Aehr Test Systems short interest in 2021

In 2021, Aehr Test Systems's disclosed short interest ran from 0.52% of shares outstanding on 15 Jan 2021 to 8.23% on 31 Dec 2021, a change of +7.71 percentage points. The year's high was 8.23% on 31 Dec 2021 and its low 0.44% on 30 Jun 2021, averaging 2.95% across 23 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 3.09 days on 30 Apr 2021. Full history: Aehr Test Systems.

Cite this page

Plain

Short position data for Aehr Test Systems short interest in 2021: FINRA, compiled by howshorted.com, settlement date 31 Dec 2021. https://howshorted.com/us/company/aehr/2021/

Wikipedia

<ref>{{cite web |title=Aehr Test Systems short interest in 2021 short position data |url=https://howshorted.com/us/company/aehr/2021/ |website=HowShorted |publisher=howshorted.com (data: FINRA) |date=2021-12-31 |access-date=2026-10-13}}</ref>

BibTeX

@misc{howshorted-aehr-test-systems-short-interest-in-2021-2021-12-31,
  title        = {Aehr Test Systems short interest in 2021 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/aehr/2021/}},
  note         = {Data: FINRA, settlement date 31 Dec 2021; accessed 2026-10-13},
  year         = {2021}
}

By year: 2018 · 2019 · 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026

2021 in figures

Start of year: 0.52% (15 Jan 2021)
End of year: 8.23% (31 Dec 2021)
Change: +7.71 pp
High: 8.23% (31 Dec 2021)
Low: 0.44% (30 Jun 2021)
Average: 2.95%
Highest days to cover: 3.09 (30 Apr 2021)
SEC filings marked: 8

Every report in 2021

Aehr Test Systems short interest in 2021
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2021	0.52%	1.00	results (8-K), 10-Q filed
29 Jan 2021	0.67%	1.00
12 Feb 2021	0.82%	1.00
26 Feb 2021	1.08%	1.00
15 Mar 2021	0.77%	1.00
31 Mar 2021	0.88%	1.62
15 Apr 2021	1.03%	1.00	results (8-K), 10-Q filed
30 Apr 2021	1.22%	3.09
14 May 2021	1.43%	1.00
28 May 2021	1.34%	1.00
15 Jun 2021	0.63%	1.00
30 Jun 2021	0.44%	1.00
15 Jul 2021	0.80%	1.00	results (8-K)
13 Aug 2021	4.03%	1.00
31 Aug 2021	5.72%	1.00	10-K filed
15 Sep 2021	5.64%	1.00
30 Sep 2021	5.23%	1.00	results (8-K)
15 Oct 2021	8.14%	1.00	10-Q filed
29 Oct 2021	6.06%	1.00
15 Nov 2021	4.66%	1.00
30 Nov 2021	3.57%	1.00
15 Dec 2021	4.99%	1.37
31 Dec 2021	8.23%	1.36

About this data

US short interest data: FINRA (finra.org), shown as reported shares short divided by SEC-reported shares outstanding for each settlement date. FINRA® is a registered trademark of the Financial Industry Regulatory Authority, Inc. This site is not affiliated with or endorsed by FINRA or the SEC; displayed for personal reference, bulk redistribution is not permitted (see terms). Nothing here is investment advice. Method: methodology.