ALDER BIOPHARMACEUTICALS INC short interest in 2018

In 2018, ALDER BIOPHARMACEUTICALS INC's disclosed short interest ran from 9.18% of shares outstanding on 12 Jan 2018 to 16.92% on 31 Dec 2018, a change of +7.74 percentage points. The year's high was 17.87% on 15 Jun 2018 and its low 9.18% on 12 Jan 2018, averaging 15.38% across 24 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 24.94 days on 30 Nov 2018. Full history: ALDER BIOPHARMACEUTICALS INC.

Cite this page

Plain

Short position data for ALDER BIOPHARMACEUTICALS INC short interest in 2018: FINRA, compiled by howshorted.com, settlement date 31 Dec 2018. https://howshorted.com/us/company/aldr-2020/2018/

Wikipedia

<ref>{{cite web |title=ALDER BIOPHARMACEUTICALS INC short interest in 2018 short position data |url=https://howshorted.com/us/company/aldr-2020/2018/ |website=HowShorted |publisher=howshorted.com (data: FINRA) |date=2018-12-31 |access-date=2026-10-13}}</ref>

BibTeX

@misc{howshorted-alder-biopharmaceuticals-inc-short-inter-2018-12-31,
  title        = {ALDER BIOPHARMACEUTICALS INC short interest in 2018 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/aldr-2020/2018/}},
  note         = {Data: FINRA, settlement date 31 Dec 2018; accessed 2026-10-13},
  year         = {2018}
}

By year: 2018 · 2019

2018 in figures

Start of year: 9.18% (12 Jan 2018)
End of year: 16.92% (31 Dec 2018)
Change: +7.74 pp
High: 17.87% (15 Jun 2018)
Low: 9.18% (12 Jan 2018)
Average: 15.38%
Highest days to cover: 24.94 (30 Nov 2018)
SEC filings marked: 8

Every report in 2018

ALDER BIOPHARMACEUTICALS INC short interest in 2018
Settlement	Short interest	Days to cover	Filings since previous
12 Jan 2018	9.18%	2.51
31 Jan 2018	9.46%	3.58
15 Feb 2018	11.50%	3.81
28 Feb 2018	12.32%	5.85	10-K filed, results (8-K)
15 Mar 2018	13.62%	8.00
29 Mar 2018	16.03%	5.42
13 Apr 2018	16.25%	10.29
30 Apr 2018	16.69%	12.81
15 May 2018	16.67%	12.84	10-Q filed, results (8-K)
31 May 2018	16.82%	10.60
15 Jun 2018	17.87%	7.52
29 Jun 2018	16.02%	11.42
13 Jul 2018	15.73%	12.40
31 Jul 2018	15.92%	17.16
15 Aug 2018	15.75%	10.74	10-Q filed, results (8-K)
31 Aug 2018	15.69%	16.73
14 Sep 2018	15.78%	13.72
28 Sep 2018	16.39%	13.73
15 Oct 2018	15.99%	11.40
31 Oct 2018	16.89%	15.88
15 Nov 2018	17.81%	15.36	10-Q filed, results (8-K)
30 Nov 2018	17.77%	24.94
14 Dec 2018	16.07%	9.96
31 Dec 2018	16.92%	10.68

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.