stockNASDAQ: AMSC • Today's Updates
American Superconductor Corporation (AMSC) Today Close
Showing Closing Date Range from Sep, 10 to Sep, 11, 2026.
NASDAQ MarketOfficial Close Wall Street: 7:42 PM ET
Today's Session Settled & Finalized
Official market closing rate settled for Sep 11, 2026. Next session begins at 9:30 AM ET.
Multi-Day Trends:View 28-Day Chart
Started At
Market Open Opening price at session start (9:30 AM ET)
$29.29
Opening Gap+$0.63(+2.20%)
Closed At
OFFICIAL CLOSESettled close for Sep 11, 2026
$29.53
Session DateSep 11, 2026
Gained Today
GAIN Net movement vs previous close
+$0.87 (+3.04%)
Intraday (from open)+$0.24 (+0.82%)
Day's High & Low Range
Session Low
$28.97
Session High
$29.66
Low ($28.97)Closed At ($29.53)High ($29.66)
Trading Activity & Liquidity
Shares Traded
393.8K
393,793 shares
Dollar Volume
$11.63M
Close × Volume traded
Session Turnover$11.63M USD
Session Statistics Breakdown
Key opening, settlement, and trading metrics for American Superconductor Corporation (AMSC).
Sep 11, 2026
Started At (Open)
$29.29
Previous Close
$28.66
Session High
$29.66
Session Low
$28.97
Closed At
$29.53
Gained / Lost ($)
+$0.87
Gained / Lost (%)
+3.04%
Day's Spread
$0.69