | 31.07 | 31.07 | -3.63% | 855,093 |
| Dec 11, 2025 | 32.74 | 32.80 | 31.41 | 32.24 | 32.24 | -3.39% | 928,401 |
| Dec 10, 2025 | 32.42 | 33.59 | 31.67 | 33.37 | 33.37 | 2.65% | 891,150 |
| Dec 9, 2025 | 32.27 | 32.71 | 31.75 | 32.51 | 32.51 | 0.15% | 559,672 |
| Dec 8, 2025 | 32.96 | 33.16 | 32.02 | 32.46 | 32.46 | -0.03% | 528,823 |
| Dec 5, 2025 | 33.01 | 33.16 | 31.95 | 32.47 | 32.47 | -1.64% | 743,311 |
| Dec 4, 2025 | 31.79 | 33.50 | 31.70 | 33.01 | 33.01 | 3.03% | 737,701 |
| Dec 3, 2025 | 30.74 | 32.15 | 29.90 | 32.04 | 32.04 | 4.06% | 631,207 |
| Dec 2, 2025 | 30.63 | 31.64 | 30.50 | 30.79 | 30.79 | 2.80% | 812,943 |
| Dec 1, 2025 | 30.09 | 30.95 | 29.65 | 29.95 | 29.95 | -3.67% | 916,132 |
| Nov 28, 2025 | 30.91 | 31.41 | 30.58 | 31.09 | 31.09 | 1.93% | 584,957 |
| Nov 26, 2025 | 31.32 | 31.50 | 30.27 | 30.50 | 30.50 | -0.81% | 1,132,350 |
| Nov 25, 2025 | 31.07 | 31.24 | 29.53 | 30.75 | 30.75 | -1.66% | 999,753 |
| Nov 24, 2025 | 30.82 | 31.83 | 30.54 | 31.27 | 31.27 | 2.93% | 879,624 |
| Nov 21, 2025 | 29.73 | 30.98 | 28.70 | 30.38 | 30.38 | 2.01% | 1,198,268 |
| Nov 20, 2025 | 32.88 | 33.42 | 29.70 | 29.78 | 29.78 | -4.49% | 1,124,203 |
| Nov 19, 2025 | 32.17 | 32.61 | 30.81 | 31.18 | 31.18 | 0.03% | 662,948 |
| Nov 18, 2025 | 31.40 | 32.57 | 30.69 | 31.17 | 31.17 | -2.99% | 1,055,951 |
| Nov 17, 2025 | 33.74 | 34.01 | 31.69 | 32.13 | 32.13 | -5.25% | 972,307 |
| Nov 14, 2025 | 32.07 | 34.85 | 31.84 | 33.91 | 33.91 | 0.83% | 875,342 |
| Nov 13, 2025 | 34.79 | 35.18 | 32.82 | 33.63 | 33.63 | -4.41% | 1,379,007 |
| Nov 12, 2025 | 35.96 | 36.40 | 34.43 | 35.18 | 35.18 | -0.40% | 859,348 |
| Nov 11, 2025 | 36.34 | 36.34 | 34.16 | 35.32 | 35.32 | -4.31% | 1,494,791 |
| Nov 10, 2025 | 40.28 | 40.90 | 36.70 | 36.91 | 36.91 | -5.02% | 2,093,153 |
| Nov 7, 2025 | 35.80 | 38.87 | 33.81 | 38.86 | 38.86 | 6.32% | 3,040,089 |
| Nov 6, 2025 | 42.81 | 44.83 | 36.20 | 36.55 | 36.55 | -38.49% | 5,403,888 |
| Nov 5, 2025 | 57.20 | 60.65 | 56.08 | 59.42 | 59.42 | 5.56% | 1,095,201 |
| Nov 4, 2025 | 57.30 | 58.80 | 55.26 | 56.29 | 56.29 | -7.16% | 676,680 |
| Nov 3, 2025 | 59.75 | 61.30 | 58.51 | 60.63 | 60.63 | 2.36% | 631,722 |
| 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 |