AMSC
American Superconductor Corp
stockNASDAQ
At CloseOct 19, 2026 3:59:52 PM EDT
25.68USD+0.039%(+0.01)806,074
Pre-marketOct 19, 2026 9:25:30 AM EDT
26.57USD+3.506%(+0.90)
AMSC Off Exchange & Dark Pool Summary
Today’s Off Exchange & Dark Pool volume is 317,267, which is 39.34% of today’s total volume. Today’s Lit volume is 489,129 (60.66%). Over the past 30 days, the average Off Exchange & Dark Pool volume has been 44.81%, and the average Lit volume 55.19%.
| Exchange | Day % | Volume | 30D % |
|---|---|---|---|
| Off Exchange1 | 39.34% | 317,267 | 44.81% |
| Nasdaq GSM | 35.43% | 285,714 | 33.20% |
| NYSE Arca | 5.92% | 47,699 | 6.29% |
| Cboe EDGX | 3.97% | 32,012 | 3.39% |
| Cboe BZX | 3.83% | 30,870 | 3.82% |
| IEX | 3.46% | 27,909 | 4.25% |
| Cboe BYX | 2.07% | 16,683 | 0.61% |
| Cboe EDGA | 1.75% | 14,109 | 0.51% |
| NYSE | 1.55% | 12,516 | 1.08% |
| MEMX | 1.11% | 8,926 | 0.88% |
| NYSE National | 0.50% | 3,998 | 0.19% |
| Nasdaq BX | 0.48% | 3,837 | 0.25% |
| Nasdaq PHLX | 0.21% | 1,667 | 0.14% |
| MIAX Pearl | 0.18% | 1,420 | 0.20% |
| CHX | 0.10% | 789 | 0.07% |
| NYSE American | 0.09% | 748 | 0.15% |
| 24X National | 0.03% | 202 | 0.05% |
| TXSE | 0.00% | 30 | 0.02% |
AMSC Volume by Exchange
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AMSC Volume by Exchange
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AMSC Volume by Exchange · History
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| Date | Off Exchange1 | Nasdaq GSM | NYSE Arca | Cboe EDGX | Cboe BZX | IEX | Cboe BYX | Cboe EDGA | NYSE | MEMX | NYSE National | Nasdaq BX | Nasdaq PHLX | MIAX Pearl | CHX | NYSE American | 24X National | TXSE | LTSE |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-10-19 | 39.34 | 35.43 | 5.92 | 3.97 | 3.83 | 3.46 | 2.07 | 1.75 | 1.55 | 1.11 | 0.50 | 0.48 | 0.21 | 0.18 | 0.10 | 0.09 | 0.03 | 0.00 | 0.00 |
| 2026-10-16 | 41.12 | 32.29 | 7.47 | 2.30 | 3.76 | 9.54 | 0.30 | 0.43 | 1.16 | 0.58 | 0.13 | 0.24 | 0.20 | 0.20 | 0.04 | 0.15 | 0.03 | 0.06 | 0.00 |
| 2026-10-15 | 40.28 | 31.38 | 6.97 | 3.28 | 9.33 | 4.81 | 0.61 | 0.43 | 0.96 | 0.76 | 0.21 | 0.28 | 0.07 | 0.33 | 0.08 | 0.21 | 0.00 | 0.00 | 0.00 |
| 2026-10-14 | 38.29 | 32.85 | 7.08 | 9.13 | 3.18 | 3.30 | 0.64 | 1.42 | 1.06 | 1.52 | 0.22 | 0.19 | 0.21 | 0.21 | 0.22 | 0.32 | 0.13 | 0.01 | 0.01 |
| 2026-10-13 | 40.79 | 37.16 | 6.27 | 3.56 | 3.56 | 3.30 | 1.06 | 0.48 | 1.21 | 1.25 | 0.24 | 0.13 | 0.19 | 0.38 | 0.03 | 0.18 | 0.13 | 0.07 | 0.00 |
| 2026-10-12 | 45.81 | 33.74 | 5.74 | 3.22 | 4.08 | 4.30 | 0.12 | 0.37 | 0.99 | 0.90 | 0.16 | 0.15 | 0.08 | 0.20 | 0.03 | 0.09 | 0.03 | 0.00 | 0.00 |
| 2026-10-09 | 46.25 | 30.18 | 7.13 | 3.20 | 3.25 | 3.69 | 0.59 | 0.77 | 1.79 | 0.66 | 0.23 | 0.63 | 0.20 | 0.20 | 0.09 | 1.05 | 0.05 | 0.01 | 0.01 |
