CHEMBIO DIAGNOSTICS, INC. short interest in 2021

In 2021, CHEMBIO DIAGNOSTICS, INC.'s disclosed short interest ran from 18.58% of shares outstanding on 15 Jan 2021 to 9.98% on 31 Dec 2021, a change of -8.60 percentage points. The year's high was 18.58% on 15 Jan 2021 and its low 5.84% on 15 Sep 2021, averaging 10.28% across 24 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 6.17 days on 28 May 2021. Full history: CHEMBIO DIAGNOSTICS, INC..

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Plain

Short position data for CHEMBIO DIAGNOSTICS, INC. short interest in 2021: FINRA, compiled by howshorted.com, settlement date 31 Dec 2021. https://howshorted.com/us/company/cemi-2023/2021/

Wikipedia

<ref>{{cite web |title=CHEMBIO DIAGNOSTICS, INC. short interest in 2021 short position data |url=https://howshorted.com/us/company/cemi-2023/2021/ |website=HowShorted |publisher=howshorted.com (data: FINRA) |date=2021-12-31 |access-date=2026-10-13}}</ref>

BibTeX

@misc{howshorted-chembio-diagnostics-inc-short-interest-i-2021-12-31,
  title        = {CHEMBIO DIAGNOSTICS, INC. short interest in 2021 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/cemi-2023/2021/}},
  note         = {Data: FINRA, settlement date 31 Dec 2021; accessed 2026-10-13},
  year         = {2021}
}

By year: 2018 · 2019 · 2020 · 2021 · 2022 · 2023

2021 in figures

Start of year: 18.58% (15 Jan 2021)
End of year: 9.98% (31 Dec 2021)
Change: -8.60 pp
High: 18.58% (15 Jan 2021)
Low: 5.84% (15 Sep 2021)
Average: 10.28%
Highest days to cover: 6.17 (28 May 2021)
SEC filings marked: 9

Every report in 2021

CHEMBIO DIAGNOSTICS, INC. short interest in 2021
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2021	18.58%	3.50
29 Jan 2021	17.99%	3.38
12 Feb 2021	15.68%	3.85
26 Feb 2021	10.84%	3.29
15 Mar 2021	9.81%	2.46	10-K filed, results (8-K)
31 Mar 2021	9.80%	2.83
15 Apr 2021	12.07%	1.00
30 Apr 2021	11.06%	3.85
14 May 2021	9.94%	5.02	10-Q filed, results (8-K)
28 May 2021	11.18%	6.17
15 Jun 2021	9.29%	3.59
30 Jun 2021	6.90%	1.97
15 Jul 2021	6.33%	4.45
30 Jul 2021	7.77%	1.00	results (8-K)
13 Aug 2021	8.35%	1.00	results (8-K), 10-Q filed
31 Aug 2021	10.97%	1.00
15 Sep 2021	5.84%	1.00
30 Sep 2021	7.93%	1.07
15 Oct 2021	9.12%	3.25
29 Oct 2021	8.71%	3.05
15 Nov 2021	8.87%	2.31	results (8-K), 10-Q filed
30 Nov 2021	9.19%	1.00
15 Dec 2021	10.57%	3.45
31 Dec 2021	9.98%	1.70

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.