What does this number include?

FINRA member firms must report their short positions in all US equities twice a month; FINRA consolidates them per security. We divide that official share count by the company's shares outstanding from its SEC filings. This is the regulatory figure, not a daily estimate.

Why does it only update twice a month?

US short interest is reported for settlement on the 15th and the last business day of each month, and FINRA publishes the consolidated figures about nine business days later. That cadence is set by regulation; no daily official figure exists.

Is this ARQL's short float?

No. This is short interest as a percentage of shares outstanding, the count in the company's SEC filings. "Short float" divides the same FINRA short count by the public float, which excludes closely held shares, so it comes out higher for the same company. We publish no float estimates: the float is not a regulatory figure.

What is ARQL's days to cover?

2.20 days for settlement date 15 Jan 2020: FINRA's own short interest ratio, the reported shares short divided by average daily trading volume. It is published in the same FINRA file and shown verbatim; we hold no volume data ourselves.

Which funds are short?

US public short interest is aggregate-only: individual short sellers are not named. Only some EU markets publish named positions.

How shorted was ArQule, Inc.? ARQL

ArQule, Inc. left the US market in 2020. This page is a frozen archive of its reported short interest, ending 15 Jan 2020. The ticker ARQL no longer refers to this company and may since have been reassigned.

8.42%

of shares outstanding reported short · settlement date 15 Jan 2020

vs previous report: −3.53
5 reports (~10 weeks): −6.72
days to cover: 2.20

Markers along the chart's base: ▲ results announced (an 8-K reporting results was filed) ▲ quarterly or annual report filed. Dates are SEC filing dates; hover a point to see events since the previous settlement.

Days to cover

FINRA's own figure: reported shares short divided by the stock's average daily trading volume, published alongside each settlement. It expresses the short position in days of typical trading rather than as a percentage of the company; the two can move differently.

Short interest around results

For each results announcement (an 8-K reporting results, by its SEC filing date), the FINRA settlement before it and the first one after. Settlements fall twice a month, so the two figures can sit up to a month apart and much else changes in between: this shows what was reported, not why.

Reported short interest before and after each results announcement
Results filed	Settlement before	Settlement after	Change
30 Oct 2019	14.69% 15 Oct 2019	15.14% 31 Oct 2019	+0.45
7 Aug 2019	10.70% 31 Jul 2019	11.05% 15 Aug 2019	+0.35
1 May 2019	6.85% 30 Apr 2019	7.78% 15 May 2019	+0.93
7 Mar 2019	7.35% 28 Feb 2019	7.73% 15 Mar 2019	+0.38
31 Oct 2018	10.31% 15 Oct 2018	8.74% 15 Nov 2018	−1.57
1 Aug 2018	5.57% 31 Jul 2018	5.61% 15 Aug 2018	+0.04
7 May 2018	1.79% 30 Apr 2018	1.80% 15 May 2018	+0.01
5 Mar 2018	0.80% 28 Feb 2018	1.84% 15 Mar 2018	+1.04

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Paste this snippet to embed the interactive chart. It updates with each FINRA report and keeps the source attribution. Preview

<iframe src="https://howshorted.com/embed/us/arql-2020/" width="100%" height="430" style="border:0" loading="lazy" title="ArQule, Inc. short interest chart"></iframe>
<p>Source: FINRA data compiled by <a href="https://howshorted.com/us/company/arql-2020/">howshorted.com</a></p>

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Plain

Short position data for ArQule, Inc.: FINRA, compiled by howshorted.com, settlement date 15 Jan 2020. https://howshorted.com/us/company/arql-2020/

Wikipedia

<ref>{{cite web |title=ArQule, Inc. short position data |url=https://howshorted.com/us/company/arql-2020/ |website=HowShorted |publisher=howshorted.com (data: FINRA) |date=2020-01-15 |access-date=2026-10-13}}</ref>

