AMSC · American Superconductor Corp /De/

$33.40 -1.15 (-3.33%) At close · Jul 22

Market Cap

$1.59B

47.69M

Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.

Short Squeeze Score

51/100

Short interest 7.1% of shares — P82 Days to cover 3.3 — P64 Price vs VWAP -27.6% — P11 Short-volume trend -10.9% — P17 Short interest change -2.8% — P37 Worst FTD 0.03% of shares — P57

Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-06-30). Weighted mean of the available factors (short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, fails-to-deliver 10%) plus catalyst boosts (price spike, volume surge, earnings within days), capped at +20 and clamped to 100.

1M 3M 6M 1Y 5Y All

Short Interest History

Settlement Date	Current Position	Previous Position	Change	Avg Daily Volume	Days to Cover
2026-06-30	3,364,466	3,460,676	-96,210	1,023,962	3.29
2026-06-15	3,460,676	3,898,328	-437,652	1,445,314	2.39
2026-05-29	3,898,328	3,738,766	+159,562	1,387,897	2.81
2026-05-15	3,738,766	3,776,161	-37,395	1,189,725	3.14
2026-04-30	3,776,161	2,946,702	+829,459	1,712,434	2.21
2026-04-15	2,946,702	2,805,155	+141,547	875,377	3.37
2026-03-31	2,805,155	2,474,546	+330,609	1,030,181	2.72
2026-03-13	2,474,546	3,012,250	-537,704	862,906	2.87
2026-02-27	3,012,250	2,829,720	+182,530	967,419	3.11
2026-02-13	2,829,720	2,437,768	+391,952	1,976,686	1.43
2026-01-30	2,437,768	2,597,170	-159,402	766,102	3.18
2026-01-15	2,597,170	2,404,475	+192,695	813,165	3.19
2025-12-31	2,404,475	2,265,739	+138,736	771,408	3.12
2025-12-15	2,265,739	2,546,326	-280,587	773,252	2.93
2025-11-28	2,546,326	2,662,835	-116,509	938,478	2.71
2025-11-14	2,662,835	2,629,829	+33,006	1,737,011	1.53
2025-10-31	2,629,829	2,672,210	-42,381	968,453	2.72
2025-10-15	2,672,210	2,794,050	-121,840	1,230,781	2.17
2025-09-30	2,794,050	2,672,116	+121,934	1,453,085	1.92
2025-09-15	2,672,116	2,263,149	+408,967	923,473	2.89
2025-08-29	2,263,149	2,268,207	-5,058	914,198	2.48
2025-08-15	2,268,207	2,366,750	-98,543	1,236,664	1.83
2025-07-31	2,366,750	3,094,083	-727,333	1,283,421	1.84

Showing 1–23 of 23 settlements

Key facts CIK 880807 CUSIP 030111207 13F (30d) 35 filings 35 filers Visit website Investor relations