OptiNose, Inc. short interest in 2021

In 2021, OptiNose, Inc.'s disclosed short interest ran from 10.38% of shares outstanding on 15 Jan 2021 to 2.82% on 31 Dec 2021, a change of -7.56 percentage points. The year's high was 10.38% on 15 Jan 2021 and its low 2.82% on 31 Dec 2021, averaging 7.14% across 24 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 27.44 days on 28 May 2021. Full history: OptiNose, Inc..

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Plain

Short position data for OptiNose, Inc. short interest in 2021: FINRA, compiled by howshorted.com, settlement date 31 Dec 2021. https://howshorted.com/us/company/optn-2025/2021/

Wikipedia

<ref>{{cite web |title=OptiNose, Inc. short interest in 2021 short position data |url=https://howshorted.com/us/company/optn-2025/2021/ |website=HowShorted |publisher=howshorted.com (data: FINRA) |date=2021-12-31 |access-date=2026-10-13}}</ref>

BibTeX

@misc{howshorted-optinose-inc-short-interest-in-2021-2021-12-31,
  title        = {OptiNose, Inc. short interest in 2021 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/optn-2025/2021/}},
  note         = {Data: FINRA, settlement date 31 Dec 2021; accessed 2026-10-13},
  year         = {2021}
}

By year: 2019 · 2020 · 2021 · 2022 · 2023 · 2024

2021 in figures

Start of year: 10.38% (15 Jan 2021)
End of year: 2.82% (31 Dec 2021)
Change: -7.56 pp
High: 10.38% (15 Jan 2021)
Low: 2.82% (31 Dec 2021)
Average: 7.14%
Highest days to cover: 27.44 (28 May 2021)
SEC filings marked: 9

Every report in 2021

OptiNose, Inc. short interest in 2021
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2021	10.38%	22.34
29 Jan 2021	6.80%	7.47
12 Feb 2021	9.06%	11.02
26 Feb 2021	9.17%	10.92
15 Mar 2021	8.26%	7.37	10-K filed, results (8-K)
31 Mar 2021	8.21%	10.93
15 Apr 2021	8.56%	18.21
30 Apr 2021	9.01%	19.37
14 May 2021	9.50%	13.24	10-Q filed, results (8-K)
28 May 2021	9.81%	27.44
15 Jun 2021	9.57%	22.86
30 Jun 2021	7.67%	5.24
15 Jul 2021	7.84%	14.86
30 Jul 2021	8.04%	9.42	results (8-K)
13 Aug 2021	7.43%	11.00	10-Q filed, results (8-K)
31 Aug 2021	5.60%	9.24
15 Sep 2021	5.91%	19.16
30 Sep 2021	5.72%	15.14
15 Oct 2021	5.13%	21.56
29 Oct 2021	5.34%	23.45
15 Nov 2021	5.33%	17.56	10-Q filed, results (8-K)
30 Nov 2021	3.09%	1.82
15 Dec 2021	3.04%	5.49
31 Dec 2021	2.82%	5.53

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.