BibTeX

@misc{howshorted-arqule-inc-2020-01-15,
  title        = {ArQule, Inc. short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/arql-2020/}},
  note         = {Data: FINRA, settlement date 15 Jan 2020; accessed 2026-10-13},
  year         = {2020}
}

Sector: Healthcare

History

Full reported short interest history
Settlement date	Short %	Change
15 Jan 2020	8.42%	−3.53
31 Dec 2019	11.95%	+0.48
13 Dec 2019	11.47%	−4.33
29 Nov 2019	15.80%	−0.97
15 Nov 2019	16.77%	+1.63
31 Oct 2019	15.14%	+0.45
15 Oct 2019	14.69%	+1.48
30 Sep 2019	13.21%	+2.22
13 Sep 2019	10.99%	−0.24
30 Aug 2019	11.23%	+0.18
15 Aug 2019	11.05%	+0.35
31 Jul 2019	10.70%	−1.47
15 Jul 2019	12.17%	+1.58
28 Jun 2019	10.59%	+1.89
14 Jun 2019	8.70%	+0.74
31 May 2019	7.96%	+0.18
15 May 2019	7.78%	+0.93
30 Apr 2019	6.85%	+1.08
15 Apr 2019	5.77%	+0.02
29 Mar 2019	5.75%	−1.98
15 Mar 2019	7.73%	+0.38
28 Feb 2019	7.35%	+0.27
15 Feb 2019	7.08%	+0.11
31 Jan 2019	6.97%	−0.06
15 Jan 2019	7.03%	+0.53
31 Dec 2018	6.50%	−0.61
14 Dec 2018	7.11%	−1.50
30 Nov 2018	8.61%	−0.13
15 Nov 2018	8.74%	−1.21
31 Oct 2018	9.95%	−0.36
15 Oct 2018	10.31%	+0.13
28 Sep 2018	10.18%	+4.34
14 Sep 2018	5.84%	+0.66
31 Aug 2018	5.18%	−0.43
15 Aug 2018	5.61%	+0.04
31 Jul 2018	5.57%	+4.16
15 Jun 2018	1.41%	+0.03
31 May 2018	1.38%	−0.42
15 May 2018	1.80%	+0.01
30 Apr 2018	1.79%	−0.14
13 Apr 2018	1.93%	−0.11
29 Mar 2018	2.04%	+0.20
15 Mar 2018	1.84%	+1.04
28 Feb 2018	0.80%	+0.02
15 Feb 2018	0.78%	−0.02
31 Jan 2018	0.80%	−0.01
12 Jan 2018	0.81%	−0.05
29 Dec 2017	0.86%	–

Newest first. Scroll inside the table for earlier dates, back to 29 Dec 2017.

Frequently asked questions

How shorted was ArQule, Inc.?: ArQule, Inc. left the US market in 2020. Its final reported figure was 8.42% of shares outstanding for settlement date 15 Jan 2020, per FINRA's consolidated short interest report; this page preserves its full history.
What does this number include?: FINRA member firms must report their short positions in all US equities twice a month; FINRA consolidates them per security. We divide that official share count by the company's shares outstanding from its SEC filings. This is the regulatory figure, not a daily estimate.
Why does it only update twice a month?: US short interest is reported for settlement on the 15th and the last business day of each month, and FINRA publishes the consolidated figures about nine business days later. That cadence is set by regulation; no daily official figure exists.
Is this ARQL's short float?: No. This is short interest as a percentage of shares outstanding, the count in the company's SEC filings. "Short float" divides the same FINRA short count by the public float, which excludes closely held shares, so it comes out higher for the same company. We publish no float estimates: the float is not a regulatory figure.
What is ARQL's days to cover?: 2.20 days for settlement date 15 Jan 2020: FINRA's own short interest ratio, the reported shares short divided by average daily trading volume. It is published in the same FINRA file and shown verbatim; we hold no volume data ourselves.
Which funds are short?: US public short interest is aggregate-only: individual short sellers are not named. Only some EU markets publish named positions.