| 2026-10-08 | 47.70 | 31.09 | 6.54 | 3.02 | 3.38 | 4.33 | 0.31 | 0.34 | 1.13 | 1.12 | 0.12 | 0.23 | 0.18 | 0.23 | 0.05 | 0.11 | 0.08 | 0.02 | 0.01 |
| 2026-10-07 | 47.28 | 36.09 | 4.79 | 2.21 | 2.73 | 2.68 | 0.64 | 0.55 | 0.87 | 0.82 | 0.30 | 0.42 | 0.22 | 0.12 | 0.08 | 0.12 | 0.05 | 0.02 | 0.00 |
| 2026-10-06 | 42.03 | 30.75 | 7.97 | 5.27 | 4.00 | 4.37 | 0.73 | 0.43 | 1.00 | 1.66 | 0.22 | 0.49 | 0.30 | 0.41 | 0.12 | 0.11 | 0.10 | 0.05 | 0.00 |
| 2026-10-05 | 42.27 | 35.41 | 5.63 | 3.54 | 3.35 | 5.32 | 0.43 | 0.55 | 1.42 | 0.81 | 0.36 | 0.28 | 0.09 | 0.26 | 0.04 | 0.19 | 0.01 | 0.05 | 0.00 |
| 2026-10-02 | 46.11 | 30.17 | 8.39 | 3.16 | 3.52 | 4.15 | 0.48 | 0.39 | 1.01 | 1.32 | 0.13 | 0.19 | 0.25 | 0.24 | 0.12 | 0.25 | 0.07 | 0.05 | 0.00 |
| 2026-10-01 | 44.13 | 32.99 | 6.14 | 3.62 | 3.08 | 4.75 | 0.79 | 0.22 | 1.77 | 1.06 | 0.31 | 0.24 | 0.13 | 0.22 | 0.11 | 0.23 | 0.01 | 0.18 | 0.03 |
| 2026-09-30 | 50.26 | 32.96 | 4.46 | 2.05 | 2.48 | 4.03 | 0.34 | 0.53 | 1.50 | 0.45 | 0.15 | 0.14 | 0.14 | 0.19 | 0.07 | 0.10 | 0.00 | 0.06 | 0.07 |
| 2026-09-29 | 48.94 | 31.49 | 4.76 | 2.03 | 2.73 | 6.46 | 0.50 | 0.25 | 1.18 | 0.64 | 0.13 | 0.39 | 0.12 | 0.08 | 0.06 | 0.10 | 0.03 | 0.00 | 0.12 |
| 2026-09-28 | 39.09 | 38.09 | 9.78 | 2.13 | 3.61 | 4.25 | 0.11 | 0.11 | 1.42 | 0.71 | 0.03 | 0.13 | 0.02 | 0.14 | 0.05 | 0.01 | 0.03 | 0.11 | 0.17 |
| 2026-09-25 | 57.27 | 28.28 | 3.26 | 2.83 | 2.53 | 2.73 | 0.31 | 0.39 | 0.91 | 0.56 | 0.10 | 0.27 | 0.16 | 0.20 | 0.03 | 0.07 | 0.04 | 0.00 | 0.06 |
| 2026-09-24 | 56.01 | 25.91 | 5.87 | 2.38 | 2.49 | 3.72 | 0.62 | 0.20 | 0.57 | 0.96 | 0.26 | 0.19 | 0.06 | 0.17 | 0.02 | 0.05 | 0.07 | 0.00 | 0.44 |
| 2026-09-23 | 51.87 | 31.25 | 5.04 | 3.07 | 2.49 | 3.37 | 0.48 | 0.21 | 0.56 | 0.76 | 0.07 | 0.19 | 0.13 | 0.14 | 0.05 | 0.07 | 0.04 | 0.01 | 0.20 |
| 2026-09-22 | 48.23 | 29.48 | 6.43 | 4.72 | 2.86 | 4.16 | 0.72 | 0.34 | 0.88 | 1.13 | 0.13 | 0.08 | 0.13 | 0.32 | 0.14 | 0.07 | 0.02 | 0.00 | 0.15 |
| 2026-09-21 | 48.35 | 31.56 | 6.16 | 3.64 | 1.94 | 4.98 | 0.55 | 0.18 | 0.66 | 0.91 | 0.03 | 0.15 | 0.20 | 0.12 | 0.21 | 0.23 | 0.03 | 0.01 | 0.07 |
| 2026-09-18 | 37.57 | 47.46 | 3.63 | 1.90 | 1.87 | 5.46 | 0.39 | 0.16 | 0.64 | 0.55 | 0.02 | 0.06 | 0.08 | 0.08 | 0.02 | 0.03 | 0.01 | 0.00 | 0.03 |
| 2026-09-17 | 51.34 | 25.71 | 5.90 | 3.22 | 3.49 | 5.99 | 0.64 | 0.47 | 1.38 | 0.85 | 0.21 | 0.15 | 0.09 | 0.18 | 0.01 | 0.07 | 0.10 | 0.01 | 0.19 |
| 2026-09-16 | 35.51 | 30.37 | 14.35 | 1.90 | 12.20 | 2.42 | 0.61 | 0.20 | 1.02 | 0.58 | 0.08 | 0.09 | 0.11 | 0.15 | 0.05 | 0.05 | 0.04 | 0.00 | 0.26 |
| 2026-09-15 | 45.90 | 30.49 | 5.88 | 2.77 | 5.66 | 6.47 | 0.35 | 0.16 | 0.92 | 0.67 | 0.02 | 0.07 | 0.11 | 0.18 | 0.08 | 0.06 | 0.00 | 0.03 | 0.16 |
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